Cushcraft achieved a major breakthrough in the development of an HF multiband vertical antenna that has been specifically designed for use with a tuner and amplifier. Starting at: $169. This Roll-Up antenna is the perfect gain for traveling. We source these direct from the top manufacturers and we configure the antennas with the highest quality circuit boards and control boxes. Also includes a 6 ft. THE LIGHT WEIGHT ONE PIECE MAST CONSTRUCTION PERMITS THE ANTENNA TO BE INSTALLED MANY PLACES EASILY. if you are intersted in understanding how this antenna works and why it works so well, a complete explanation is given in the february 2003 qst. just unscrew the old one and screw this one in. , public service agencies, and ham repeaters are mostly line of sight signals. What I use for a "Deep Woods" antenna is a "Roll-up" J-pole made from 300 ohm twin-lead TV antenna wire. A J-pole radio antenna provides you with the reliability that you need for consistent sending and receiving of radio transmissions over amateur and professional frequencies. Antennas for Police Scanner Radios. 57 2x 9dBi RP-SMA Dual Band 2. DBJ-UHF was developed from a grant from AC Daughty to develop a low cost medium gain MESH antenna for UHF. With a 50 foot length of RG8, and the antenna 20 feet in the air, SWR was a respectable 1. I was so pleased with my results that I purchased enough materials to construct another J-Pole for portable use. PETRA INDUSTRIES Amateur Dual-Band Base Antenna with 17 ft. The 1990 ARRL Hand Book. Installed a more permanent antenna at the winter QTH in Phoenix, so no longer need this antenna. This durable antenna will provide years of trouble free service. At the present time, KB9VBR Antennas seems to doing quite well. 88 - Indoor Loop Antenna for 80m to 30m. I recently purchased a 2-meter dual band j-pole antenna from KB9VBR and installed it today. Is the 2 Meter & 440 Portable Dual Band J-Pole Antenna listed on this website my best option? They can be a great source of equipment for sale and for loan from. I've constructed a 144/440 Dual band Open Stub J-Pole Antenna. It does not need a ground plane, radials or a complicated matching system. If you find any errors (links, text, pricing, etc. When you want to send or receive radio transmissions over a long range, it helps to have the right type of antenna. These are used for satellite communication. The proceeds of this antenna go to my graduate students. It has a SWR of 1. DBJ-1 (commercial) dual band base antenna - (152-157 MHz and 460-470 MHz). The antenna is en-closed in UV-resistant PVC pipe and can thus withstand the elements with only the antenna connector exposed. OSJ - Model OSJ 146/440 Dual Band J-Pole with Extra Labor Charge for Two Piece Element (Will also fit in the Antenna Bag if ALL the elements are removed from the bracket. 2dBi Model: SG-M507 Connector: UHF/SL16-J/M Type Band: Dual Band 144/430MHz Frequency: UHF/VHF V. It has been around for many decades [1]. I bought the Arrow dual band j pole in hopes that I'd be able to get on VHF/UHF from an HOA perspective. Both are omni-directional. Satellite antenna, 3 elements VHF & 7 elements on UHF Dual Band J. The great thing about J-Pole antennas is their simple design and excellent performance. Best for DX on 27 MHz. 2Ghz since you don't have it on VX8) if you don't care about the 20" height. Wide band, High gain performance MFJ Pulsar antennas feature wide band performance and high gain on all bands for superior repeater and base station operation. The DBJ-1 is easy to construct using. I always thought 4:1 baluns were preferred when connecting ladder line to the Antenna Tuner for the all band dipole. 88 - Indoor Loop Antenna for 80m to 30m. Base antenna systems for amateur ham radio HF VHF UHF - Performance, Quality, Service. The Texan ham needed to hit a repeater some distance away, so he built a stealth J-pole antenna disguised as a flowering vine. 0 out of 5 stars 72. 