“Join us for a webinar on Feb 16, 2017 at 9:00 PM EST Register now! –
JC N4IS covers the concepts and decisions to build your own WF low band high
performance receive antenna. Topics include:
1- What is a Waller Flag
2- Horizontal or vertical poles.
3- Common node noise, and detuning towers or TX antennas
4- Phasing lines and transformers
5- Feed lines and chokes
6- Preamplifiers, filter and R/T switches
7- How to measure pattern (polar plot)
8- How to test and evaluate results.
Icom’s new PoC (Push-to-Talk Over Cellular) radio system allows you to communicate with your two-way radio system over a 4G / LTE closed network. Now... Read more
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“Dummy Loads” is the topic of the new (August 16) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
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This is a new DMR HT from Hytera made for the Amateur Radio Community. In this episode I will show the menu of the radio and the CPS software, and key... Read more
Ham College 43 – General Amateur Radio Exam part 14. Emergency Communications, Skywave propagation, and Yagi antennas.
Ham College episode 43 is now available General Amateur Radio Exam part 14. Emergency Communications, Skywaves, Yagi Antennas Read more
Join Dave and Trevor discussing Ask Dave questions related to power supplies and other issues Read more