Dual Band VHF UHF Base Antenna (Ham, Commercial, MURS, GMRS, FRS) DBJ-1

DBJ-1 Dual Band (VHF/UHF) Base Antenna. Check out our review in the Miklor website. Dual Band Base Station VHF/UHF J-Pole - Available in HAM (144-148 MHz and 440-450 MHz) or Commercial (152-157 MHz and 460-470 MHz). Maximum power input 75 watts. This antenna was featured in the Feb.

2003 QST and designed by Dr. Ed Fong WB6IQN (formerly of UC Berkeley and now at UC Santa Cruz-Silicon Valley). It is the same antenna that appears on the front cover of the ARRL VHF/UHF Antenna Classics Handbook.

It also won the best paper of the month award. It offers true ½ wavelength performance at both VHF and UHF with no ground radials. That antenna is not the same. Most are standard VHF j-pole that resonates at UHF (all antennas do that).

All our materials (such as the twinlead are custom manufactured for us by JSC wiring to assure velocity factor consistency). SWR is less than 1.3 to 1 on both bands. I have my students build these (and often myself) as an exercise.

The proceeds are shared among my students. The antenna has been so successful that it has been adopted by the Red Cross, ARES and numerous municipalities for emergency deployment. Copies of these agencies evaluation reports are available by emailing me. Every antenna is hand tuned (by me or my graduate students) to meet specifications. The proceeds of this antenna go to my graduate students.

This antenna is complete with exception of the 5 feet of ¾ inch Class 200 PVC pipe needed for the antenna. The antenna is pretuned for 144-148 MHz and 440-450 MHz for ham bands or 152-157 MHz and 460-470 MHz commercial band/MURS/GMRS. When deployed, it will give about +6dB of gain over a rubber duck antenna. It comes complete fully assembled with end caps and an SO-239 connector. Just insert it into the PVC pipe and you are ready to go. There is no charge for an N-connector. I can also be contacted at - edsantennas "alfa tango" "golf mike alfa india lima" 73's Ed Fong WB6IQN. The item "Dual Band VHF UHF Base Antenna (Ham, Commercial, MURS, GMRS, FRS) DBJ-1" is in sale since Monday, June 15, 2015.

This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "antennas_iqn" and is located in Sunnyvale, California. This item can be shipped to United States.

To Fit: Base Station Radio
Compatible Brand: Comet, Diamond
Brand: The Antenna Factory
Model: DBJ-1
MPN: DBJ-1
Frequency Band(s): VHF
Directivity: Omni-Directional
Country/Region of Manufacture: United States
Country of Manufacture: United States