2 Meter Base Antenna

I would like to achieve 100 plus miles. Check out more 2 Meter Antenna items in Cellphones & Telecommunications, Communications Antennas, Toys & Hobbies, Lights & Lighting! And don't miss out on limited deals on 2 Meter Antenna!. 2-meter base-station antenna shown in Figure 1 has the omnidirectional gain of a J-pole, but it is more effi-cient. A combination angle bracket, u-bolt, hub plate and antenna stud is central to the assembly of the base antenna. Direct element joint structure with two interconnected FRP outer-shells. Power Rating: 400 Watts. I am replacong it all this weekend. The best actual Tx power I saw (using the SWR meter) was 60W with 10W reflected, SWR of somewhere between 2. I was thinking of either a ground plane (at 90 feet) or hanging an inverted V off the existing feedline (also at 90 feet) that's used for the 160 and 75 meter antennas (I currently have the 160 and 80 meter antennas on the same coaxial line). The Blade can also be used as a travel antenna, or even outdoors for short periods of time. The "Slingshot" Antenna for 2 Meters Re-edited by N4UJW from an original article by David Younker KA8OGD (callsign no longer active) 73 Magazine April 1989 While recently going thru some of my old ham radio magazines, I ran across this neet, inexpensive and easy to build antenna project for 2 meters. Double click on above image to view full picture. In response, I’ve received a flood of emails and photos from around the world, and many have wanted to know if the design can be scaled up to 6 meters. Solarcon A-99 10-11 meter Gain Antenna! $109. Firestik 2MCKB 4 Ft -122 Cm 2-Meter Base Antenna. Shortening the stub to move the maximum VSWR point higher in frequency is easy. This calculator will help you to calculate the different wavelength of antennas based on the frequency. No, it is not a halo - it is a folded skeleton-slot antenna. The best RF transmission system consists of matching impedence across all sections. (903) 483-5306. You can alwyas tune the antenna to its best SWR by sliding the top tube in or out. We compare design, practicality, price, features, engine, transmission, fuel consumption, driving, safety & ownership of both models and give you our expert verdict. Ruggedly. Compare Tall Ham Radio VHF NMO-base Antenna 3dB gain 136-17 mHz 2-meter band FMbroadcast prices and reviews at Searchub. This antenna does not need a ground plain but one can be added if you want to. 5/8wave BASE CB ANTENNA 24' We had 1 of this item in stock at the time of the last update. 828Kb (PDF file) Adobe Reader required. This antenna makes a thoughtful gift for the two-way radio enthusiast in your life. And yes i have set the RBI Attributes criteria Antenna 1 power setting to 30 db the max. NOTE: The radiating element of this antenna must be clear of nearby metal objects by at least inchey If side mounted on an use 6 foot side mount Top of antenna may requÑe: ulated supp ott at high (wind, ice) elevationy 1/2 INCH COPPER 1/2 INCH COPPER PIPE 3/4" > COPPER REDUCER INCH WOODEN SPACER]SUPPORT MADE FROM. Raise antenna and Figure-14: Raising Antenna Step-15: Connect feedline to antenna base. Solarcon IMAX 2000 Base Station Antenna 10-11 Meter Antenna **NO SHIP ITEM** $149. First, there is the connection at the base of the vertical element so electrons can flow into and out of the antenna. The "Slingshot" Antenna for 2 Meters Re-edited by N4UJW from an original article by David Younker KA8OGD (callsign no longer active) 73 Magazine April 1989 While recently going thru some of my old ham radio magazines, I ran across this neet, inexpensive and easy to build antenna project for 2 meters. 64 wave lengths. SpecificationTC-M40UV FIBERGLASS Antenna Band:UHF/VHFType:Fiberglass Antenna Frequency:136-174MHz / 400-470MHz Impedance:50 OhmPolarization:verticalConnector:SL16 FEMALEVSWR:less than 1. Alibaba offers 31 2 Meter Vertic Antenna Suppliers, and 2 Meter Vertic Antenna Manufacturers, Distributors, Factories, Companies. A 'J'-pole antenna has a unity gain factor. No damage at all, and it kept right on ticking. I use a Diamond X-300 2/70 antenna with the base at 45'. RCI69 BASE RADIO. Quick Overview. SKU: 2MXP32 M2 Antenna. This is because tall buildings and trees can interfere with signals that are lower to the ground. DUAL BAND 5/8 WAVE BASE STATION 2M/70cm ANTENNA AMATEUR BANDS Frequency VHF Band 144-148MHz 2. This assembly will mount to the top of any mast up to 1. MFJ-1890 10 Meter Moxon Antenna (Tested on 10 meters & 11 meters/CB Band) Recently I got my hands on MFJ's new 10 meter Moxon antenna. Newbie Tip Remember if the best SWR is at the low end of the band, the antenna is too long. Choose Tram for your next antenna installation project with this Amateur Dual-Band Base Antenna. They are pre-drilled and ready to use. 15 dBi Sirio Gain-Master Hi-Tech Fiberglass HW Half Wave 10m & CB Base Antenna $149. The "2M15" series, 2 meter amateur mobile antennas are little quarter wave wonders. 100 MHz, which just happened to both yield a length of 19. It was incredibly heavy and very quickly became a sagging and. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. I am replacong it all this weekend. And yes i have set the RBI Attributes criteria Antenna 1 power setting to 30 db the max. 2 Meter Moxon Beam antenna that covers 144 to 148 Mc. 5" (38mm) in diameter. Depending on the 2 meter and 70cm frequencies you choose for tuning your antenna, you might have to compromise a little. If the best SWR is at the high end of the band the antenna is too short. Repeater and Base Station Antennas Check out our selection of antennas for base stations or repeaters below. Reduce precipitation static and lower background noise with the Tram Amateur Dual-Band Antenna. 91 As low as: $59. This antenna does not need a ground plain but one can be added if you want to. Constructed of 1/2" and 3/8" hard drawn 6063-T832 aluminum tubing, 6061-T6 aluminum, UV resistant PVC, and stainless steel hardware. 