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Saturday, December 29, 2012

He Should Have Used a Low Pass Filter!


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1 comment:

  1. Or pick a frequency other than 104.7, whose third harmonic doesn't fall on the 315 MHz US remote keyless entry system. But yes, every Soldersmoker (or rosin snorter) will know the importance of LPHs on even the QRPest transmitter.

    Over in the UK, and I believe in most of the rest of the world, the remote keyless frequency is 433.92 - which has led to some fun times with local 70cm QRO merchants and nearby car parks. I don't know why the regulators chose that frequency. You'd have thought... ah, who can tell.

    73s, Rupert, G6HVY


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