5 Bandwidth 6 Mhz. This is a GREAT little antenna for performance. My name is Michael, KB9VBR, and I carry a full line of VHF and UHF antennas for sale. (You would be buying the Antenna ONLY, NO antenna analyzer or Cable is included with this sale!). There's other types of designs out there on the web for "true dual band" twin lead, J-poles, including a lot of 450 ohm ladder line designs. tional single band ribbon J-Pole design to dual-band operation. 89 - Indoor Loop Antenna for 80m. Dual Band VHF / UHF Gain Base Station Antenna ANLI A-100 Amateur Radio List Price: $99. This is a great performer. This antenna can rotate 360 degrees providing the best quality reception of channels without any cost of the subscription. The antenna is tuned at the matching section by the sliding up and down of the feed points which can be time consuming and requires an swr meter or antenna analyzer. I saw the plans for this on the internet (link to plans) by Allen Lowe (N0IMW). We include 40 feet of Coaxial Cable and the J-Pole to Mount the TV Antenna on. The J-Pole antenna is a 1/2 wave antenna with a 1/4 wave matching stub. 6pf, and around a 50% efficiency. in our opinion, this product is definitely very popular and very good in terms of quality. The DBJ-1 is easy to construct using. It is basically a dual band j-pole made from twin lead wire. A J-pole radio antenna provides you with the reliability that you need for consistent sending and receiving of radio transmissions over amateur and professional frequencies. 15" in length and rated at 10 watts max. 4-1 at 144 &148 MHz. Michael currently offers a wide assortment of J-pole antennas on his website, all of which tailor to a very specific band, including 2 meters, air band, marine band, and rail band. As I was setting up my amateur radio station, one requirement was for 2M and 70cm antennas in two locations. Notes: The J-pole antenna is a half wave radiator fed by an included 1/4 wave matching section. I used a 10 ft. 01:1 for the 449. Since then we have become the largest manufacturer of Amateur, CB, and Scanner antennas and accessories in the UK We are also the largest local authorised dealer for Alinco, Kenwood, Icom, Yaesu and Wouxun. You can point the antenna at stations while you are in QSO with them. We see many claims of dual band performance sold on the internet but when we purchased many of these antennas they are just VHF antennas that also resonate at UHF. We call the antennas Slim Jims and they pack a lot of punch but do not unpack your wallet. Both are omni-directional. This mobile whip antenna won't take long to build, works well and only requires one feed line for the two-band coverage. It is basically a dual band j-pole made from twin lead wire. G7FEK Limited Space Antenna G7FEK Multi-band "Nested Marconi" Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. 650 MHz input frequency. This antenna is complete with exception of the 5 feet of ¾ inch Class 200 PVC pipe needed for the antenna. - Mounting hardware not included. The GP-9 is the highest gain, dualband fixed station antenna available from COMET. Well, I happened to have an unused dish screwed on the side of my back porch. My experience is that they may reduce your SWRs & make a more forgiving antenna - but this could be bad & good - so do a little research. Both are designed as smarter, stronger, and more elegant all band options covering every frequency from 80 to 6M. For instance, the J-Pole antenna design for 2m/440 ops is a very popular homebrew project, and it can be created with simple aluminum from the hardware store or even from segments of twin lead feed line. The 150 Mile TV Antenna Bundle Kit is TV Antenna Sales "House Brand". Individual shipping of the 5 ft antenna is $14 so we rather you go to Lowe’s (stock # 23990) or Menard (SKU #6899684) and buy the PVC pipe for about $1. Antenna has ground plane system of 8 wires, each 8m long. J-Pole Antenna Dual Band Antenna for 70cm and 2M. We see many claims of dual band performance sold on the internet but when we purchased many of these antennas they are just VHF antennas that also resonate at UHF. The ARRL Antenna Book. A Copper Pipe Jpole for Two Meters. This antenna can rotate 360 degrees providing the best