Using a Pi SBC with Shortwave Radio

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Figure 1: The DIP socket in the little SDR board is populated for a BPF.

New Orleans Coast Guard weather fax operates at 4.317 MHz, so it is far outside of the default (7 MHz) filter bandwidth of the little sidecar SDR. Currently, I have no bandpass switching arrangement in the sidecar, so I have to pull and insert different 16 pin dip sockets loaded with the correct components for the BPF for the frequency I’m using.  Yes – that is a little inconvenient …

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About ronaldscheckelhoff

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