j pole pvc pipe antenna traders

J-Pole GMRS radio UHF antenna 462mhz

28-04-2012· To protect it from being bent or damaged while mounted on top of a pole I used different sizes of pvc pipe and connectors to fit over the antenna. Right at the point where the coax passes through a hole in the pvc pipe to the soldered connection on the J-Pole I did six wraps around a short piece of pvc pipe and zip tied it to form a choke. I

2 Meter Slim Jim Antenna | KB9VBR J-Pole Antennas

2 Meter Slim Jim antenna ready for service on W9HDG-10 Winlink Node Both the Slim Jim and J-Pole are great antennas and I continue to recommend both styles of antennas for different situations. The J-Pole will excel at lower mounting heights, apartments, or limited space loions.

The SIMPLE 2m Copper ''J'' Antenna

2001/09/18· The SIMPLE 2m Copper ''J'' Antenna by KB9VBR on Septeer 18, 2001 Mail this to a friend! The J is a great antenna. While I haven''t built this particular J-Pole, I''ve constructed several using

20 Meter “J” - VCARS

2013-10-12· 20-Meter “J” Pole Vertical. By Mike Higgins, K6AER . During what turned out to be an extended tower-raising project (Going from 55 feet to 90 feet), I had my beam down and I needed an antenna that could provide the necessary gain and angle of radiation to talk to my friend Skip down at the South Pole.

Slim Jim / J Pole Antenna Calculator - M0UKD

This calculator can be used to design a Slim Jim or a J Pole antenna. 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.

Hamming It Up!: Portable VHF/UHF Dual Band J-Pole Antenna

16-08-2007· a dual band J-pole? Adding a Second Band to the J-pole To incorporate UHF coverage into a VHF J-pole requires some explanation. (A more detailed explanation is given in my February 2003 QST article.) First, a 2 meter antenna does resonate at UHF. The 1Notes appear on page 40. key word here is Figure 1 — The original 2 meter ribbon J-pole antenna.

The SIMPLE 2m Copper ''J'' Antenna

2001/09/18· The SIMPLE 2m Copper ''J'' Antenna by KB9VBR on Septeer 18, 2001 Mail this to a friend! The J is a great antenna. While I haven''t built this particular J-Pole, I''ve constructed several using

Handmade Slim Jim Antenna''s by N9TAX

Handmade Slim Jim Antenna''s by N9TAX Let me start by saying that since discovering the slim jim antenna design I have really come to respect these antennas. The design uses a matching system like a j-pole antenna. This is called the j integrated match (jim) the antenna itself is very slim hence the name Slim Jim. Designs for these antennas date

J-Pole and Slim Jim Antenna Frequently Asked …

FAQ Since 2001 I’ve built and sold thousands of the J-Pole antennas. I’ve also answered hundreds of questions about installation, operation and performance. Since there is no such thing as a bad question, I’m listing the most

The DBJ-2: A Portable VHF-UHF Roll-up J-pole Antenna

The DBJ-2: A Portable VHF-UHF Roll-up J-pole Antenna By: Edison Fong WB6IQN email: [email protected] Abstract The theory for a single band J-pole is first described. Based on these fundamentals, a technique is introduced to extend these principles to achieve dual band operation. In particular, a VHF and UHF antenna for the amateur bands

The DBJ-2: A Portable VHF-UHF Roll-up J-pole Antenna

2005-08-17· The DBJ-2: A Portable VHF-UHF Roll-up J-pole Antenna By: Edison Fong WB6IQN email: [email protected] Abstract The theory for a single band J-pole is first described. Based on these fundamentals, a technique is introduced to extend these principles to achieve dual band operation. In particular, a VHF and UHF antenna for the amateur bands.

Slim Jim / J Pole Antenna Calculator - M0UKD

This calculator can be used to design a Slim Jim or a J Pole antenna. 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. Add a loop of string to the top, and hang it on a tree branch, use it with your handheld transceiver, then roll it up

2 Meter Slim Jim Antenna | KB9VBR J-Pole Antennas

2 Meter Slim Jim antenna ready for service on W9HDG-10 Winlink Node Both the Slim Jim and J-Pole are great antennas and I continue to recommend both styles of antennas for different situations. The J-Pole will excel at lower mounting heights, apartments, or limited space loions.

