PA0O ham radio

Last night 14  decodes of WD2XSH/17  best -14 Seems like every night different  challenges Murphy is around all the time. Antenna current dropped to zero every now and then with some relation to the higher voltage. Basicly 3 things could be wrong: Antenna, cable or Variometer . The last thing would be the worst but this Hagenuk Variometer is very professional build Thick Litze coils  4mm  and all coated with a thick layer  epoxy.  Culprit was old army RG213  PL259 brown isolation type This is a short cable to the outside tuner. I was using it for 160m also. So this 475 TX is a good weak spot tester. And the TX with IRFP4227 can survive even short circuit in the antenna.                                                        Hagenuk Had my best TX result last night  140W DC input More ...