An improved 40-80 double extended zepp
- Article originally published in ARRL compendium by N6LF revisits the classic double extended Zepp to improve pattern and SWR bandwidth.
The DEZepp is essentially two end-fed collinear
Remotely-tuned loop antenna for LW and MW
- This article describes how to build a loop antenna for low frequency (LF) and medium wave (MW) reception with remote-controlled tuning. The antenna is extremely sensitive and can be built mostly from parts from old radios and tape recorders. Like all loop antennas, it is highly directional, which allows you to null out unwanted noise sources.
NO6PW San Francisco Ham Radio Club
- SFHRC - San Francisco Ham Radio Club, formed December 1,1998, to conduct activities to advance the general interest and welfare of Ham Radio in San Francisco and neighboring communities of the Bay Area.
QSY Society Amateur Radio Club
- The QSY Society is a group of amateur radio enthusiasts dedicated to having FUN with the hobby, while still fulfilling the stated goals of the amateur radio service. The majority of our membership comes from the Mid-Hudson region of New York State
30 meters digital group
- Group dedicated to 30 Meter digital activity on this unique HF band! All licensed Hams and SWLs anywhere are welcome to join in. Include live PSK 31 receiver, dx spots and event calendar