On Sun, 2009-01-18 at 18:27 -0500, Bwana Bob wrote:
> It is nice to know that someone other than hams is using cw!
>
> My old copy of Grove's Shortwave Directory lists several freqs in the
> 80m band as being used by the Russian navy.
>
> Aren't there some weather codes that make use of 5 letter code groups?
METAR uses 5 digit groups but four for the callsign. And ships report
METAR data regularly. The rules specify a particular order of the
groups, but not all observers can or have read the rule book. A few
years ago I wrote software to decode the data and it had to be versatile
to identify the group by content and sometimes neighbors, not just the
leading digits.
> Four letter callsigns, like you copied are reserved for ships, if they
> are legitimate. If so, KMBL would be U.S. and 5HMX would be Tanzania.
> That doesn't seem likely, so it probably is encrypted military or other
> clandestine traffic. Over the years, Russian ships have appeared on 20
> meter cw, as well.
>
> A couple of days ago, I copied several long strings of 5-letter groups
> on 8096 kHz. The sending station never id'ed. I've also heard "strange
> cw" on 3446 kHz, which seemed to be a net because I heard more than one
> station.
>
> Is there an e-mail reflector for this ute stuff?
>
> 73,
>
> Bob WB2VUF
>
73, Jerry, K0CQ
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