It is a DGPS (Differntial Global Positioning System) transmission from
Louisville, KY, transmitting on 290kHz. You can get more information he

http://www.navcen.uscg.gov/dgps/default.htm

Click on Site Statue (left side of page) and find Loiusville, KY.

Al KA5JGV
San Antonio, TX



wrote in message
ups.com...
Does anyone know what the FSK signal
on 289.6KHz is? While experimenting
with a new feed line I found this signal.
In Lexingotn KY it is a S6 and has been
steady for the last 12 hours.
And does anyone have a suggestion for
a freeware FSK demodulator? My MFJ1278
only shows garbage.
Terry