What Is Possible?
This is the interesting question and perhaps the whole point of
trying.
It is known that on 70mhz there are various and variable modes
of propagation.
Wspr requires a couple of minutes of a relatively stable path
(one minute might
produce a spot). This is a relatively long period of time and
signals are
subject to various forms of distortion (doppler, aircraft
scatter etc.)
It would seem logical that spots could be made across the
Atlantic. This would
require as a minimum the following:
1) Someone to spot.
2) Someone transmitting.
3) Conditions which were favourable - easy to write!
As more people try I expect distances will improve. My personal
best is just
over 1000 miles. Very poor by HF standards. Yet somehow much
more
satisfying.
My personal best - SO FAR!
My thanks to IZ6QZB.
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