At 15:05 UTC, ZL1CDP has appeared on my RX screen listening at Twente SDR http://websdr.ewi.utwente.nl:8901/
Perfect copy with a S/N of -23 dB, Fade Marge only 3dB using ROS8/2250.
In this case using ROS16 the contact had been impossible (Marge 0 dB) so, for long distances and low power, the best options are ROS8 or ROS4.
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