quality reception of channels without any cost of the subscription. This is a custom built 2 meter/70 centimeter band Slim Jim antenna fashioned from 450 ohm window wire. Performance is equal to a J-pole, but it’s smaller, less obtrusive and more. This will direct more of your output power when transmitting at the same time reducing interference and increasing signal strength when receiving. DBJ-1 J-poles that go inside of the psi-200 PVC pipe, DBJ-220 J-poles that go inside of the same type of PVC, and also the DBJ-2 dual band roll-up J-pole antennas for quick deployment. FOR SALE - Seattle, WA 2 - They're Back - but limited quantity! K9JEB Dual-band open stub J-Pole Antennas - brand new, hand made and expertly tuned. Here is a picture of the antenna mounted on the new mast. 5 metres Connection S0239 Construction is Stainless Steel whips and lightweight Aluminium bracket Wieght 0. Visit the original J-Pole Antenna Store. Thank you for visiting my auction. 98 Dual Band VHF / UHF Gain Base Station Antenna ANLI A-100 Amateur Radio 1pc DualBand Base Antenna for 2M/440 Dual Band Amateur Radios. We source these direct from the top manufacturers and we configure the antennas with the highest quality circuit boards and control boxes. With a 50 foot length of RG8, and the antenna 20 feet in the air, SWR was a respectable 1. $9 oversize shipping applies. This will direct more of your output power when transmitting at the same time reducing interference and increasing signal strength when receiving. 89 - Indoor Loop Antenna for 80m. It is basically a dual band j-pole made from twin lead wire. Brand new from Lava is their latest design antenna called the Square Leaf. The 1990 ARRL Hand Book. If one has an interest in distant or low altitude aircraft, basic air band antennas are not satisfactory. 5 out of 5 by 14. Buy online or give us a call at 781. Contact one of your local Diamond ® Dealers for current price & availability. Scanner Antenna: This is a simple but sensitive Home Made J-Pole Antenna that works great when You are limited as to a place to mount an external antenna !What You Will need: 1( 48 1/4 " twin lead wire2( Measuring tape3( Exacto knife or similar cutting tool4( elec. Copper Dual-Band Super J-Pole Antenna by KA0NAN, April 1993. The design would theoretically provide an impressive 9db gain (a claim that has generated some debate online) over the discone antenna I was using at the time. When you want to send or receive radio transmissions over a long range, it helps to have the right type of antenna. I can help you find the right antenna to fit your needs. permits the antenna to achieve high performance, high power rat-ing low vswr, and broader band coverage on both 2m and 70cm bands. I thought, why purchase a 2 band radio if I can get a Quad band in the same price range? In the $250 to $300 price range, one car get a transceiver for the car. 6pf, and around a 50% efficiency. Both are omni-directional. Â Thank you for looking! Check my other items!. Electronics. I bought the Arrow dual band j pole in hopes that I'd be able to get on VHF/UHF from an HOA perspective. See the attached pics illustrate ease of installation as well as the cool design. This calculator can be used to design a Slim Jim or a J Pole antenna. 2 meter/70cm Dual Band Collapsible Copper J Pole Antenna by KCØSDV Free shipping determines this price through a machine learned model of the product's sale. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is a J-Pole on steroids!. Increase your range by selecting Cushcrafts dual band Yagi. First this antenna is in the j-pole family but is not a true j-pole. He described it as a 3 element J Pole with 2 phased elements. Car Antennas For Sale. com - High Gain, Low Noise, Strong Mechanical Structure models. The Slim Jim, designed by the late Fred Judd, G2BCX, can be a great portable ‘roll up’ antenna, if made out of 300Ω or 450Ω ladder line / twin feeder. Find many great new & used options and get the best deals for 2 Meter Dual Band Collapsible Copper J Pole Antenna- Included at the best online prices at eBay! Free