82K subscribers Subscribe 299K views 7 years ago The original Ed Fong Dual Band. I have a better SWR, less reflected signal,. Type: 3/4 Wavelength coaxial J-pole ; Frequency range 455-475 MHz ; SWR less than 1. I connect 40 feet of rg8x coax and lean the antenna along side a wooden fence and fired up the rig,,,,,WHOA, couldnt believe it. This is a homemade DBJ-1 dual-band antenna (VHF-UHF). New York, New York, United States. It also won the best paper of the month award. Thanks for taking the time to go over setup details with me. I have a grounding question. This is a true 1/2 wavelength performance at both VHF and UHF and with low SWR and was featured article in Feb 2003. Buy the best and latest ed fong antenna on banggood. Low profile, good performance. This makes the J-pole 1/2 wave on 2 meters AND 440!!!. This is a true 1/2 wavelength performance at both VHF and UHF and with low SWR and was featured article in Feb 2003 issue of QST. 12 ft 1/2 inch Grounding Braid with #10 Stud Ring Terminals. Product is in production. Designed by Dr. Thus U clamps, hose clamps, etc. Its now in my backpack as I picked up a 2m mag loop (technically a "folded" dipole I think) but it works as well as the Ed Fong J-Pole inside the house and the loop actually looks kind of cool instead of - the please hide those wires remarks for the J-Pole :-) I ALSO have about a 70foot random wire antenna coming from. In case you're measuring at transmitter, the loss in the cable will lower SWR, the bigger the loss the closer your SWR to 1:1. RG-8X coax connected to the SO-239 connector mounted inside of a 1 1/4" PVC plug. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. These antennas will work with any licensed GMRS radio that offers a way to connect an external antenna, including numerous Midland models, such as the: MXT100, MXT105, MXT115, MXT275 and MXT400. Shop the top 25 most popular Related Search, Ranking Keywords at the best prices!. The HARC Elmer Net. 35-39 This easy-to-build, fully automatic tuner I’m looking for information on the Homemade. In this video, we see a near commercial grade J-Pole antenna based on a design from Silicon Valley engineer Ed Fong. DC Grounded: A metal ground plane is not needed with this design. Low wind load, grounded antenna; Flexible mounting options; 21. As we continue our antenna chat with Ed we begin to learn about his wildly popular J-Pole antennas. Gain: up to 4 dBi. 99 View. An advantage of end-fed antennas is of course the simplicity, especially for fieldwork this is a huge advantage. Diamond (Original) SRJ77CA 144/440 MHz. J-Pole for VHF Marine Band - Designed by Ed Fong WB6IQN This antenna is specifically optimized for the Marine Band (156-162 MHz) including NOAA WX. Ed Fong is an instructor of wireless communications at UC Santa Cruz – Silicon Valley. About Antenna Homemade Gmrs. You will need 5 ft of ¾ inch 200 psi pvc pipe. This may be especially important for a handheld's front-end that isn't truly meant for anything more than a rubber duck. Presentation starts after the regular monthly Club Meeting concludes. Ed Fong GMRS antenna tuned to 465/467 MHz. Apr 08, 2021 · One of the best, and most affordable, antennas for GMRS base station operation is the Ed Fong J-pole. Ed Fong--Collinear Antennas January 01, 2022 Ed Fong - Collinear Antennas Share Watch on Everything you need to know about the design, construction, testing, and use of VHF/UHF Collinear Antennas from Ed Fong (WB6IQN). They are not high gain, have no ground radials and no traps. I did a bit of math in my head and determined that in fact, I could not go out and buy all. GPS approaches evade all the expenses that plague a ground-based navaid. Each antenna is custom tuned to the frequency requested. A balanced-load tuner should be designed from the ground up for the job that it is intended to perform. One of the best, and most affordable, antennas for GMRS base station operation is the Ed Fong J-pole. A ground plane is a large area of copper in a printed circuit board design that is connected to ground on the power supply. 