The two meter J-Pole is tuned for maximum efficiency at the 2 meter band where the SWR is or less at MHz. It is a pretty good performer on the UHF. Although traditional VHF J-pole antennas will resonate at UHF, they suffer a –6dB loss at UHF over a ¼ wavelength groundplane. We see many claims of dual band. Amateur Radio Supplies builds these high quality portable J-Pole antennas in Haverhill, Massachusetts. All of the components are made here in the United. Drill a 1/4" hole at the place where the "J" goes. Make the "j"out of 1/4" soft copper, Solder it in place thru the hole and add the cable. Cost about $6 using. Drill a 1/4" hole at the place where the "J" goes. Make the "j"out of 1/4" soft copper, Solder it in place thru the hole and add the cable. Cost about $6 using.
Technically, the Pockrus™ J-pole Joystick™ antenna is a dual-band (2 meters and 70 cm) open-stub, half-wave J-pole antenna. As a vertical radiator, it has a. Shop inch Outdoor J-Pole Mounts from Bolton Technical. Perfect for outdoor mounting of antennas of all shapes and sizes. Great deals on J Pole Antenna. Be prepared and able to communicate in case of emergency with the largest selection at emgora.ru Fast & Free shipping on many. Alpha Antenna - 10 meter j pole antenna. Shop inch Outdoor J-Pole Mounts from Bolton Technical. Perfect for outdoor mounting of antennas of all shapes and sizes. Essentially, a J-pole is a 1/2 wave resonant antenna connected to a quarter wave matching stub. The feedline is connected at a point on the matching stub that. Roll up this halfwave 2 Meter J-antenna and stick it in your pocket. This MFJ Pocket Roll-up is the perfect gain antenna for traveling. The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a.
The Antop J Pole AT – Outdoor TV Antenna Mount, with weather–resistant material, will not rust out in a short time, ideally for outdoor use. The including. Roll up this halfwave 2 Meter J-antenna and stick it in your pocket. This MFJ Pocket Roll-up is the perfect gain antenna for traveling. This review is for the 6 thru 80 meter J-Pole Jr. At 34 foot long this antenna at a 80 degree sloping angle does not need a tuner. Antennas · 2 Meter Amateur Radio J-Pole Antenna · MHz Land Mobile (GMRS) J-Pole Antenna · 2 Meter Slim Jim Antenna · UHF MHz Slim Jim Antenna · NOAA. To build an antenna, begin by cutting a section of copper pipe to length A (see Table). Cut two pieces of pipe to length B, and cut one piece to length S. Also. Shop for Dual Band J Pole Antenna at emgora.ru Save money. Live better. This antenna is based on the same ideas as my 2 Meter J-Pole construction plans. The j-pole antenna is basically an end fed half wave dipole that uses a 1/4. There are several features which make the ubiquitous Twinlead J-Pole antenna a good addition to your emergency grab-n-go kit. When rolled up, it is an extremely. Buy Installerparts TV Antenna J-Pole - Reversible Antenna Mount - 1" Diameter Amplified Outdoor HDTV Antenna J-Pipe - 20" Mast Satellite Dish Mount - Beige.
The J-Pole antenna, more properly called J antenna, takes its name from the similar appearance to the letter J. Patented in by dr. Hans Beggerow, was used. Hang this 6 Meter J-pole in the clear and enjoy some exciting DX QSOs. Omnidirectional full size 1/2 wave antenna with low angle radiation outperforms 1/4. This man builds VERY HIGH QUALITY antennas. I have bought 2 now. He has great knowledge in what he does and as I said I bought 2 I was so pleased. It might take. You can see the gain is dBi and it is just a simple dipole just over 1/2 wave high. Any antenna we model should be compared to a standard like a dipole over.