9A3KB - HOME PAGE

(boki9a3kb@yahoo.com) - If you miss 9A prefix on 136kHz feel free to contact me for the SKED.

My ham & electronic constructions... (last changes 14.11.2017.)

- HF amplifier 1kW with QB5/1750. More...

- HF wideband universal matching for g1 driven tubes. More...

- Kenwood TS930s power supply (by VK4AMZ). More...

- 27m high vertical ground isolated antenna with many radials under the grass (160m & 80m). See...

- How to stand up 27m high vertical antenna in one piece without any help? See this...

- More than kW remote adjustable tuner 100m away from my shack. Details...

- High-Performance Low Frequency Converter (by Tim Brannon, WA5MD - formerly KF5CQ). More...

- Old radios and instruments. More...

- High current regulated DC power supply (0-30V, 0-30A). More...

- DC power source with output voltage regulation used for 136kHz MOSFET "D" class amplifier. More...

- LF - 136kHz 250W MOSFET amplifier. See...

- LF - 136kHz 23m high vertical antenna. See...

 

 

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