10 product ratings 10 product ratings - Diamond CP22E VHF 144-148MHz 2 Meter Base / Repeater Antenna 6. Type “J-Pole” into any search engine and you will see dozens if not hundreds of plans to build your very own J-Pole antenna. Base threads are 3/8-24. Big 4 inch diameter oil impregnated cast Nylon base insulator for years of trouble free. The large diameter yields broadbanded coverage of the 80 Meter Band. We have over 32 years of experience designing and building antennas and systems to satisfy the ever expending communications needs. Harsh environments do not affect mechanical or signal integrity. Underused so you have the band to yourself many times with very good coverage in simplex with a base antenna at 65 feet. 5" (38mm) in diameter. 5/8 Wavelength antenna for base station working on 50-60 MHz tunable by means of the enclosed tuning diagram. That is about as high as most of us will ever deploy an antenna. November QST: Recycling TV Antennas for 2-Meter Use - Page 2. Gain: 2M: 4. The Blade can also be used as a travel antenna, or even outdoors for short periods of time. About Build a 2 Meter Vertical Antenna The resource is currently listed in dxzone. Like all collinear’s it is sensitive to near by objects. Suitable for CB 27/81; PR 27Gb & 10M Amateur. DUAL BAND VHF/UHF SO239 Amateur Car Mobile Radio Base Antenna + Mounting Bracket - $20. The Firestik 2-Meter antenna is an omni-directional antenna for the 144 to 148 MHz, 2 meter amateur band. Cushcraft Amateur Radio Antennas; Cushcraft Amateur Radio Antennas. Gain: 2M: 4. We have over 32 years of experience designing and building antennas and systems to satisfy the ever expending communications needs. The Antenna Farm : 2 Meter High Gain Antennas - VHF & UHF Mobile Radios Radio Accessories VHF & UHF Hand Held Radios Antennas Mobile Antenna Mounts SWR/Power Meters Adapters Coaxial Cable Two Way Accessories Antenna Accessories DC Power Supplies Coax Cable Accessories Connectors Aviation Radios Repeater Systems Towers & Accessories Duplexers Diplexers & Triplexers VHF & UHF Base Stations Base. Should you over- shoot, it is simple to start over again with a new piece of wire. The 2 meter beam can be made very portable by removing the 2 18" boom sections or use your own method to disassemble the antenna. 1 inch by 1 inch square stock was used for the boom, and 3/4 inch by 1 inch wooden strips were used for the element spreaders. Cushcraft A-3S TRI-BAND HF BEAM ANTENNA. 1 That antenna presented dual-band reso-nance, operating well at 2 meters but with. The SWR is 1. The 'Excalibur' is a very small home base antenna which is ideal to use if a longer antenna cannot be used. 440 WB8ERJ. The best actual Tx power I saw (using the SWR meter) was 60W with 10W reflected, SWR of somewhere between 2. But my old CB base antenna I had is long gone and I had always wanted to see how a vertical dipole antenna would work. 5 or 10 element versions up to 13 dBd gain on 70cm. Sirio Antenne (PN 2104801. 5 MHz at less than 2:1 VSWR, providing coverage of CAP frequencies too. DBJ-1 Dual Band VHF/UHF 2 meter/70cm ham base. Be prepared and able to communicate in case of emergency with the largest selection at eBay. Using the example above, you need a 14. A simpler approach to the wooden base is one built out of PVC tubing. DX Engineering offers a full line of mobile antennas as well as compact Comet HF vertical antennas, HF beam antennas, VHF/UHF base antennas, handheld and scanner antennas, and more!. 7:1 or less throughout the entire 2 meter band, so no narrow bandwidth here. TRI BAND 2 METER / 220 / 440 flexible base loaded telescopic antenna is the standard for field use whether in the countryside or city. Optional: Build a Balun and buy or build an antenna tuner. Gain: 2M: 4. 5 inches square with a wind area of just 0. 95 Tunable 87-108 MHz 1/4 wave Ground Plane base antenna. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works. 00 10 - 12 Meter 5/8 wave 5. can build a less visible antenna with better performance than a J-pole. This antenna can be rolled up and used for portable operating or placed inside a fibreglass rod or length of hose and put on a roof. Reduce precipitation static and lower background noise with the Tram Amateur Dual-Band Antenna. For many years amateur radio operators have raved about 2-meter mobile antenna (Model 2M-4) because of its outstanding performance. If you want a terrifically performing dual band antenna for 2 meters and 70 centimeters, give my Mighty Woof a try! I've made contacts up to 30 miles away with a 5 watt HT using it. This Horse Fence antenna is the Best money I ever spent in Ham Radio gear in over 40 years as a Ham! If you want the very best antenna money can buy in this type of antenna, this is the one for you!. Expect a range of about 4 miles if mounted outside and possibly about 2 miles in the loft. Comet Antennas. This is a great antenna for people who live in apartments or condos. Firestik 2MCKB. Features: Frequency Range: 25 - 31 MHz. This high performance heavy duty 6 meter antenna was specifically designed to handle the demanding requirements for repeater use. The assembly manual's description describes the Diamond CP22E antenna best… "The CP22E is a 2-meter monoband, 2-5/8 wavelength groundplane antenna, optimized for the U. Original “Slim Jim” Antenna Article. Portune, W6NBC from the October 2009 QST Yet another John Portune article - this one on a homemade VHF antenna that is equally good on satellites as on mobiles. Heavy duty base for exceptional strength and power handling. This antenna is built using a 2 X 2-in wooden boom and elements made of either brass or copper rod. Shop VHF/UHF Base Vertical Antennas and get Free Standard Shipping on orders over $99 at DX Engineering! JavaScript Disabled. The highly-rated antennas for CB base stations we have outlined in this guide will help you boost your transmission range and enjoy super-clear signals when talking to. Comet GP-3 Dual-Band VHF/UHF Base Vertical Antennas provide very good gain on the 2-meter and (14) Loading $104. 