PA0O ham radio

My first ever 137kHz  HAM signal  G8IMR  -23dB    on the IC706 USB + preamp.  I listened  only 15 minutes on 137 it became too late already again  glad that it worked  i saw 3 traces of G8IMR    it decoded 2 times. The tracking screen was relative clean although the DCF39 was still s9 in the USB filter  of the IC706. There where some weak thin lines drifting  and clearly distinctable the frequency stable and exact timed  trace of G8IMR. Last night I finished my preamp http://ea4eoz.ure.es/lfpream.html     thanks Miguel  A. Vallejo, EA4EOZ Although  it is a simple thing it took me 2 evenings  to build and get it working. Needs a small  modification for use with a 50 Ohm signal source  like my K9AY antenna.  It did not work  with the high impedance C 33p  input antenna...