shipping for many products!. Exterior antenna types include Omni antennas with 360 degrees radiating pattern and directional Panel, Yagi / LPDA (log-periodic dipol. This does not include the fiberglass pole. It does not have much in Dbi gain. in our opinion, this product is definitely very popular and very good in terms of quality. Brand new from Lava is their latest design antenna called the Square Leaf. Includes a construction plan in pdf format if you wish to build your own antenna. Antenna Experts have many years of experience in aviation band antenna field and are able to offer array systems to suit any type of requirements. Direct element joint structure with two interconnected FRP outer-shells. 85%-90% of the DMR repeaters in the USA are UHF, and since this antenna carries a 4db gain, it makes a perfect. A Copper Cactus Dual-Band J-Pole Antenna Project by Tony Petersen N7QVC: Build A VHF/UHF Dual-Band J-Pole Antenna 663 kB PDF file by Edison Fong WB6IQN An article from Feb 2003 QST. This antenna is complete with exception of the 5 feet of ¾ inch Class 200 PVC pipe needed for the antenna. Fong and his students individually build, tune and test each antenna before shipment. I used a dual band hand held radio as a signal source and a Kenwood VHF/UHF power and SWR meter as a tuning indicator. Arrow Antenna OSJ-146/440 Dual Band J-Pole - 2 Piece Element. Add to Cart × OK. Covers most of the basics. No mounting hardware is included so that you can customize your installation to your needs. I was so pleased with my results that I purchased enough materials to construct another J-Pole for portable use. bandwidth) using a single feedline. The Hustler 5-BTV is a five-band trap vertical antenna that provides an Omni directional pattern. ) This is an excellent performing J-Pole type antenna, constructed from readily available materials. New RF Parts for sale by Bruce. Second J-poles will resonate on 440 without traps but realistically for lack of a better term they suck. I constructed this antenna with the most streamlined and easiest layout for my particular QTH. I specialize in a certain type of antenna called a J-Pole. Tram 1081 Fsma Dual Band 144mhz 430mhz Magnet Antenna Sma Female Connector; Firestik K 8r9 Shielded 9 Fire Flex Coax Cable W Fire Ring; Antop Antenna At 723 J Pole Outdoor Antenna Satellite Mount. Base Antenna is rated 4. C ONSTRUCTION OF A N EW J-P OLE A been carefully designed by me for the 2m band, and when design and implementation of a 2m J-pole antenna" Technical Report. Copper Dual-Band Super J-Pole Antenna by KA0NAN, April 1993. I have covered J-Poles quite a bit on this site [2]. The EZ HD will provide dependable reception 24/7 where other small antennas won't. Wide frequency coverage of 145-162 MHz & 445-469 MHz (SWR 2:1 or less. This is a review of the Dual Band Base Station VHF/UHF J-Pole HAM Antenna Review that I purchased from e-bay. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. Find Art Supplies For Sale Online. 90 - Double-Delta Antenna 80m. The ubiquitous dual band j-Pole antenna, the SE-DBj covers 144 to 146 Mc. Wide band, High gain performance MFJ Pulsar antennas feature wide band performance and high gain on all bands for superior repeater and base station operation. High Gain Air Band Antennas. But G3TXQ’s research appears to suggest that a 1:1 current balun would be a better choice at least when one is using a T-network type antenna tuner. The antenna functions as a directional antenna radiating a beam off the ends of the helix, along the antenna's axis. 5 metres Connection S0239 Construction is Stainless Steel whips and lightweight Aluminium bracket Wieght 0. Covers most of the basics. construction of lengthened J-Poles he states, “The upshot is that the possibility of making a longer J-pole in non-standard form does not yield the benefits of lengthening a vertical monopole over a buried ground plane. 