5/8 Wave 2 Meter (144-148MHz) base antenna (NOT A CB ANTENNA). Includes all stainless steel hardware. This link is listed in our web site directory since Saturday Feb 13 2010, and till today "Build a 2 Meter Vertical Antenna" has been followed for a total of 2940 times. The 'Excalibur' is a very small home base antenna which is ideal to use if a longer antenna cannot be used. A model isotropic antenna is also a common reference point, designated by dBi ('i' for isotropic). BROADBAND VHF/UHF ANTENNA. Display: List / Grid. The antenna’s low cost is made possible by modifying a RadioShack FM broadcast receiving antenna (RS 15-2163). Having both 2 Meter and 70 cm Bands in a compact, two foot long package, without having to bother with a duplexer is just a real lifesaver to most operating. Reduce precipitation static and lower background noise with the Tram Amateur Dual-Band Antenna. Second, there is the requirement for a large area under the vertical radiator that will hold the electro-magnetic field down near the earth. This antenna meets the demands set by ARES/RACES group for ruggedness, easy deployment, and performance. 5 dB • Type: Base vertical • Max power: 200 W • Impedance: 50 ohms, SO-. Have you thought about putting up a yagi?? A vertical yagi would be fine. Stacked for base or portable use, t welve foot spacing is optimum. Mon 30th Jun 2008, 06:22 Antenna Tuner for 2 meter 70 cm? Or just a good SWR meter. Vertical collinear antennas for the 2 meter or 440 (70cm) band. Heavy duty magnetic base is ideal for use with all types of antennas with NMO mounting requirements. Slim Jim 2M Antenna – SV5BYR. It provides OMNI directional 6 to 9 db gain and is usable in 2 positions. It requires no radials, is. 2 Meter 3 Element Tape Measure Yagi Antenna. This antenna is only 20 inches tall. Thus if we were building a 2 element we would need to match 50 Ohms (coax) to 100 Ohms (antenna), and this is a 2:1 ratio. The four base radials then should be bent downward to a 45 degree angle. 5 (38mm) in diameter. It's actually pre-tuned to the desired frequency range. can build a less visible antenna with better performance than a J-pole. Gizmotchy G241 2 Meter $ 169. A model isotropic antenna is also a common reference point, designated by dBi ('i' for isotropic). The kit comes with four (4) structural aluminum (6061) radials that measure 1/8"x1/2"x20" (3mm x 13mm x 51cm). This will provide a net gain over the antenna in free-space. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. 2 meter FM; 2 Meter Full Wave Loop-The Magic Wand Antenna. It was a homebrew affair, built during the remarkable solar peak of the late 1950s. Underused so you have the band to yourself many times with very good coverage in simplex with a base antenna at 65 feet. DUAL BAND BASE STATION 2 METER / 440 MHz ANTENNA AMATEUR BANDS - $45. After a very strong, but short storm, I was able to install my new ground plane 2 meter 5/8 wave, fire stick antenna. The average HF Antenna uses elements that resonate on one primary frequency, and then at its multiples. permits the antenna to achieve high performance, high power rat-ing low vswr, and broader band coverage on both 2m and 70cm bands. 00 Jetstream JT776SMA 2m/220/70cm Tri-Band Antenna $24. ost commercial 2-meter repeater antennas with gain fall into two categories: collinear arrays and stacked element arrays, with gains ranging from 3 to 9 dB1. 44" for improved reception. DBJ-1 Dual Band VHF/UHF 2 meter/70cm ham base. Resources listed under Antenna for 2 meters category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. All mounting and assembly hardware is included. Base Antenna 2 Meter Dual Polarized Yagi Antenna. Ground Plane Antenna You Can Build The Ground Plane vertical omni directional antenna is very easy to build with just some #12 solid copper electrical wire and a UG58 type N chassis jack. Learn More. Search by specification. Equipment The required equipment for getting started on 2M SSB is pretty basic - a transceiver capable of 2M SSB and a 2M antenna. Type “J-Pole” into any search engine and you will see dozens if not hundreds of plans to build your very own J-Pole antenna. This meter reads RMS output and does not show accurate peak power. The Ham Radio Starter Kit Mobile/Base Station Edition is a great training package for an amateur radio club Technician License class or instructional program. I was able to do this with a Baofeng HT, and amplifier, and ammo can, and some other hardware. The antenna base threads are 3/8"-24. I was looking to have a 2 meter base station in one place using only what I had. The antenna comes in two flavors, Ham and Commercial. Includes a construction plan in pdf format if you wish to build your own antenna. A model isotropic antenna is also a common reference point, designated by dBi ('i' for isotropic). The assembly manual's description describes the Diamond CP22E antenna best… "The CP22E is a 2-meter monoband, 2-5/8 wavelength groundplane antenna, optimized for the U. The resulting antenna has the same strength as a one piece structure. 2 dB gain with an optimum low-angle radiation pattern. Cushcraft A148-20T 2 Meter Cross-Yagi. Either will work. Diamond A144S10 High Gain 144-148 MHz 2 Meter Amateur Ham Radio Base Antenna. The F/B is relative power from the front to the back of the antenna measured from a fixed distance. This is why a lot of the 50,000 watt clear channel radio stations use 1/2 wave and even 5/8 wave antennas. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. 14 dB over an isotropic source. Solarcon IMAX 2000 Base Station Antenna 10-11 Meter Antenna **NO SHIP ITEM** $149. The antenna base threads are 3/8"-24. Cushcraft A148-10S 2 Meter Yagi 10 Element. One or more Power Boosters can be added to your existing beam. If SWR on 148 MHz is more than 144 MHz, your will need to trim your antenna. 5 dB gain over a 1/2 wave dipole. 14094 ~ Email: [email protected] What's best for a good strong receiving, transmitting 2 meter base station, currently using a 1/4 wave mag mount on a flat pancake shaped air vent on top of the house, I hav a 2 meter dipole, jus haven't put it up yet. SO-239 (UHF Female) connector; 1/2 Wave over Quarter Wave Design. 2 to 1 across the entire 2 meter band. 0dBi 1/2 wave 440MHz: 6. 