13 Jan 2002 3552kHz

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capt0301131901.jpg (152896 bytes)

This rather nice Doppler plot shows a patch of night-time Es followed by the arrival of the F layer at 0715. The E layer may have arrived by 0830 but this is soon masked by the D layer which absorbs the signal. In the case the transmitter is about 200km from my location. The characteristics of the night-time Es look very different from the turbulent F layer returns.



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