The grid expedition to DL79 and DL99 two weeks ago found that ISCAT
would make QSOs under marginal conditions that wouldn't support FT8 or
MSK144. Last night, AG6EE and I tried it over a path of 40 miles or so,
and were unable to decode either Mode A or Mode B, even though the
signal was clearly audible. Both of us are running the 64-bit version.
MSK144 and FT8 work fine over the same path. Petr is in a rather noisy
QTH, while mine was quiet last night. FT8 worked down to 50W on my TX
and 2.5W for his TX.
Just now, I repeated the ISCAT test with K6EU, about 30 miles away, with
the same result. He's running the 32-bit version. Both of us have used
ISCAT for years.
73, Jim K9YC
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