Ei5LC & Ei4KU
How to build a Multiband Vertical Antenna ,
Topband Half-Loop ,
HF Rhombic
Death of a Trojan
An older issue of the Antennenbuch, by Karl Rothammel (Silent Key Y21BK)
Radio related links
Today's power supply charts:
batteries: house 25.3056v , network 25.3292v , radio 25.4072v
generators: solar 25.042v , wind 0v
regulators: 13.699v , 4.978v