WSPR 3: A Modest Proposal

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WSPR 3: A Modest Proposal

WSPR uses one audio channel.

Why not feed a GPS 1 pulse per second into the other
audio channel? This would give precise time to allow
WSPR to measure propagation delay. (Assume both ends
have the time sync.)

With this information the height of the reflective layer
could be estimated and long paths identified.