100 MHz, which just happened to both yield a length of 19. ost commercial 2-meter repeater antennas with gain fall into two categories:. A new tronics company, antenna maker, HF vertical antennas, vhf antennas, cb antennas KB9VBR J-Pole Antennas All copper J-Pole antennas for sale. The antenna base threads are 3/8"-24. This is because tall buildings and trees can interfere with signals that are lower to the ground. 5" length, a bit longer eg 7" is OK if you have a SWR meter and want to cut it to tune it-You Will Also need-Normal SO-239 4 holes chassis mount connector-Solder & Soldering Iron-6 X Electrical Eyelets-4 sets of screws, nuts and washers-2 X 6. 8) Radio Shack 800 MHz Scanner Antenna: 15: 2016-08-13: 19. With a base diameter of 1-3/4 inches and nearly 1/8 thick high grade 6061 magnesium alloy aluminum tubing. 00) - "827" - Hi-Tech Omni-Directional Aluminium Alloy 10 m to 11 m Base Antenna, 1000 Watts, 5/8 Wave Linear Vertical Polarization, 26. 5" (38mm) in diameter. 2020's new deals! Shop our best value 2 Meter Antenna on AliExpress. Solarcon A-99 10-11 meter Gain Antenna! $109. com, mainly located in Asia. This Wilson antenna is also Weather Channel ready. The 40 meter 2:1 SWR bandwidth effectively covers the entire band. EXCALIBUR Home Base CB Antenna. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. The television includes one USB port, which supports AV file format for photos, videos, and music from USB storage devices like flash drives or some external hard drives. This 1/2 wave antenna is light weight flexible and meets all the typical performance characteristics of the standard half wave monopole antenna. 060 MHz and 442. com, mainly located in Asia. It’s what some call a “Nested Marconi” antenna. 2 Meter WB8ERJ. Cebik web site - requires registration (free) Commercial 2M 70cm Slim Jim - N9TAX. The Blade can also be used as a travel antenna, or even outdoors for short periods of time. The original sleeved dipole project idea is from Harold Melton KV5R. A dipole has a gain of 2. Base Antenna HF (20,15,10 Meters) Tri-Band Base Vertical Antenna. The kit comes with four (4) structural aluminum (6061) radials that measure 1/8"x1/2"x20" (3mm x 13mm x 51cm). 2 to 1 across the entire 2 meter band. Tri Band Antenna 6 Meter 3. Made from heavy 1/8th wall aluminum tubing. 4-meter to 18-meter in diameter, radar antennas for air traffic control and weather. Firestik HPAL. Tram 1480 Dual Band Base Antenna 2 Meters 70 CM. SKU: G21 Category: Gizmotchy. It has worked really well, so far. A Quick and Simple 2 Meter Ground Plane Project! If you are just getting experience in building antennas or you are an old pro, here is a simple and fun project! This antenna is perfect for those hams living in the primary coverage area of the repeater for 2 meter use. The first item on the list is a 10 m Mobile antenna, or more specifically 2 of them. The entire package tips the scales at about 4 pounds (2 kilograms). The higher the antenna is placed, the better. Either will work. Unfortunately, TCL only includes an over-the-air tuner for ATSC 1. Add To Cart. This is a real flagpole multiband vertical. Multi-band base station antennas often have multiple antennas inside a single radome - in this case each antenna has a separate port, which can be connected to different base stations or to different sections of a single base station. RDA698/2700SSM: 3G/4G/LTE DiPole Antenna for Sierra Wireless AirLink & Cradlepoint IBR Series; G44WW-17SSSRR: Black 5-in-1 Vehicular Antenna for Cradlepoint IBR900 IBR1100 & Sierra Wireless GX450; G44WW-17SSSRR-WHT: White 5-in-1 Roof Mount Antenna for Transit Bus, Utility Vehicles, Police Vehicles. Tram(r) 1477-B Pre-Tuned 144mhz-148mhz Vhf/430mhz-460mhz Uhf Amateur Dual-Band Base Antenna (Black Fiberglass), 44. 2-in-1: GPS+3G/4G/LTE. A 1 1/2 inch TV antenna type "U-bolt" is used to mount the boom to the supporting vertical mast. to hide an efficient 2 meter base-station antenna in a TV satellite dish. Ideally you should try to use no less than 2. NOTE: The radiating element of this antenna must be clear of nearby metal objects by at least inchey If side mounted on an use 6 foot side mount Top of antenna may requÑe: ulated supp ott at high (wind, ice) elevationy 1/2 INCH COPPER 1/2 INCH COPPER PIPE 3/4" > COPPER REDUCER INCH WOODEN SPACER]SUPPORT MADE FROM. (903) 483-5306. 1-16 of 502 results for Bluetooth: "wifi antenna" Bluetooth: "wifi antenna". It works just fine without flashing over at power levels up to 120 watts or so: I use the antenna with a barefoot Drake TR-7 and a Yaesu FT-747. Tram 1480 Dual Band Base Antenna 2 Meters 70 CM. , 2-section antenna features a heavy-duty fiberglass base station, an insulated conductor, a 144-148 MHz /440-450 MHz frequency range, 6 dBd gain VHF/8 dBd gain UHF, and a power capacity of 200-Watt. Base threads are also: new in package CB or 2 METER radio antenna single groove mirror mount with so239 stud 3/8 x 24 thread 4 bolt, groove, aluminum accepts antennas with standard cables pl-259 connector used Johnson white face five channel mike ac cord is sold as untested powers up. Compare FireStik 2m-4 Bk 4' Black 2 Meter Fiberglass Antenna prices and reviews at Searchub. BRC HP-2000 VHF/UHF/6M (50/146/440 Mhz) Tri-Band Base Antenna This is the perfect antenna for operation on 6 meter, 2 meter, and 70cm bands. Base Antennas JTV680 6-80 Meter HF Vertical: JTV10 10 Meter Vertical: JTG5RVJR 10-40 Meter G5RV Type Antenna: JTG5RV 10-80 Meter G5RV Type Antenna: JTG5RVSOLID 10-80 Meter G5RV Type Antenna Solid Ladderline: JTG5RVSR 10-160 Meter G5RV Type Antenna: JT144 2m Vertical: JT1442 2m Vertical: JTB1B 2m/70cm Dual Band Vertical: JTB2B 2m/70cm Dual Band. 2:1 with SWR no higher than 1. antenna has 2 frequency ranges: 144MHz to 148MHz and 430MHz to 450MHz. The average HF Antenna uses elements that resonate on one primary frequency, and then at its multiples. It requires no radials, is. 1 out of 5 stars 16 $59. Antenna projects for 144 MHz category is a curation of 148 web resources on , The Tiny 3, Magnetic Loop for the 2m band, Feed line Dipole for 2 Meters. 5:1 across the entire 2 meter band. