VHF-index of pa0nhc technical HAM pages.
20150407 / 201701231
Since 20150113 this site is located at:http://www.pa0nhc.nl/ (C)
The use, copy and modification of all info on this site is only permitted for
and thereby explicitly mentioning my radio amateur call sign
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update : 20180124 144MHz ARDF direction finding receiver.
Optimal receiving properties :
144 - 145.4 MHz.
Very sensitive (0.22 uV AM)
Max input 12 mV.
Very good selectivity.
Power : 9V @ 20 mA max.
Most components wired, readily wound coils, or self wound coils on
Cheap die cast ALU box.
also the 80m