5 Impedance: 50ohm Antenna Length: 80cm Polarization: Vertical Radiation: Omni Connector Size: 16mm (Diameter) Antenna Weight: 215g Included: 1 x Mobile Car Radio Antenna #RadioAntennas #CarAccessories #Antenna #MobileCarRadioAntenna #. A balun is necessary because a J-pole antenna uses a balanced feed (the. 144-430 portable j-pole antenna A portable dual band j-pole antenna 2 Meter J-pole from 450-Ohm Ladder Line Great first time J-pole project. I always thought 4:1 baluns were preferred when connecting ladder line to the Antenna Tuner for the all band dipole. I recently purchased a 2-meter dual band j-pole antenna from KB9VBR and installed it today. Starting at: $169. Log Periodic Antenna Calculator Long Wire Antenna Long Wire Impedance matching Loop-Yagi's — from PA5RWE Loop Antenna, Magnetic, Portable — from G4FON Low Band Antennas. can overnight this Cisco AIR-CAP1552E-A-K9 Dual Band External Antenna Outside Mesh 1550 WAP to your location. I’m happy I didn’t start to play with a computer. For instance, the J-Pole antenna design for 2m/440 ops is a very popular homebrew project, and it can be created with simple aluminum from the hardware store or even from segments of twin lead feed line. This small and thin design also makes it good for several stealth applications. • Standing Wave Ratios (SWR) - An efficiency measure showing the relative size of reflections and their impact on the power of the antenna. A copper pipe J-Pole antenna is a single band antenna that is much like a. AntennaZ J-Pole Dual Band Antenna for 70cm and 2M. Ed Fong WB6IQN. Making a Coaxial Dipole If you start with a common half wave (λ/2) stainless whip and extend it all the way down through a λ/2 long support tubing, Homebrew Coaxial Dipole for VHF or UHF Here’s a base station antenna you can easily build for 146, 220 or 440 MHz. The antenna is tuned at the matching section by the sliding up and down of the feed points which can be time consuming and requires an swr meter or antenna analyzer. I created this website with the hopes of building a new Amateur Radio supply source in DFW, and in Texas overall. No mounting hardware is included so that you can customize your installation to your needs. 25M BTECH 5 (Ham). Heavy duty 32mm OD. 87 - Capacity Tuned Folded Loop Antenna for 20m. Ham Radio Antenna 2 Meter 440MHz Copper J-Pole Antenna product reviews by real people like you. No mounting hardware is included so that you can customize your installation to your needs. Antennas for Police Scanner Radios. Details about Authentic N9TAX VHF/UHF Slim Jim J-Pole Dual Band MURS/GMRS Antenna jpole! Use with Baofeng, Wouxun, TYT, Yaesu++ See Description. $100 plus shipping or local pick up in the Minneapolis area. HT- 55 156/465 Antenna: HT-224 2M/220/440 Antenna: HB05/HS05/HMO5 HT Adapter Cables: Diamond: RH 3 2M/440 Antenna BNC: RH 77CA, SRH 77CA, & SRJ 77CA 2M/440 Antenna BNC/SMA: RH205 2M Antenna BNC: RH707 2M/440 Antenna BNC: RH789 & SRH789 2M/440 Antenna BNC/SMA: RHF10 & SRHF10 2M/440 Antenna BNC/SMA: RHF40 & SRHF40 2M/440 Antenna BNC/SMA: SRH320A. 13:1 for the 147. 84 - Mini-Horse Yagi Antenna. J-Pole Antenna Dual Band Antenna for 70cm and 2M. These antennas are perfect for packet applications. Try Prime All Dual Band VHF / UHF Gain Base Station Antenna ANLI A-100 Amateur Radio. No endorsement may be inferred from the mere listing of a URL or link. 2006) might do the job. PETRA INDUSTRIES Amateur Dual-Band Base Antenna with 17 ft. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. No endorsement may be inferred from the mere listing of a URL or link. The 2-Meter 300 Ohm TV Twin-lead Roll-up J-pole. Other very good "J" antenna designs published in 73 Magazine have been; Copper Cactus (2m) J-Pole by KE7AX, February, 1992. Super wide receive (88-900 MHz). important because if the mast extends above the antenna ground plane it will affect the performance of the antenna. Kite and Balloon Lifted Antennas from G4VGO K6STI Receiving Loop — "the DX secret weapon" L. AntennaZ J-Pole Dual Band Antenna for 70cm and 2M. J-Pole Antenna for 144/440 Dual Band by Ed Fong. The DBJ-1 is easy to construct using. There are times when you may need more gain than the standard J-Pole antenna. Antenna J-POLE 50 mhz 145 mhz sizing calculation. Today, I'm going