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. - saw a piece of that hard insulating material of your choice and fit it 10 cm in the antenna and boom part and leave a gap of 3 mm between them. 6dBi 5/8 wave design. The Antenna Farm : 2 Meter High Gain Antennas - VHF & UHF Mobile Radios Radio Accessories VHF & UHF Hand Held Radios Antennas Mobile Antenna Mounts SWR/Power Meters Adapters Coaxial Cable Two Way Accessories Antenna Accessories DC Power Supplies Coax Cable Accessories Connectors Aviation Radios Repeater Systems Towers & Accessories Duplexers Diplexers & Triplexers VHF & UHF Base Stations Base. This is why a lot of the 50,000 watt clear channel radio stations use 1/2 wave and even 5/8 wave antennas. For weak signal work (SSB and CW), I use a home built 2 meter Moxon antenna. J Pole Antenna 6 Meter - 16 ft RG58 coax - PL259 connector & 150 Watts PEP. 219 foot jumper from the radio to the SWR meter, and a 1/2-wave multiple length from the SWR meter to the antenna. Tunable Tip Mach 10 - 10 Meter - Antenna 3 or 4 ft. And, it has the MACO 2 KW Power handling capability. The antenna base threads are 3/8"-24. 88 57 PCS IN STOCK. is a blend of technical expertise and common sense approach to accommodating your needs. I am curious if anyone could make some recommendations on a basic, no frills base station. This antenna is vertically polarized by feeding the top and bottom loops in parallel (see Figure 1 ). 2 Meter Moxon Beam antenna that covers 144 to 148 Mc. KMA Antennas. Super Stick II 2 Meter : SUPER STICK II 5/8 wave, flexible base loaded telescopic antenna is the standard for field use whether in the countryside or city. The 'Excalibur' is a very small home base antenna which is ideal to use if a longer antenna cannot be used. This is a buying guide made with you in mind. com in a single category. Made from heavy-duty aluminum, the CP22E is easily assembled, yielding excellent performance with 6. Base CB Antennas. This design was also discussed by KD6GLF in QST. Firestik 2MCKB 4 Ft -122 Cm 2-Meter Base Antenna Shopping. The Alliance U-100 rotator that turned it was nearly asold and erratic. Raise antenna and Figure-14: Raising Antenna Step-15: Connect feedline to antenna base. DualBand 2M/440MHz base antenna, the smallest dualband base antenna Comet makes. everything RF has created the largest database of searchable Base Station Antennas. Overall it works. Assembling an effective indoor antenna for the HF bands can be frustrating. Qty: - OR - Add to Wish List Add to Compare 0 reviews | Write a review. Reviews of top brands of HF, all band ham radio base stations. Add To Cart. After the antenna is properly tuned, trim the antenna dowel assembly to about 7 feet. Adjustable for minimum SWR at your favorite operation frequency. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. Tram 1480 Dual Band Base Antenna 2 Meters 70 CM. Portune, W6NBC from the October 2009 QST Yet another John Portune article - this one on a homemade VHF antenna that is equally good on satellites as on mobiles. You have to realize that antenna manufactures claim ridiculous gain figures, just to sell antennas, without telling you what they are comparing those gain figures to. Optional: Build a Balun and buy or build an antenna tuner. Expect a range of about 4 miles if mounted outside and possibly about 2 miles in the loft. Compare 2 METER BASE ANTENNA, 6db, 200 WATTS, TUNEABLE, OMNI-DIERCTIONAL-WORKMAN BS-150 prices and reviews at Searchub. A dipole has a gain of 2. 14 dB over an isotropic source. Browse more videos. FIRESTIK Personal Electronics, Phone & Accessories. This tower is series-fed (insulated base) against a ground system of about one-hundred 200-ft or longer radials. After all, if MFJ could do it, so could I. 5:1 or less Max Power: 200 watts SSB/100W FM Length: 4′ 2″ Weight: 2 lbs. NEW DESIGN YIELDS VERY HIGH GAIN ON 2 METERS OR THE 440 (70CM) BANDS "Built by a ham for hams" INTRODUCTION. NOTE: The radiating element of this antenna must be clear of nearby metal objects by at least inchey If side mounted on an use 6 foot side mount Top of antenna may requÑe: ulated supp ott at high (wind, ice) elevationy 1/2 INCH COPPER 1/2 INCH COPPER PIPE 3/4" > COPPER REDUCER INCH WOODEN SPACER]SUPPORT MADE FROM. Tunable Tip Mach 10 - 10 Meter - Antenna 3 or 4 ft. DualBand 2M/440MHz base antenna Small profile, good gain, excellent construction…our best selling dual-band base antenna. AUTHENTIC KB9VBR 2 Meter VHF SLIM JIM amateur ham radio J-Pole base antenna - $44. my vertical was taller though. It is a buying guide created with a uniquely designed set of algorithms, to enable us to provide you with a list of the top 10 Best 2 Meter Base Antenna that are currently available in the marketplace. We carry leading brands such as Diamond, Wilson, Firestik and more. The BTECH Mini ham radio base station measures 10. 4 for those who are not familiar with the metric system. Place the 2-meter antenna next to an exterior wall for a better reception of outside signals. On the drawing with this article you will note the fabrication technique used for the wooden constructed antenna. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier. BRC HP-2000 VHF/UHF/6M (50/146/440 Mhz) Tri-Band Base Antenna This is the perfect antenna for operation on 6 meter, 2 meter, and 70cm bands. , Limited on Alibaba. The drop off on the horizon is only a dB or so and insignificant. This is a great antenna for people who live in apartments or condos. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. Cushcraft A148-10S 2 Meter Yagi 10 Element. This antenna offers the widest frequency coverage over any dual-band VHF-UHF antenna on the market and includes a black anodized finish with a popular NMO mount. Original "Slim Jim" Antenna Article. *2 Meter Base Combination Antenna* Cleaning up the Antenna Farm By: gm3 13 December 2002. Tram(r) 1477-B Pre-Tuned 144mhz-148mhz Vhf/430mhz-460mhz Uhf Amateur Dual-Band Base Antenna (Black Fiberglass), 44. A new tronics company, antenna maker, HF vertical antennas, vhf antennas, cb antennas KB9VBR J-Pole Antennas All copper J-Pole antennas for sale. i home-brewed a GP using a maco type tuning ring. Amateur Radio 2 Meter Slim Jim J-Pole Antenna The Slim Jim Antenna is an end-fed folded dipole antenna that has a gain of 6 dbi and a nice low RF take off angle. It has worked really well, so far. 00 : MACO 2400 Wattmeter 20-200-2000-4000 watt scales. A 2-Meter Vertical Dipole Array, KG4JJH Page 1 of 6 A 2-Meter Vertical Dipole Array Build this 2 or 4-Element VHF repeater antenna with up to 9. The higher the antenna is placed, the better. Quick Overview. 