Petlowany Three-Band Burner Antenna
- The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.
COLLINS 30L-1 HF Linear Amplifier
- The Collins 30L-1 Linear Amplifier has 1000 watts PEP power input on SSB and 1000 watts average on CW on all bands. It can be driven by the Collins 32S-3 Transmitter Collins KWM-2 or KWM-1 Transceiver, or most 70-100 watt exciters.
4 x 813's RF Amplifier Deck
- This amp project was an exercise in cheap! The design criteria was to use only components in the JUNQUE BOX