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Old September 5th 03, 11:35 PM
Jim Shaffer, Jr.
 
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On 05 Sep 2003 20:37:59 GMT, (J999w) wrote:

Sounds like the USCG ... got one here in Milwaukee 297khz ... sounds like RTTY
(teletype) ... it's 30db over S9 here ... makes a nice reference signal for
antenna work. I forget the official name for this type of LW service.


NAVTEX is only broadcast on one frequency (518) as far as I know. I wonder if
you might be hearing Differential GPS?

Speaking of longwave, I have a loud digital signal on 100 kHz. Does anyone know
what it is? LORAN?