5" (38mm) in diameter. If you want the best flagpole on the market today this is it. 25 Non-tunable 87-108 MHz Ground Plane base antenna. com, mainly located in Asia. 3 ELEMENTS YAGI Antenna For The 2 Meter Band - EUR 49,49. The kit comes with four (4) structural aluminum (6061) radials that measure 1/8"x1/2"x20" (3mm x 13mm x 51cm). 95 MFJ-1622, Apartment Antenna, HF, 40 Meters Through 2 Meters $119. NMO Ham CB Radio Antenna Magnetic Mount Base 2. This is a great antenna for people who live in apartments or condos. Categories Menu VHF Mobile Radios VHF Hand Held Radios Dual Band Mobile Radios UHF Mobile Radios UHF Hand Held Radios VHF Mobile Antennas UHF Mobile Antennas Dual Band Mobile Antennas VHF Base Antennas UHF Base Antennas Dual Band Base Antennas CB & Scanner Antennas Radio Accessories Coaxial Cables Mobile Antenna. Stainless steel hardware. This tower is series-fed (insulated base) against a ground system of about one-hundred 200-ft or longer radials. Henredon Burl Wood Lighted Bar Display Cabinet Wall Unit Milo Baughman Scene 2 $6,900. You also have the option to narrow your search by antenna type, connector or mount. This tower supports ropes for 80-meter antennas, and very long ropes that support four 1/4 wave tall vertical elements for a 160-meter four square. This is 6 dB gain of directivity over a dipole and 8. Equipment The required equipment for getting started on 2M SSB is pretty basic - a transceiver capable of 2M SSB and a 2M antenna. The antenna base threads are 3/8"-24. SKU: AV-12AVQ Hy-Gain. 95 Trending price is based on prices over last 90 days. I am replacong it all this weekend. These insulators are made from fiberglass filled epoxy. It is important to remember that if your base station radio does not have a built-in SWR meter, you will need a SWR meter to calibrate and tune your base station. The top of the antenna is only 13' high and my SWR is 1. He is credited with original article in QST magazine. Quick Overview. Find many options of HF, mobile, and base antennas at Walcott Radio. 5 inches and weighs 2. 5" radials for quick and easy installation. 6 Meter Yagi: Instruction Sheets: 440-5S: Contact Us: Order Form- for mail-in orders. 6 Element/ 11 Meter Base Antenna "Maximum Beam", Boom Length: 31' Adjustable Ga. The large diameter yields broadbanded coverage of the 80 Meter Band. The entire package tips the scales at about 4 pounds (2 kilograms). This assembly will mount to the top of any mast up to 1. SUPER STICK II 5/8 wave, flexible base loaded telescopic antenna is the standard for field use whether in the countryside or city. This is a buying guide made with you in mind. Radio Base Station Antennas. Add To Cart. SKU: 2M9SSB/FM M2 Antenna. Great deals on 2 Meter Base Antenna. KMA Antennas. 95 Tunable 87-108 MHz 1/4 wave Ground Plane base antenna. 1 inch by 1 inch square stock was used for the boom, and 3/4 inch by 1 inch wooden strips were used for the element spreaders. Lightning Protection: Direct Ground 2 Meter 2 METER VHF ANTENNA. For maximum power transmission, 50 Ohm coax cables are used to match the RF PA's output impedence. VHF Antennas; VHF/UHF Dual-Band; 900MHz (ISM) Hand-Held Antennas; No Holes Mobile Mount. 8) Radio Shack 800 MHz Scanner Antenna: 15: 2016-08-13: 19. The Antenna Farm : 2 Meter High Gain Antennas - VHF & UHF Mobile Radios Radio Accessories VHF & UHF Hand Held Radios Antennas Mobile Antenna Mounts SWR/Power Meters Adapters Coaxial Cable Two Way Accessories Antenna Accessories DC Power Supplies Coax Cable Accessories Connectors Aviation Radios Repeater Systems Towers & Accessories Duplexers Diplexers & Triplexers VHF & UHF Base Stations Base. Cushcraft A148-3S 2 Meter 3 Element Yagi. Key down glory can be yours! N O W Fully tested and resonant in 2 meter area. But if you look outside the box, you'll find plenty of other important stuff - including an antenna, solar panel, landing legs and two rotors measuring 4 feet (1. 7 dBi gain and 18° Vertical Beamwidth. 5 dB gain over a 1/2 wave dipole. Add To Cart. Fast & Free shipping on many items!. A combination angle bracket, u-bolt, hub plate and antenna stud is central to the assembly of the base antenna. That's because gain is figured by comparing to a 1/2 wave antenna. Compare Tall Ham Radio VHF NMO-base Antenna 3dB gain 136-17 mHz 2-meter band FMbroadcast prices and reviews at Searchub. 2m Projects - Omnidirectional Antennas "Bottle" Antenna for 145 MHz by RA1TW VHF incognito! Here's a 2 meter antenna your neighbors won't recognize. Here are some 2 meter antenna options for you! You will find fiberglass 2 meter antennas, magnetic mount 2 meter antennas, trunk mount 2 meter antennas, base station 2 meter antennas, and more. The Slim is an end-fed folded dipole antenna that has a gain of 6 dbi and a nice low RF take off angle. DUAL BAND BASE STATION 2 METER / 440 MHz ANTENNA AMATEUR BANDS - $45. 5:1 or less SWR: 144-148/440-450MHz 2:1 or less SWR: 140-160/435-465MHz. Base Antenna HF (20,15,10 Meters) Tri-Band Base Vertical Antenna. Out of stock. There's also a Commercial/MURS/GMRS version tuned for 152-157 MHz and 460-470 MHz. 73's VY1JON , Jan 10, 2007. 1kg, This model is made of aluminium and is supplie. Cushcraft A-3S TRI-BAND HF BEAM ANTENNA. If you have any questions about which accessory is compatible with your radio please call, email, or use our live chat button for assistance!. Many are variations on the tried and true 1/2 wave design with the 1/4 wave stub at the bottom. Sirio BULL TRUCKER ANTENNA. October 23, 2019 - by Arfan - Leave a Comment. