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I will
try to catch you Markus, although I do not have
my best equipment available
today.
la5vna s
Den 27.10.2012 23:59, skrev Markus Vester:
Currently testing JT9-2 on 137420, transmitting during even
2-minute slots.
73, Markus (DF6NM)
Sent: Saturday, October 27, 2012 10:26 PM
Subject: Re: LF: JT9: A New Digital Mode for MF
and LF
This is exciting news being a 2-way mode, especially as it is
9-FSK, so doesn't need a linear PA. With bandwidths as small as
0.4Hz for the long version, no-one will be complaining about how
much bandwidth all this digital stuff takes. Unlike OPERA, the
software will be well documented and open source.
There is a danger that, with too many digital modes now available,
the activity may be spread too thinly, a point Mal raised some
time back I believe Somehow though I suspect JT9 will rapidly
become the de-facto digital mode on 472kHz and 136kHz.
I hope that one of the internet databases - PSK Reporter I guess,
or perhaps an equivalent to WSPRnet - will be able to display JT9
activity as this was one of the great bonuses with WSPR beaconing.
I may give it a go on 500kHz next week.
73s
Roger G3XBM
On 27 October 2012 21:00, Stefan Schäfer
<[email protected]>
wrote:
Oh, now Joe has lifted the
secret ;-)
He released the mode 2 days ago and a first update yesterday.
Now it really gets complex which mode to choose. WSPR, Opera,
JT9...
But as a digital mode for LF i gues JT9-30 is the most
promising at all.
73, Stefan/DK7FC
--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
https://sites.google.com/site/sub9khz/
http://qss2.blogspot.com/
--
LA5VNA Steinar
loc:jo59jq
www.opera.no
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