20' off the ground mounted on a mast and grounded. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. Howdy y’all! This is my second post for today. Ed Fong WB6IQN (https://edsantennas. The list of GMRS channel frequencies consi. The UHF Female (so-239) is the default connector The FRS radios are restricted to ½ watt (500-milliwatts) and must have a fixed antenna Again, not space shuttle technology You can receive and transmit the clear audio When I added a second wire to make the folded dipole shown above, I designed the <b>antenna</b> with 1 inch spacing. HRO Discount Price. US $1. For the 6 m band, I reused my 1/4 wave vertical that I’ve been using for Parks On The Air activations over the past two months. The important thing is to eliminate common-mode currents in your antenna. Each mode can be switched immediately. It comes complete fully assembled with end caps and an SO-239 connector. They are not high gain, have no ground radials and no traps. Heavy Duty 3/8-24 Threaded Spring - Fits up to 80" Ham Antenna - Sold by W5SWL. Visit Diamond Antenna on Facebook & Instagram! Office hours, Monday through Friday 9:00 a. Active Antenna and Variable Delay Line Kits. of AR in Fayetteville. Discover over 738 of our best selection of Related Search, Ranking Keywords on AliExpress. Single section. Personally, I'd pick up a simple "J pole" antenna for about $30-$40. For the 6 m band, I reused my 1/4 wave vertical that I’ve been using for Parks On The Air activations over the past two months. J-pole Antenna for Public Service. Arms manufacturers refuse to take blame for gun violence. Have the Ed Fong PVC antenna, it's a Keeper!. Benefits. Ed Fong Antennas. An advantage of end-fed antennas is of course the simplicity, especially for fieldwork this is a huge advantage. Probably completely def on 440 (-8. Suprised the heck out of me. chicken farm jobs near me. Antenna length with 450 ohm twin lead is 53 5/8" vs 50" of 300 ohm twin lead for Ed Fong's DBJ-1. His antennas are built by students of the class at cost and all our tuned and tested before delivery. Gain: 6 to 10 dBi. Position a non-inductive resistor across a non-conductive portion of the mast if your concern is bleeding static charge from the antenna. Join the thousands who are happy Ed Fong antenna users. Shop the top 25 most popular Related Search, Ranking Keywords at the best prices!. They can be collected in ReachView or imported from other CAD or GIS software. Based off of a design Dr. You can spend about $25 to turn the Jackite 31′ pole into an all-band HF Antenna that will give you all bands between 80 and 10 meters, without a tuner. If you made a j-pole from 300 ohm twin lead, but resonant at 460, it would be less then half the height and perform the same or better. The antennas are at 2 different ends of my 2 story house (Both are in the attic, NOT outdoors) which is shaped like a "T". Course over ground. Radio Society of Great Britain, 1993, ISBN 1-872309-15-1 That page agrees with other data I can find transceiver and the companion, mobile whip antenna, the Yaesu ATAS-120 ($325) The "L" type antenna has directional characteristics and may not produce a definite station passage indication as the "T" type does Download or. GMRS Blade Indoor Antenna. SWR: less than 1. One of the best, and most affordable, antennas for GMRS base station operation is the Ed Fong J-pole. DIY 1/4 wave hanging on a nail in my shack about 6' off the ground. The tri band was a little off on 1. DIY 1/4 wave hanging on a nail in my shack about 6' off the ground. Profits from our antennas go to my RF Wireless Group at UC Santa Cruz - Silicon Valley. Our most popular antenna is the DBJ-1 which is a VHF/UHF Dual Band Base Station Antenna. We would also recommend checking your local electrical codes to make sure you are in compliance or even look into having a professional electrician advise and/or install for you. Join the thousands who are happy Ed Fong antenna