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. The G7FEK 10-80m Garden Antenna. The higher the antenna is placed, the better. can build a less visible antenna with better performance than a J-pole. 000 Mhz to 29. 52Mhz is about 2. Add To Cart. Measurements and simulation confirm the quarter-wave stub modifies the circular H-plane pattern shape increasing the gain slightly on the side of the J stub element and reducing the gain slightly on the side opposite the J stub element. It has worked really well, so far. Homemade vertical dipole for HAM 2 meter and 70 cm bands. The antenna i have installed is 7. 2 meter smc quick-deploy SKU/PART#: CHA-12F-SMC2 Challenger’s rugged Quick-Deploy antenna mounts have been used for military and satellite news gathering (SNG) applications across the globe for over a decade. NEW DESIGN YIELDS VERY HIGH GAIN ON 2 METERS OR THE 440 (70CM) BANDS "Built by a ham for hams" INTRODUCTION. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. CP22E High-Gain Monoband Antenna The CP22E is a high-gain monoband antenna made from heavy-duty aluminum construction, at a price your pocket book will like! Rated at 6. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. Ham Radio - Base & Mobile Antennas DPD Productions offers three models for the ham bands, shown below, including 2 Meter and 440 UHF, in both base and mobile versions. 8 out of 5 stars 33. A 160 meter dipole at that height is only one-eighth wavelength above the ground. After a very strong, but short storm, I was able to install my new ground plane 2 meter 5/8 wave, fire stick antenna. Base Antennas JTV680 6-80 Meter HF Vertical: JTV10 10 Meter Vertical: JTG5RVJR 10-40 Meter G5RV Type Antenna: JTG5RV 10-80 Meter G5RV Type Antenna: JTG5RVSOLID 10-80 Meter G5RV Type Antenna Solid Ladderline: JTG5RVSR 10-160 Meter G5RV Type Antenna: JT144 2m Vertical: JT1442 2m Vertical: JTB1B 2m/70cm Dual Band Vertical: JTB2B 2m/70cm Dual Band. Home Radios SHOP BY TYPE. 5dBi Gain - $79. The television includes one USB port, which supports AV file format for photos, videos, and music from USB storage devices like flash drives or some external hard drives. CB I'm headed home! No EME on CB, No satellites on CB, No ATV on CB, No 17 Element beams (okay maybe there is but who has the room for that) on CB, No. We have over 32 years of experience designing and building antennas and systems to satisfy the ever expending communications needs. The assembly manual's description describes the Diamond CP22E antenna best… "The CP22E is a 2-meter monoband, 2-5/8 wavelength groundplane antenna, optimized for the U. Stacked for base or portable use, t welve foot spacing is optimum. It’s what some call a “Nested Marconi” antenna. 1/4 wave ground plane; complete with 4 x 60"(1. 6-Meter Antenna Products 6m Vertical Antennas V6-1: Quarter-Wave - $69. FIRESTIK Personal Electronics, Phone & Accessories. Remember to keep the antenna away from metal objects when checking SWR. "I got my 2 meter outdoor base antenna installed exactly one week ago, and I'm getting outstanding performance hitting repeaters over 75 miles away with clarity in mountainous terrain. Quantum QT-6A VHF/UHF Dual Band Base Antenna: 2: 2011-05-02: 79. The "Slingshot" Antenna for 2 Meters Re-edited by N4UJW from an original article by David Younker KA8OGD (callsign no longer active) 73 Magazine April 1989 While recently going thru some of my old ham radio magazines, I ran across this neet, inexpensive and easy to build antenna project for 2 meters. As a vertical monopole antenna is half the length of a dipole, this equates to about a five eighths wavelength vertical monopole antenna. 20 (5) Radio Shack 2-meter 5/8´s magmount antenna, 18: 2020-06-21: 49. Diamond Antenna X30A Dual-Band Base/Repeater Antennas work well in areas where height or ant. These will also work, but will require playing with the inductor a bit to get the antenna to “tune” on 6 meters, and radiate instead of being a dummy load. The ¼ Wave Droopy Ground Plane 2 Meter Ham Radio Antenna Robert Richardson Emergency Communication , Ham Radio 39 In the past we've talked about the many benefits of Ham Radio , and how every good survival plan should include some type of emergency communications equipment. 5:1 or less VSWR. The higher the antenna is placed, the better. Ham Radio - Base & Mobile Antennas DPD Productions offers three models for the ham bands, shown below, including 2 Meter and 440 UHF, in both base and mobile versions. Weight – 6 lbs. The Alliance U-100 rotator that turned it was nearly asold and erratic. But I'm getting ready (saving up) to get a 10 meter ham radio and will be needing a base antenna for it. ost commercial 2-meter repeater antennas with gain fall into two categories: collinear arrays and stacked element arrays, with gains ranging from 3 to 9 dB1. Mon 30th Jun 2008, 06:22 Antenna Tuner for 2 meter 70 cm? Or just a good SWR meter. MR-73SJ Magnetic base type 2m/70cm antenna package has --/3. 0 dBi gain, By N6CA. We offer a huge selection of Yagi antennas, including cross-polarized and circularly polarized, from top brands like M2 Antennas, Cushcraft, MFJ, and Diamond Antenna. The Firestik 2-Meter antenna is an omni-directional antenna for the 144 to 148 MHz, 2 meter amateur band. Reviewed by Bob Allison, WB1GCMAssistant Laboratory [email protected] When trimming an antenna for tuning you should trim less than the calculated difference to be on the safe side. 8) Radio Shack 800 MHz Scanner Antenna: 15: 2016-08-13: 19. The Icom AH8000 is a multi-purpose discone antenna that receives solid from 100 to 3300 MHz! It can also be used for transmit on 144, 430, 1200 and 2400 MHz ham bands (under 200 watts). Since it already has a very low angle of radiation, why not adapt it for "base station use" for regular 2 meter land based communications. Mounting Mast Dia: 1. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. , Limited on Alibaba. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier. Slim Jim 2M Antenna - SV5BYR. i made mine out of 1 inch x 1/8 inch thick aluminum strip from lowes. Also, if it’s an odd-quarter-wave long (like ~60 feet on 80 meters), the very high impedance on the antenna end will give you a very low impedance at the radio end (and T-match tuners are very lossy at low impedance). Once you know, you Newegg!. 