Building And Tuning 2 Meter 144 Mhz Copper J Pole …

2014-11-27· Building And Tuning 2 Meter 144 Mhz Copper J Pole Antenna CA Militia. Loading 2 Meter Quad PVC Pipe Antenna (Part 5/6) - Duration: 9:53. Dave Tadlock 417,673 views. Building And Tuning 2 Meter 144 Mhz Copper J Pole Antenna …

Antennas

I don''t have a link to specific design plans for this antenna, in fact I can''t 100% remeer if it was a J-pole or Slim-Jim style antenna. Essentially I constructed a standard 300-ohm twin-lead roll up antenna and slid it into a piece of PVC pipe, with the main difference being where coax is normally connected I installed a SO-239 connector.

The DBJ-2: A Portable VHF-UHF Roll-Up J-pole …

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 replie, “roll-up” portable 1⁄4 1⁄

1. Romex Dual-Band J-Pole Antenna - DARA Thursday Night Group

The DARA Thursday Night Group version will use Romex for the wire. The final product may vary from the drawing. Open in new tab. Dual Band J-Pole Drawing. Materials Meers Should Bring. Supplied by Steve, KB8STB: Used Romex cable; Coax for UHF sleeve cut for effective 1/4 wavelength at UHF frequency; i.e. take velocity factor into consideration. More on this in article below. Supplied by …

C ONSTRUCTION OF A N J P OLE A NTENNA FOR 2m

• So, the short answer is NO, do not scale it. Instead, wait for my full description of the antenna, with all the calculations included for any band. 2.9 Suggestions or Questions If you have any suggestions or questions concerning this

The DBJ-2: A Portable VHF-UHF Roll-Up J-pole …

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 replie, “roll-up” portable 1⁄4 1⁄

J-Pole Antenna - Should I ground it?

24-09-2018· I have a conventional 2m J Pole, and the mast I set it up on is a PVC pipe capped at both ends and internally supported with 1/2 inch rebar. Since this is a non conductive mast, are the currents mentioned above as mast currents really a significant factor in the performance of the antenna? I also note several persons have asked for dimensions and they were expressed as wavelength fractions. …

J-Pole Antenna for 144/440 Dual Band by Ed Fong

This is the famous DBJ-1 dual band J-Pole antenna, designed and sold by Ed Fong - WB6IQN. This is a GREAT little antenna for performance. See the eham reviews at this link. Ed sells these antennas on ebay for $37. We are

Slim Jim vs. Traditional J-pole Antenna

Why bother. You’re better off using the extra copper pipe as a mast decoupling stub in the Mast Mountable J-Pole Antenna. As seen above, both the Slim Jim and traditional J-Pole antennas provide a measurable benefit to The J

Scanner Antenna: 4 Steps

This antenna is actually called a "J-Pole" antenna. No idea what frequency it''s cut for, but they are a great antenna! Though I don''t suggest mounting it to the wall as shown! The J-Pole is very sensitive to solid objects and likes to be as far away as possible! Get a piece of 3/4" white PVC pipe and some end caps and mount the antenna inside

Fully Adjustable J-Pipe Pole Mount for Easy Installation of Antenna

J-Pipe for easy installation of exterior antenna is a fully adjustable J-Pipe mount for external antennas. It can be used on a flat or a sloped roof, chimney, or exterior wall of home or building. This universal antenna pole mounting assely is one of the commonly chosen antenna mount asselies because it is designed both for Yagi single

Ed''s Antennas - Home

TBJ-1 (ham) triband base antenna (144-148 MHz, 222-225MHz, 440-450 MHz) Maximum power 75 watt $60 (comes complete with pvc pipe) featured in March QST 2017 US patent 9,608,336 (postage $10-15 - depending on

J-Pole and Slim Jim Antenna Frequently Asked …

FAQ Since 2001 I’ve built and sold thousands of the J-Pole antennas. I’ve also answered hundreds of questions about installation, operation and performance. Since there is no such thing as a bad question, I’m listing the most

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