users. -----Earlier 5-star review posted by SWL377 on 2019-10-01 Ed knows his stuff. TWAYRDIO Yagi Antenna UHF 400-470Mhz,High Gain Outdoor GMRS Vertical Base Antenna ,7dBi Receiver Directional Yagi for Ham Radio,Repeater System,433mhz Device,Fm Scanner. Ed Fong is an instructor of wireless communications at UC Santa Cruz – Silicon Valley. Diamond SRH320A Triband HT Antenna; Ed Fong Dual Band Roll-Up J-Pole; ClearNode - AllStar and Echolink Node; Arrow II Satellite Antenna; Clubs. The 1/4 wave ground plane antenna served as a reference for the other two antennas. Use a fully conductive mast with two more more horizontal radials 1/4 wavelength below the base of the J. This can be accomplished by any of the following: 1. -----Earlier 5-star review posted by SWL377 on 2019-10-01 Ed knows his stuff. I have several of the Ed Fong antennas and love them but was considering making a ground plane with some wire and a. This is a true 1/2 wavelength performance at both VHF and UHF and with low SWR and was featured article in Feb 2003 issue of QST. If installed per the dimensions above, the antenna should have an SWR of less than 1. The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. The published papers on these antennas are attached. Dimensions are given for insertion into ¾ inch 200 PSI pvc pipe. Show results from. Designed for any-weather adventures; factory-tuned specifically for the radio bands of the Americas (GMRS/FRS, CB, 2m, 70cm, SAR) 16 mm PVC wire and place it between the aluminum metal disk and the top of the wood dowel I hope you learn a lot from this video, and stay tuned for part 2 and 3 5 db gain on 465 mHz (FRS/GMRS) Alamosa. Impedance: 50 ohms. This edition includes the C-pole ground-independent Antenna Impedance Models -. So I decided it was worth a try. There are plenty of options available while buying Ed Fong roll up antennas in the market right now, and if you’re confused regarding which one to go for,. $49 99 $49. Features : [FULL HD CHANNELS]: 1With Our UPGRADED TV antenna no more need to pay a HUGE bill on TV. I know the general consensuses seems to. mobile and fixed station. Frequency range (MHz). Slim Jim and J Pole calculator Before we start, be prepared to experiment The. You would have been fine and a bit better with a GP, but the NGP will still work fine - you'll just get a bit less transmission strength. Diamond (Original) SRJ77CA 144/440 MHz. Why a balanced antenna matching unit? Everyone calls them tuners, including the manufacturers. Feb 02, 2012 · A fellow "ham" named Edison Fong, WB6IQN, has designs for a better way of building this type of antenna which involves using a "trap" made from a piece of RG-174 coax that is open on one end and closed (shorted) on the other end and placed in the radiating element. rs404 input seal. 5 dB loss over that 100 foot on 2 meters. Profits from our antennas go to my RF Wireless Group at UC Santa Cruz - Silicon Valley. Fong created for the Ham Radio world with his. (I plan on making a separate post about my 1/4 wave verticals. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. If you're looking for an antenna for your home base, they're cheap enough ( 462 MHz Land Mobile (GMRS) J-Pole Antenna | KB9VBR J-Pole Antennas ) or you could build one. As far as testing goes they both worked flawlessly. This antenna is completely portable and can be rolled-up placed in an emergency go pack. slim jim j pole antenna. The Ed Fong antenna is a gem. 00 - $ 34. The antenna is a much better fit on the GT-3TP without the washers. Find quality Manufacturers, Suppliers, Exporters, Importers, Buyers, Wholesalers, Products and Trade Leads from our award-winning International Trade Site. Your looking at 4. And, the antenna is perfect for good picture. The antenna comes with a set of rubber washes. or Best Offer. I then called Yaesu Tech Support who told me to send the antenna in for warranty repair Выходная мощность Radio Society of Great Britain, 1993, ISBN 1-872309-15-1 Yagi antennas are a popular choice among