Hello Rik,
Somehow I had not seen that before! It is excellent and answers
almost all my questions.
I'm still curious about one thing. QSB can be a big problem (as with
EME, hi). This can make it difficult to know exactly when a station
has stopped his transmission. Is the timing always "random" or are
timed TX/RX periods sometimes used? It seems like it would be easier
with timed sequences. The only difficulty I see is correctly
calculating how much time will be needed to send the longest
expected message in a QSO. It takes me half a sheet of paper and a
lot of scribbling to figure that out. ;-)
I'm very interested in this subject since it is my dream to complete
a trans-Atlantic QSO on 2200m when I get enough TX power.
73,
Paul N1BUG
On 02/04/2018 05:58 AM, Rik Strobbe wrote:
Hello Paul,
"I am looking for information on QSO operating procedures for QRSS. I have only seen
it used for beaconing."
See
http://www.472khz.org/pages/technical-topics/weak-signal-modes/extreme-narrow-bandwidth-modes.php
(scroll down to "operating practice").
Maybe we should organize a transatlantic QSO party? JT9 and QRSS maybe the best modes for
most of us, the "big guns" can try FT8 or plain CW.
73, Rik ON7YD - OR7T
________________________________________
Van: [email protected] <[email protected]> namens
N1BUG <[email protected]>
Verzonden: zondag 4 februari 2018 11:47
Aan: [email protected]
Onderwerp: Re: LF: MF/630M
Just think how many trans-Atlantic QSOs could be made. Some, like
myself are very interested but the primary problem is no one awake
on the east side of the pond at the right times!
I have seen signals strong enough for normal CW only a few times.
JT9 would be easy and requires only about 3 dB more signal to decode
than WSPR2. I am looking for information on QSO operating procedures
for QRSS. I have only seen it used for beaconing.
I've been off MF for a while as I put up a temporary HF antenna to
work the Bouvet DXpedition and it severely messed up tuning of the
MF antenna. Now that the Bouvet trip has been aborted I will be
taking that antenna down and returning to MF as soon as I get a
reasonable weather window. I will likely be on MF for a week or so
before moving to LF.
73,
Paul N1BUG
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