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The first time I heard that HAM radio existed on this planet was in 1979.
That time I was a university student. A very nice introduction book about HAM radio got into my hands….
Two year later in 1981 I received my first call UL7LBI. The next one was UL7LG as I moved to the first class license and I am VA6AM now.
The primary interest is a contesting part of our hobby, partially equipped by home made devices I’ve made.
My previous calls are UN7LG, UL7LG, UL7LBI (since 1981).
I’ve been VA6AM since 2000.
- I started my Triplexer and Band-pass filter projects while building my station to be used in SO2R category in 2013.
- Soon after I’ve published my low power triplexer schematics many asked me to share the design and provide a triplexer PCB board.
- Later, I challenged myself to build a High Power gears, like Diplexer, Triplexer and Bass-Pass filters.