ham radio operators due to the ability to direct a signal when transmitting and to reject a signal when. You can spend about $25 to turn the Jackite 31′ pole into an all-band HF Antenna that will give you all bands between 80 and 10 meters, without a tuner. You will need a peak in your attic that is tall enough for the antenna to fit. Search: Gmrs Antenna Homemade. Shop the top 25 most popular Related Search, Ranking Keywords at the best prices!. Practically speaking, the difference in. You're almost done. Grounding ed fong antenna DBJ-1 $45 Published in - QST February 2003. The specific lengths, etc in this article are for the center of the FM repeater input frequency of the band. Dual Band GMRS/MURS Mobile Antenna. 95 Free shipping SPONSORED 18. de 2013. Probably completely def on 440 (-8. Diamond (Original) SRJ77CA 144/440 MHz. Type: 3/4 Wavelength coaxial J-pole ; Frequency range 455-475 MHz ; SWR less than 1. Diamond (Original) SRJ77CA 144/440 MHz. Ed Fong, WB6IQN, designed this 2meter/440 dualband J-pole antenna made of 300 ohm twin-lead that fits inside this thin-walled PVC pipe. MARINE ANTENNAS. Based off of a design Dr. The antenna is a much better fit on the GT-3TP without the washers. ground plane antenna, it doesn’t need ground. 7 spd. Dimensions are given for insertion into ¾ inch 200 PSI pvc pipe. Fong, who hosts ham radio events at his house, has designed an antenna that many ham enthusiasts swear by. If I decide to ground it then what are the best ways to do so and how to keep it budget friendly. The fully-encased antenna is lightweight, portable, and adequate for most field and home operations. 00 462 MHz Land Mobile (GMRS) J-Pole Antenna $ 30. Fong created for the Ham Radio world with his DBJ-1 dual band J-pole, this antenna is measured and tuned for the GMRS band around 462-467MHz. 8 Antenna Compendium. Pacificon 2002 Ed Fong WB6IQN VHF-UHF J-pole Antenna Author: Edison Fong Last modified by: Fong Family Created Date: 10/15/2002 4:51:26 AM Document presentation format: On-screen Show (4:3) Company: Edison Fong Other titles:. 27 de mai. If I decide to ground it then what are the best ways to do so and how to keep it budget friendly. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. However, if mounted outside, then an earth ground to the conduit is recommended. DBJ-UHF: single-band 440 base antenna (custom tuning - GMRS specific tuning available!!) $42. Category: Antennas: VHF/UHF+ Omnidirectional: verticals, mobile, etc. Ed Fong GMRS Antenna -DBJ - +5dB Gain Antenna (pvc pipe not included) $55. While the ground station is searching for a signal, it may 'lock on' to a signal from a different spacecraft and wrongly identify it as the spacecraft being searched for. Application filed by Edison Fong. Join the thousands who are happy Ed Fong antenna users. 3 Failure to cancel a reservation at least 10 minutes prior to departure may result in forfeited Travel Funds. I have used a. GMRS Double 5/8 Wave Mobile Antenna. I've tried to give as much information here as I can, but you'll notice I. Today we compare the N9TAX against the last round winner the Ed . In fact, some setups don't use a ground at all!. I am one of them. Setting up the TRAM 1486 for GMRS use. The fully-encased antenna is lightweight, portable, and adequate for most field and home operations. Try Comet or Maldol antennas. Measuring SWR of Fong antenna or mag mount antenna is a different exercise. ed fong antenna instructionsj-pole antenna design pdf. de 2016. The important thing is to eliminate common-mode currents in your antenna. The UC has very sophisticated testing equipment and the test results of various brands are surprising. Ed Fong 2 meter / 70 cm antenna you can pick one up herehttp://www. Units: Aeronautical Metric Imperial. All data are collected and algorithms are used on them - abused A. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works. Matching system: 1/4 wave matching stub, ½ wavelength phasing stub. Jan 01, 2022 · Add an antenna "tuner", a sturdy rig, such as the Yaesu FT-817, a microphone/cw key, and a simple grounding system, and you have a fully functional, nearly invisible ham station in your backyard. Some of the features include 5dB gain, only 3 1/2 ft tall, no radials, up to 150 MPH winds. WUHAN - China - 5G - Coronavirus. Position a non-inductive resistor across a non-conductive portion of the mast if your concern is bleeding static charge from the antenna. an 8 ft 5/8 inch diameter ground rod embedded two feet deep into fast set concrete for stability, and a weighted-with-concrete PVC sleeve to move up and down over the rod. On June 12 2010, jumping at Byron CA, I used Ed Fong's roll up J pole antenna under parachute canopy and worked 9 non pre arranged QSOs on 2M SSB using 5 watts. Our most popular antenna is the DBJ-1 which is a VHF/UHF Dual Band Base Station Antenna. The Ed Fong antenna is a gem. Let’s take a look at the performance of this antenna today. A magnifying glass. 44-47 Ed Fong 36. and better forward signal using the $30 radio and the $3 antenna. Fong created for the Ham Radio world with his. The antennas were tuned using Class 200/SDR21/200PSI PVC pipe. He has a PhD in EE and has taught at UC Berkeley. Read Online >> Read Online J pole vs ground plane antenna pdf. The other choice for a good radiator is the traditional ground plane antenna with 3 to 5 radials. Product is in production. -----Earlier 5-star review posted by SWL377 on 2019-10-01 Ed knows his stuff. 1 set RF module 433 Mhz superheterodyne receiver and transmitter kit with antenna For Arduino uno Diy kits 433mhz Remote control. Thursday June 10th at 8:00 PM in our East Coast reflector Zoom Room, Ed Fong WB6IQN will be doing a presentation. UHF (430-470 MHz ) - Custom tuned to GMRS specification. 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. Product is in production. Half-Wave Dipole Antenna A ready made GP. Dimensions are given for insertion into ¾ inch 200 PSI pvc pipe. For GMRS forget Fong's antenna and buy yourself a nice Browning BR-6140. RF Signal Conditioning and Filters. I made this antenna based on the QST article of Dr. For GMRS forget Fong's antenna and buy yourself a nice Browning BR-6140. An advantage of end-fed antennas is of course the simplicity, especially for fieldwork this is a huge advantage. The 1/4 wave ground plane antenna served as a reference for the other two antennas. : amateurradio. Прайс на КВ антенны производимые Сов. Ladder line is heavy duty and can easily handle the 50 watts put out by most mobile radios. Marine Antenna Mounts. You guys are very thoughtful. Moxonl 70cm. Ed FongWB6IQN (formerly of UC Berkeley and now at UC Santa Cruz-Silicon Valley). Each antenna is custom tuned to the frequency requested. Everything you need to know about the design, construction, testing, and use of VHF/UHF Collinear Antennas from Ed Fong (WB6IQN). It is going surely to be a major hit around the house! squawkfox. an 8 ft 5/8 inch diameter ground rod embedded two feet deep into fast set concrete for stability, and a weighted-with-concrete PVC sleeve to move up and down over the rod. Does anyone have any experience with a roll up type of 1/4 wave ground plane antenna made out of some wire and a connector as compared to the dual band roll up antennas such as those made by N9TAX or the DBJ-2 made by Ed Fong. bc511 nvme sk hynix 512gb specs, liquer stores open near me
The antenna itself is pretty great, but I noticed while using it that there were a couple issues regarding setup. . Grounding ed fong antenna
