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Search results

  1. Gman

    I think this is funny!

    Many years back, my boss went on a DXpedition in the pacific. Cant fully remember where. Kure, Kingman? Sorry just dont remember. But it was rare, and there was a planet pileup. Well, I was at work getting ready for an upcoming job. Needed the Boss' hammer drill. The prep meeting at work...
  2. Gman

    Motorola TEK7A RF Sniffer

    Just curious. How many of you use this? Ive been using it over 30 years now and for me, I fly thru troubleshooting no or low rf output power problems. You can find them on ebay +/- $40. Really helps dial in what section the problem is in. I hope this helps someone.
  3. Gman

    Solar Cycle 25

    Was wondering why there was hardly any days with the solar flux around 200. Checked NOAA site, geez, it seems cycle 25 may have peaked last August 2024. Maybe another 2 years of skips, then back to the low bands....
  4. Gman

    MaCo 200 Amplifier

    So, if I were to completely ground all grids on the power tubes, would it make the amp more "reliable" along with there being a little less output power and longer tube life? I noticed the PAL amps are totally grounded grid only.
  5. Gman

    MaCo 300 amplifier

    Why do some MaCo 300 amps have 2 power transformers? The 300M schematic, Im guessing is the mobile version (12v), showing 2 transformers, well the schematic symbol for 2 transformers, but I see other chassis' with 2 transformers yet a 120 vac ac cord. The 300B schematic, I can only assume is the...
  6. Gman

    Uniden Madison MB8719 All Channels 10 khz down

    I always get the really weird ones. Bought a basket case Uniden Madison off ebay. Mods everywhere. Undid all I could figure out. Was missing the 11.3258 crystal so I added that. All LEDs burnt out (AM, USB, LSB, CH9). Channel LED missing. Mic and RF gain pots missing. Speaker and PA jacks...