to show you how you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. I first introduced the concept of this antenna in Feb. Highlighting M Antenna available on sale. We doesn't provide ham radio repeaters products or service, please contact them directly and verify their companies info carefully. It is about the same thickness as 2 sheets of notebook paper, thinner than a credit card and built of strong plastic construction. Arrow Antenna OSJ-146/440 Dual Band J-Pole - 2 Piece Element Arrow Antennas. Dual Band Tape Measure Yagi Antenna by KM4LGM While I wait for my Arrow antenna to arrive, I thought I would experiment and build a dual band tape measure yagi since I already had most of the parts on hand. However, keep in mind that a high-gain antenna pattern has narrow elevation angle. , with a VSWR of 1. We source these direct from the top manufacturers and we configure the antennas with the highest quality circuit boards and control boxes. Brand new from Lava is their latest design antenna called the Square Leaf. It needs to be made for the VHF / UHF frequency you will be using. MFJ-1622, MFJ-1625 Window/Balcony Antenna 80-6 Meters : MP Antennas: Super-M 400 Base Base Antenna 400-500 MHz: Super-M Classic Base Base Antenna 25-1300 MHz:. The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna for Public Service Edison Fong, WB6IQN WB6IQN reviews the theory of the dual band 2 meter / 70 cm J-pole antenna and then makes detailed measurements of a practical, easy to replicate, "roll-up" portable antenna. J-Pole Antenna Dual Band Antenna for 70cm and 2M 3/8 to 3/8 di-pole centre ( ideal to make whip di-pole ). The Hustler 5-BTV is a five-band trap vertical antenna that provides an Omni directional pattern. Scanner Antenna: This is a simple but sensitive Home Made J-Pole Antenna that works great when You are limited as to a place to mount an external antenna !What You Will need: 1( 48 1/4 " twin lead wire2( Measuring tape3( Exacto knife or similar cutting tool4( elec. 6-80 Meter HD-FMJ portable HF antenna. , public service agencies, and ham repeaters are mostly line of sight signals. Q: I built the dual-band J-pole antenna from the article in the September 1994 New Ham Companion ("An Easy Dual-Band VHF/UHF Antenna," page 61), but I just can't get it to work. permits the antenna to achieve high performance, high power rat-ing low vswr, and broader band coverage on both 2m and 70cm bands. 6:1 or less VSWR and 420 to 450 Mc. The proceeds of this antenna go to my graduate students. 84 - Mini-Horse Yagi Antenna. Ed sells these antennas on ebay for $37. DBJ-1 (commercial) dual band base antenna - (152-157 MHz and 460-470 MHz). Stainless steel jam nuts and Workman SO-239 female feed connector. TV & Video FIVE STAR 200 MILES OUTDOOR 4K ANTENNA Plus Kit & 20 Inch J-Pole. The simple J pole antenna is capable of excellent results as the below antenna computer modelling of a 2M band J pole antenna illustrates. The tall part of the J is the half-wave vertical dipole plus an approximately quarter-wave matching section, and the short part is the nearly quarter-wave matching stub. 88 inches x 6 inches. Although not held high in the air, it is still an effective radiator (Ed has measurements to show these properties). Good match on 144-148 and 433-438 (Adjustable) Height 1. The J-pole antenna, more properly known as the J antenna, was first invented by Hans Beggerow in 1909 for use in Zeppelin airships. • Standing Wave Ratios (SWR) - An efficiency measure showing the relative size of reflections and their impact on the power of the antenna. FrugalPrepper 29,874 views. Over the next week we will build one or two of them & see how they perform. We source these direct from the top manufacturers and we configure the antennas with the highest quality circuit boards and control boxes. See the attached pics illustrate ease of installation as well as the cool design. First this antenna is in the j-pole family but is not a true j-pole. This MFJ Pocket Roll-up is the perfect gain antenna for traveling. It does not need a ground plane, radials or a complicated matching system. DMR Base Station J-Pole. My workshop under the garage needed to have a separate antenna, preferably hung from a nearby tree. 10-80 meter Alpha. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is a J-Pole on steroids!. This is ideal for most dual and radios that us a single antenna port for both VHF and UHF. 13:1 for the 147. The 'J-Pole' Antenna consists of a half wave vertical radiator and an adjacent quarter wave tuning stub which forms the classic 'J Shape'. 6pf, and around a 50% efficiency. The DX Vertical is our non-stealth HF vertical antenna. Ubiquiti UniFi Directional Dual-Band Antenna for UAP-AC-M Benefits. I recently purchased a 2-meter dual band j-pole antenna from KB9VBR and installed it today. 88 - Indoor Loop Antenna for 80m to 30m. Rialto Amateur Radio Club. 144-430 portable j-pole antenna A portable dual band j-pole antenna 2 Meter J-pole from 450-Ohm Ladder Line Great first time J-pole project. If you desire the absolute maximum coverage area, this is the antenna to choose. This is a great performer. When done, the antenna should also present 1:1. com: antenna j pole. Dual Band Slim Jim J-Pole More gain than a standard J-pole! Now With SMA(Standard) BNC UHF Mini-UHF or N* & 16' Coax. Covers most of the basics. Satellite antenna, 3 elements VHF & 7 elements on UHF Dual Band J. Sounds complicated, but it really isn't. The combination of the ATAS-100 and a good dual band 144 / 440 antenna works FB. Over the next week we will build one or two of them & see how they perform. The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. This antenna can handle 1KW PEP and is built, here in the United States, from rugged components and solid aluminum. A very easy to make and versitile antenna. 2m/70cm Dual Band J-Pole by KK4ICE. It needs to be made for the VHF / UHF frequency you will be using. The DBJ-2 roll-up dual band J-pole antenna is just what I was looking for to use in my “go bag”. References. FOR SALE - Seattle, WA 2 - They're Back - but limited quantity! K9JEB Dual-band open stub J-Pole Antennas - brand new, hand made and expertly tuned. If you are anxious to get an antenna up right away you can't go wrong with the Ed Fong dual band J-Pole. Skip to main content. The ring gasket makes the antenna water-proof, and. Contact one of your local Diamond ® Dealers for current price & availability. This antenna was featured in the Feb. 3 db gain (140-174), 5 db gain (420-500) over stock. I like building antennas from copper pipe and have made many j-poles for myself and. The radiation pattern is directed to the horizon omni-directionally around the antenna. This high gain directional antenna is best used to upgrade your outdoor signal antenna. This article covers several 145 MHz antennas, a larger number of 435 MHz antennas, and how to combine them into one antenna. Brand new from Lava is their latest design antenna called the Square Leaf. Visit the original J-Pole Antenna Store. Everything You Need to Know About Choosing a J-Pole Antenna. The proceeds of this antenna go to my graduate students. ) DBJ-2 (ham) dual band roll up antenna kit - (144-148 MHz and 440-450 MHz) Includes adapters for BNC, SMA and SMA - female. There are times when you may need more gain than the standard J-Pole antenna. It has 3/8" solid aluminum radiator and elements. It does not hurt you to try or buy CC Shortwave Reel Antenna. DBJ-2 Portable roll up antenna Why buy from imitators? This antenna was featured in the March 2007 QST and designed by Dr. can overnight this Cisco AIR-CAP1552E-A-K9 Dual Band External Antenna Outside Mesh 1550 WAP to your location. Our AY and AQY series HIGH GAIN aviation band array systems are highly suitable as base station antennas for ATC sites where extended communication range is required to cover the particular sector of Flight Information Region (FIR) like narrow but. DISCLAIMER: Any links provided are for the reader's enjoyment. A Dual Band VHF/UHF J Pole - Internode. These are very easy to make or buy off of E-bay. A 145MHz 2m loop.
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