P8uv 5w 1800mah Gmrs Dual. Many of you asked to see this match up after my last J-Pole antennas test. Fong created for the Ham Radio world with his. For the latest Amateur/Ham Radio news and information, please visit these websites: http://www. DO NOT confuse this with another 18m pole on the market, this pole has: Stiffer Walls Heavier weight (by 20%) Custom Screw Base Longer when extended Shipping length is 1. One of the best, and most affordable, antennas for GMRS base station operation is the Ed Fong J-pole. In this video, Hayden (VK7HH) shows how he assembled, tested, and used this antenna design at his home station. I am one of them. The echo through Antenna. More than 12,000 of these antennas have been sold to. Many field stations use roll-up j-poles from Ed Fong, . See more ideas about anteny, krótkofalarstwo, darmowe rzeczy. Shakespeare 5101 8′ VHF Marine Antenna. I suggest you buy a pass/reject base station duplexer, not. Order Hy-Gain. UHF (430-470 MHz ) - Custom tuned to GMRS specification. The triband . aftermarket A J-pole antenna. Ed Fong DBJ-1 GMRS/FRS MURS Base Antenna (dual band - green) – Off Grid Ready DBJ-1 Published in - QST February 2003Our most popular antenna is the DBJ-1 which is a VHF/UHF Dual Band Base Station Antenna. -----Earlier 5-star review posted by SWL377 on 2019-10-01 Ed knows his stuff. : amateurradio. DBJ - UHF (perfect for GMRS ) +5dB Gain Antenna – US patent 8,947,313 +5dB gain no radial collinear – featured in CQ magazine (Summer 2012) $50. Low SWR should be observed at this point. You are on air within 5 minutes! An additional advantage is that the antenna can easily be polarized vertically. Fong created for the Ham Radio world with his DBJ-1 dual band J-pole, this antenna is measured and tuned for the GMRS band around 462-467MHz. Long wire or random wire antennas are very simple antennas. EST (770) 614-7443 Phone (678) 731-7681 Fax E-Mail 312 Swanson Drive Suite B Lawrenceville, GA 30043. Half-power beamwidth: 60 deg x 80 deg. These antennas are about $30. Counterpoise Radial Wire Set for HF Portable Vertical Antenna, Six 16. I purchased and ED Fong antenna and in this video I show it to you and how I installed it and then did a range test. 2 Anatomy of a Buddipole This chapter discusses each of the Buddipole product models, their differences, and « on: September 08, 2016, 03:56:06 PM » "Tried to do the most objective analysis on a comparison between the Buddipole and a AlexLoop Walkham antenna A Buddipole (www Fong created for the Ham Radio world with his DBJ-1 dual band J-pole, this antenna. Put a telescopic mast against a pole, hook the antenna to the top and slide it out. M2 ANTENNA SYSTEMS. This suggestion is a flop. 5 :1 over 10 MHz bandwidth. Fong created for the Ham Rad. com offer the quality ed fong antenna on sale with worldwide free shipping. In W6, we use a dual-band (2m, 440) design by Ed Fong, WB6IQN. Search articles by subject, keyword or author. Feb 02, 2012 · A fellow "ham" named Edison Fong, WB6IQN, has designs for a better way of building this type of antenna which involves using a "trap" made from a piece of RG-174 coax that is open on one end and closed (shorted) on the other end and placed in the radiating element. Slot Antenna! 70cm. Fong created for the Ham Radio world with his. Antenna length with 450 ohm twin lead is 53 5/8" vs 50" of 300 ohm twin lead for Ed Fong's DBJ-1. Sold Out View. ollinear Omni Directional Triband Antenna” Edison Fong, August 25, 2015. The bottom end-cap is drilled for either a SO239 socket or N socket. The RFMAX RBC-450-5-NS is a UHF whip antenna with an NMO base and NO metal ground plane required. This antenna offers +5dB gain over a ground plane and has no ground radials. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. The first thing to know is that there are three functions served by grounding in ham shacks: 1. Ham Radio 360: NVIS Near Vertical Incidence Skywave with Ed Fong WB6IQN – Ham Radio 360 – Podcast – Podtail The Original Ed Fong Dual Band VHF/UHF 70cm/2m J-pole antenna. I’ve wanted to get a decent VHF and UHF antenna up so I can check out area repeaters around Starkville. WUHAN - China - 5G - Coronavirus. Install an inductive choke across a non-conductive portion of the mast which blocks the RF, and passes DC. Join the thousands who are happy Ed Fong antenna users. Satisfied Customer, NY. using twin coax vs ladder line. Half-power beamwidth: 80 deg x 360 deg. It is the same antenna that appears on the front cover of the ARRL VHF/UHF Antenna Classics Handbook. 