G4DYA

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G4DYA
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  • HF Emergency broadcast frequencies

    G4DYAG4DYA

    The HFCC (which coordinates HF broadcast assignments) tries to keep one frequency in each HF broadcast band in reserve for emergency use, which they call International Radio for Disaster Relief (IRDR). More here:

    http://www.hfcc.org/humanitarian/

    Powernumpty

  • Kiwi BBAI software installation instructions [updated 4-Mar-24]

    G4DYAG4DYA
    I'm attempting to provide cooling for a BBAI in a Seeed case. Without the end plates, two 5V 25mm fans side-by-side works well.

    First, I installed the AI but didn't use star washers next to the board -… (more)
    HB9TMCPowernumptyrz3dvp

  • Kiwi BBAI software installation instructions [updated 4-Mar-24]

    G4DYAG4DYA
    I'm attempting to provide cooling for a BBAI in a Seeed case. Without the end plates, two 5V 25mm fans side-by-side works well.

    First, I installed the AI but didn't use star washers next to the board -… (more)
    HB9TMCPowernumptyrz3dvp

  • GPS antenna alternatives

    G4DYAG4DYA
    Just to add to this dormant thread, yesterday I installed a PCTEL GPS-TMG-40N antenna with low-loss feeder and it certainly does the trick. I went for the 40 dB version so there's plenty of signal in… (more)
    WA2ZKDPowernumpty