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[Igor Gontcharenko]

05.08.24. The article SAT filters. 145 / 435 MHz and 435 / 145 MHz filters for full duplex.

20.07.24. The article Initial / recovery of the power RF tubes. Step-by-step block diagram of the technology of this procedure for any power tubes.

04.03.24. The article Short 3 element Uda-Yagi 50 MHz. Lightweight shortened 3-element Uda-Yagi beam for 50 MHz with square design.

18.02.24.  The article WARC GP, tube. Three resonances 10, 18 and 24,9 MHz without switching.

02.05.23. The article Grounded GP 14-28 MHz. Five amateur bands + CB on a mast 4,4 m without an insulator.

24.02.23. GP 7/10/14/18 MHz. 10.1 m high with smple switchable LC match circuits.

[Igor Gontcharenko]

31.10.24

The article Beverage on ground. This article describes one possible BOG implementation for the 1.8 ... 7 MHz bands.