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Search results

  1. sp5it

    Traffic light led noise and such

    Too wideband. No chance to block them.
  2. sp5it

    Band pass filter

    Broken AGC?
  3. sp5it

    New President Washington Mobile Radio?

    I sense another CB crap with catchy name and no service manual.
  4. sp5it

    Quad 6 or RCI 2970?

    Why chickenbander for 10m DXing? Just curious. Mike
  5. sp5it

    Great Movie

    My all time favourites:
  6. sp5it

    Spectrum analyzer replacement ideas???

    TinySA https://www.tinysa.org/wiki/
  7. sp5it

    Mobile Ham operations banned?

    In Germany since July 2021 you can't hold microphone in hand while driving. Mike
  8. sp5it

    What happened with...

    Just digging through old threads. Anyone know what's happened with: https://www.worldwidedx.com/members/jay-in-the-mojave.120/ https://www.worldwidedx.com/members/bob85.18/ Mike
  9. sp5it

    BEST STOCK UNAMPLIFIED CB HAND MIKE

    I connect microphone to PC and run Spectraplus software. Mike
  10. sp5it

    Water in coax

    All my Yagis are direct fed with choke balun. No issues with direction skew observed. Mike
  11. sp5it

    Tower switching service as antenna

    Common practice is using Yagi as top hat capacity and tower as antenna for kow bands. Maybe it was that? Mike
  12. sp5it

    preamp

    Plenty on google. Did you try look for them?
  13. sp5it

    100 amp power supply

    Grab Astron RS70A schematic, use stronger transformer, add a few more 2n3771 and you have nice 100A PS. Or... buy 100A+ server PS for 100$+ https://www.ebay.com/itm/325915930275 Mike
  14. sp5it

    Imax 2000 Ground Plane Kit Worth it?

    https://www.w8ji.com/end-fed_vertical.htm#IMAX Should help. Mike
  15. sp5it

    Water in coax

    Replace coax. Seal it properly this time. Mike
  16. sp5it

    Need advice powering new M-70 Mic for my Yaesu ft-1000d

    Pretty easy to DIY. Just get plugs, cable and 5V PS. Than I can guide you. Mike
  17. sp5it

    New Antenna very high SWR

    That antennas need counterpoise, not grounding.
  18. sp5it

    President Grant PC-999AC (MB8719) No Receive/ No PA issue.

    Sorry, I looked to PC-999 schematic. Anyway, output pin 6 of audio chip should have steady 1/2 power supply voltage. Mike
  19. sp5it

    President Grant PC-999AC (MB8719) No Receive/ No PA issue.

    What's a voltage on IC6 pin 5? Mike
  20. sp5it

    Question about SSB Biasing.

    AM also need biasing. Otherwise amp is not linear and produces distorted signal. Only FM it doesn't. Mike
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