2-meter base-station antenna shown in Figure 1 has the omnidirectional gain of a J-pole, but it is more effi-cient. In response, I’ve received a flood of emails and photos from around the world, and many have wanted to know if the design can be scaled up to 6 meters. 2 db of forward gain. End caps are used to enclose the pvc ends. The bottom of the antenna either has a RF connector or a "pigtail" coming out, terminated with the connector. Assembles and disassembles quickly. The Moxon design is a directional, horizontally polarized antenna that provides between 6db -9db of gain. 95 MFJ-1622, Apartment Antenna, HF, 40 Meters Through 2 Meters $119. Comet Antennas. The Maxrad MHB5800 is Lowband/VHF antenna solution that operates in the 2 meter amateur band as well as many professional and government VHF bands across the 144-174 MHz frequencies. 2 GHz band, DX Engineering has a VHF/UHF beam antenna that can deliver the clean, clear signal you demand. 00 Your Price: $59. Source from Quanzhou KST Electronics Co. Channel Master is a leader in over-the-air broadcast entertainment products & solutions, providing the highest quality and value for consumers since 1949. DUAL BAND 5/8 WAVE BASE STATION 2M/70cm ANTENNA AMATEUR BANDS Frequency VHF Band 144-148MHz 2. Ruggedly constructed one piece design, this J-Pole antenna will last practically forever. 95 Trending price is based on prices over last 90 days. Price: $139. This lightweight antenna is perfect to use for fox hunts or as a portable directional antenna for public service events. Here is a Tri-Band 6/2/440 Collinear antenna that if built properly, using the materials suggested by the author, should give you years of service. The first item on the list is a 10 m Mobile antenna, or more specifically 2 of them. 88 57 PCS IN STOCK. A 1 1/2 inch TV antenna type "U-bolt" is used to mount the boom to the supporting vertical mast. The kit comes with four (4) structural aluminum (6061) radials that measure 1/8"x1/2"x20" (3mm x 13mm x 51cm). Building the J-Pole antenna (PVC covered) KA1FSB. Simple antenna installation for my 2 meter garage radio using a magnetic mobile mount antenna. Refer to the cutting chart/length adjustment chart that comes with the antenna. That 1/4 wave is shorter than 1/2 wave so has a negative gain, the 'J'-pole IS a 1/2 wave antenna. CB I'm headed home! No EME on CB, No satellites on CB, No ATV on CB, No 17 Element beams (okay maybe there is but who has the room for that) on CB, No. Outdoor Heavy Duty 1/2 Wave dipole w/o balun transformer. 64 wave (red line) antenna at a height of one wavelength. You can build a lightweight base for your antenna out of 1 inch Schedule 40 PVC and a few t-connectors. This is known as a Extended Double Zepp (EDZ). A collinear antenna is several antennas all fed in phase in a. The antenna will be about 25ft off the ground. 10 Meter Radio. The first item on the list is a 10 m Mobile antenna, or more specifically 2 of them. • Band(s): 6 m - 2*5/8-wave, • Gain: 5. Gizmotchy G241 2 Meter 4 Element Base Antenna. DualBand 2M/440MHz base antenna Small profile, good gain, excellent construction…our best selling dual-band base antenna. HYS Dual-Band 9. I have one in the barn now to go up on the new tower in Springor early summer "I hope!" above the 4 element Tri-bander. This antenna is similar in construction to the 2-meter OFC sleeve dipole I built over 8 years ago, but it is a simple center-fed dipole. The assembly manual’s description describes the Diamond CP22E antenna best… “The CP22E is a 2-meter monoband, 2-5/8 wavelength groundplane antenna, optimized for the U. Choose Tram for your next antenna installation project with this Amateur Dual-Band Base Antenna. A new tronics company, antenna maker, HF vertical antennas, vhf antennas, cb antennas KB9VBR J-Pole Antennas All copper J-Pole antennas for sale. All mounting and assembly hardware is included. 14094 ~ Email: [email protected] Home Radios SHOP BY TYPE. Diamond X510HDM Dual Band VHF/UHF 2 Meter/70cm Amateur Ham Radio Base Antenna. The coax feed is inserted into the DE T via a drilled hole on the T's under. The antenna is Currently Pre Tuned for 80meters Via an Antenna ANALYZER. 2dBi Max Power: 150 watts Length: 40 inches Connector: NMO, Fold-over hinge included. Which model high antenna would you suggest that is compatible with IF2? TIA. KP Performance grid antennas have very high gain and a narrow beam width making it easy to transmit signals from one point to another. Outdoor Heavy Duty 1/2 Wave dipole w/o balun transformer. Listing is for (2) heavy duty CB Radio Antenna Barrel Springs for 102" Whips High quality construction providing exceptional durability and are lightweight While these are specifically built for the 102" whips, these are great springs for any CB radio antenna with a SO-239 tip. This antenna is built using a 2 X 2-in wooden boom and elements made of either brass or copper rod. 1 and 3 (the meter isn't that precise; I'd guess 2. Suitable for CB 27/81; PR 27Gb & 10M Amateur. 15 dB gain on 6 Meters, 6. Made with high impact mobay thermoplastic with exclusive low loss coil design. A slot antenna is a narrow rectangular opening in a large conductive surface, such as a TV satellite dish. It's easy to tune at the desired working frequency. Slide large worm clamp on tube insert top section into base section. How to use as a 3. Harsh environments do not affect mechanical or signal integrity. Total cost: about $5. Adding a coil in series with the antenna at the base is one such method of matching. Diamond X510HDM Dual Band VHF/UHF 2 Meter/70cm Amateur Ham Radio Base Antenna. The Maxrad MHB5800 VHF antenna features a heavy-wall tapered housing, triple plated brass fittings and a matching coil supported by a low-loss coil form. Note: Low power is recommended indoors for health reasons. instructions and tuning tool included. 1 and 3 (the meter isn't that precise; I'd guess 2. Check online store ratings and save money with deals. 1''(55mm) with PL-259 Connector RG58 Coax Cable 16.