1 1/4″ to 1″ Reducer Bushing. My antenna is an Ed Fong encsased in PVC and . Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. Join the thousands who are happy Ed Fong antenna users. de 2021. Prepare yourself! (201) 660-5051. com phone: 408-245-8210 mailing address: Ed Fong 1163 Quince Ave. Eton Elite Mini Short Wave Radio. Install an inductive choke across a non-conductive portion of the mast which blocks the RF, and passes DC. 57 Free shipping SPONSORED Vehicle Ham Radio Mobile Radio Antenna Dual Band VHF UHF 136-174MHz $19. Learn about Dr. 9 out of 5 stars based on 211 product ratings (211) $41. The pingbingding edfong roll up antenna is lightning protected, durable design with grounding done. Ed Fong Antennas. top 10 most popular samsung s6 edge pvc screen protector ideas and get free shipping. I suggest you buy a pass/reject base station duplexer, not. Time Owned: 0 to 3 months. Fong created for the Ham Radio world with his. Marine Antenna Mounts. If you have symptoms of ED, you’re not alone. AV-640 antennas use quarter wave stubs on 6, 10, 12, and 17 meters and efficient end-loading coil and capacity hats on 15, 20, 30, and 40 meters. Search: Gmrs Antenna Homemade. Antenna hung with two ropes to insulated plate three inches above top. He has a PhD in EE and really knows his stuff. A tri-band (144/220/440) ground plane antenna allows use on all currently used. Howdy y’all! This is my second post for today. SF bay Area hams know his antennas well and they are highly regarded. DC Ground. Review Summary For : Ed Fong TBJ-1 triband vertical. 5’3″ (1. My base rig is a Yaesu 8900R, a quad-band rig that is described by Yaesu as: YAESU FT-8900R29/50/144/430 MHz FM Transceiver. This makes the J-pole 1/2 wave on 2 meters AND 440!!!. The antenna comes with a set of rubber washes. [] Antenna systems located on street lights would be part of this network, pulsing passers-by, residents, drivers, walkers, and shoppers with unhealthy amounts of You can see below dielectric antenna lens which is transparent and round the end of the green device on the left side of the picture. This antenna has been fully tested to 150 MPH winds using Lowe's 23990 and 3/4 inch pvc pipe. Thanks for taking the time to go over setup details with me. com ARRL VHF/UHF Antenna Classics ARRL Vol. One of the best, and most affordable, antennas for GMRS base station operation is the Ed Fong J-pole. 7inch So239 Connector for Ham Radio Device Repeater Mobile Transceiver with Antenna Mount Bracket. Fong created for the Ham Radio world with his DBJ-1 dual band J-pole, this antenna is measured and tuned for the GMRS band around 462-467MHz. First, the display and user interface is stunning. There are a few different reasons why you may have received this message. It also won the best paper of the month award. Benefits. 6m) tall Single section 5/8 wave 3 elements 7" (19. You are on air within 5 minutes! An additional advantage is that the antenna can easily be polarized vertically. Dimensions are given for insertion into ¾ inch 200 PSI pvc pipe. Search articles by subject, keyword or author. Our 10 edfong antennae Review: 1. j pole antenna mount. Based off of a design Dr. Fong created for the Ham Rad. Based off of a design Dr. I have used a. Specifications: Overall Length: 4 feet, 50 ohm feed impedance, no ground radials. He is the inventor of the DBJ-1 and DBJ-2 antenna that was featured in the . The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. One of the best, and most affordable, antennas for GMRS base station operation is the Ed Fong J-pole. This is a true 1/2 wavelength performance at both VHF and UHF and with low SWR and was featured article in Feb 2003 issue of QST. Bernie does an excellent job of explaining the pros and cons of this popular HF antenna from the late Louis Varney (G5RV). Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. I have a grounding question. Join the thousands who are happy Ed Fong antenna users. . passionate anal