j pole pvc pipe antenna distributors

Slim Jim vs. Traditional J-pole Antenna

These agree well with the real j-pole and 2BCX antennas measured in a real antenna test chaer in figure 2. At this point it’s pretty crystal clear Fred Judd’s 2BCX Slim Jim antenna doesn’t offer anything special compared to a traditional J-pole antenna.

The J-Pole or Half-Wave End-Fed Zepp Antenna

The traditional J-pole antenna is made from copper pipe. For higher bands it could be copper tubing, or even large-diameter wire. The twin-lead version is nice for its small size and weight, and how you can roll it up for travel or slide it into a PVC pipe and stand that

Improving the Super J-Pole Antenna

The traditional collinear J-Pole, aka Super J-Pole Antenna, improves the basic J-Pole. Are further improvements possible? By replacing the phasing stub with a simple coil, the answer is yes. The result is the Collinear J-Pole.

True Pluers Delight for 2 Meters An All Copper J Pole

2 Meters—An All-Copper J-P01e By Michael P. Hood, KD8JB 2323 Jefferson Drive SE Grand Rapids, Ml 49507-3148 nuer of years ago, I built a J-Pole antenna from some scrap aluminum tubing and a 5-foot stick of TV mast. 1 The antenna tuned easily, and

Building And Tuning 2 Meter 144 Mhz Copper J Pole …

27/11/2014· Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on . Sorry for the interruption. We have been receiving a large volume of requests from your network. To continue with your

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

J-pole Antenna for Public Service Edison Fong, WB6IQN WB6IQN reviews the theory of the dual band 2 meter / 70 cm J-pole 200 PVC pipe. Figure 4 — The dual-band J-pole modified for portable operation — thus becoming the DBJ-2. Note that slightly longer

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

on how this dual band principal is applied to a fully portable “roll-up” J-pole antenna. Measured results are then presented. Introduction A J-pole inside a PVC pipe has very low wind load due to the fact the PVC pipe has no sharp edges or corners. The basic

Question: - Mast extension for a J - pipe | DTV USA Forum

20/10/2010· My problem: using a J - pipe to roof mount an antenna. In the only reasonable loion, and coincidentally, where it is mounted now, there is a swamp cooler between antenna and towers. If I can raise it 3 or 4 feet, I am in the clear. Is there a mast or pipe size that

Detailed Overview: Dr Fong VHF/UHF/MURS J Pole …

15/7/2016· If the power grid goes down, your cell phone will be useless and, even if it''s still up, dialing is slow and could be impossible for someone who''s seriously injured—that''s why some sort of two-way radio is a smart part of your disaster plan. If you''ll use a VHF, UHF or MURS radio base station, this antenna designed by Dr

A 6 Meter J-Pole Antenna - N5DUX

3/4 INCH COPPER PIPE 165 INCHES (13 ft 9 inches) 3/4 INCH STAINLESS STEEL HOSE CLAMR ATTACH CENTER CONDUCTOR OF COAX cui AND AT 14 mc FROM OF 3/4".10 rrsEcr10N "FIX" ANTENNA TO MAST 2 INCH HOSE CLAMPY "U" BOLTS MAY

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, …

DIY PVC Antenna Mast - Easy, Portable, & CHEAP! | QRZ …

12/6/2015· On the top of the PVC I have a reducer with threads that I can screw in a J-Pole. Have been using it for three years now, it is out of the sun when not in use, and only used a few days a year. Being in the mountains we are always needing something higher than a HT antenna, and many times something better than the car antenna.

About - Ed''s Antennas

This is a 3/4 wavelength J-pole optimized using JSC 1220 custom twinlead. This antenna has been fully tested to 150 MPH winds using Lowe''s 23990 and 3/4 inch pvc pipe. It is totally UV protected and should last easily 10 years on a repeater mountain top.

Super J-Pole plans - GeoCities

The super J-pole built for 2 meters is around 9 feet tall, depending on the mounting stub. If constructed properly, it should give around 3 dB gain over a regular J-pole. This antenna has a surprisingly broad bandwidth, giving a VSWR of 1.5:1 or less from 133 to .

: tv antenna mast pipe: Electronics

Installerparts TV Antenna J-Pole - Reversible Antenna Mount - 1" Diameter Amplified Outdoor HDTV Antenna J-Pipe - 20" Mast Satellite Dish Mount - Beige Color Outdoor TV Antenna J-Mount 3.8 out of 5 stars 821 Electronics $17.99 $ 17. 99 Get it as

GMRS J-Pole antenna UHF radio 462mhz

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

KE4NYV Antennas Page

Antennas Basic PVC J-Pole antenna design This is a simple version of the typical 2 Meter J-Pole. This version has been slimmed down to fit inside of some standard 3/4" PVC piping. The coax must be connected 1.25" inches from the bottom of the antenna and

About - Ed''s Antennas

This is a 3/4 wavelength J-pole optimized using JSC 1220 custom twinlead. This antenna has been fully tested to 150 MPH winds using Lowe''s 23990 and 3/4 inch pvc pipe. It is totally UV protected and should last easily 10 years on a repeater mountain top.

J Pole : Building J-Pole amateur radio antennas - The …

440 Mhz J-Pole Antenna plans updated - Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions aren''t typical however, this is what it took to get its

Ed Fong antenna? | QRZ Forums

15/11/2016· Ed Fong antenna? Discussion in ''VHF/UHF - 50Mhz and Beyond'' started by KC3RN, Nov 15, 2016. KC3RN Ham Meer QRZ Page It is a roll-up, dual-band, J Pole antenna packaged in some PVC pipe. I would expect adequate performance on 2M and poor

J-Pole and Slim Jim Antenna Frequently Asked Questions …

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 frequently asked questions here.

2m / 440 Copper Pipe Super J-Pole

The 2m/440 Super J-Pole This antenna is also known as the “copper cactus” (because it kind of looks like one of course!). It is an outstanding performer, especially when you get it up in the air. A friend of mine (KC0UYK) convinced me I should build this antenna

pvcmast - j19sac - Google Sites

I have succesfully used my discone antenna, an Edison Fong, WB6IQN dual band J pole in PVC, and my Jade J Pole dual-band antenna on the mast. I was also able to tune the quarter wave ground plane antenna for the 440 band. The antenna is constructed

Build the Slim JIM Antenna

1/11 Build the Slim JIM Antenna A Unique VHF Antenna with gain over a J-Pole Jose I. Calderon, DU1ANV Makiling Amateur Radio Society (MARS) Way back in 1987, I was at the Zurich Airport, Switzerland, waiting for my plane ride back to the Philippines after

: Antenna Accessory Mast Mount Extension: …

I needed an antenna mast to mount our Davis Weather Station on our garage roof. I originally had the weather station on top of our TV antenna pole but found that it was too high to safely access the weather station. I checked my local hardware stores, and they

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 loion from California)

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