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A 30 Mtr Direct Conversion Receiver

A 30 Mtr Direct Conversion Receiver
    The receiver described here is based on a design built and used by hans summers g0upl and paolo i1dfs for the reception of qrss signals in the 30 mtr band
post 25 Mar 2025



QRSS Amateur VLF operating Links

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Audio Spectrum Analyzer
This program started as a simple FFT program running under DOS

A 30 Mtr Direct Conversion Receiver
the receiver described here is based on a design built and used by hans summers g0upl and paolo i1dfs for the reception of qrss signals in the 30 mtr band

CEJ QRSS and Life Recontemplation
QRSS uses extremely simple radio transmitters at extremely low power to send an extremely slow Morse code message over an extremely large distance to extremely sensitive receivers which are extremely dependent on computers to decode


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