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Search results

  1. sp5it

    Looking for a CB / meter rig? Maybe 12m too?

    Find another 100-150 and get second hand Xiegu G90. Mike
  2. sp5it

    Who else thinks they are blocking the skip with chemtrails or haarp?

    https://www.qsl.net/w2vtm/hf_solar.html
  3. sp5it

    What is your favorite brand of antennas

    Homemade is my favourite too. BTW that sy27 is very poorly built. Mike
  4. sp5it

    Mast Material / Metal ?

    Where it's located?
  5. sp5it

    Good entry level

    You need that for antenna tuning or power monitoring?
  6. sp5it

    DC Grounded Base Load Antenna vs 1/4 Ground Plane mobile antenna

    (Almost) every radio have resistor on antenna input that makes any antenna be DC grounded. You can add resistor to GP antenna if you wish. 100kOhm 2W will work easily up to 1kW. Mike
  7. sp5it

    dx-959

    Audio amp. Not that difficult to find on the schematic.
  8. sp5it

    Power supply problem/info needed

    What capacitors did you use on input and output of LM?
  9. sp5it

    Power supply problem/info needed

    Do you have caps installed at the 7805 as datasheet show?
  10. sp5it

    Power supply problem/info needed

    Ground loop maybe. Can be bad circuit, or no ground for LM7805
  11. sp5it

    Yaesu FTDX10 versus FT-710

    After all radio is just an addition to antenna field.
  12. sp5it

    Realistic HTX-100 button beep removal?

    Remove R413 from CPU board or disconnect cable marked red. Mike
  13. sp5it

    6666 40w max.

    Measure on dummy load. Use a oscilloscope, keep input voltage @13.8V under load. Mike
  14. sp5it

    dx2517 voltage regulator

    2sa1869 is up to 3A , 7808 is just 1A. Is it enough in that case? Mike
  15. sp5it

    dx2517 voltage regulator

    Check Q35, D72 and Zener D73.
  16. sp5it

    SR-955HPC capacitor C54 identification? SMD

    It's 10nF, not 100nF 103 mean 10 000 pF
  17. sp5it

    VK0DS Macquarie Island

    Sorry to ruin your day, but it is AN-016 dxcc #013 Antarctica.