[Fwd: LF: DCF39 in the US - Bingo!]
Wed, 02 Feb 2000 10:43:32 -0500
"Holger 'Geri', DK8KW" wrote:
> Hello Lowfers,
> Dick, WA3USG has made another recording last night after 22.00 UTC. This
> time it is a five minute recording with very little disturbance or QRN.
> I had a brief look at the file this morning before leaving to my office and
> I clearly recognized the typical pattern of the DCF39 (for reason of
> simplicity I continue to use that callsign) transmissions: a short
> interruption in the carrier every 11 to 15 seconds, the length of the
> interruption (which is the data burst) is approximately 1/2 second.
> I will do further analysis of the signal tonight, additionally Dick has
> also made a recording of the other FSK frequency 139.170 kHz, on which I
> will try to identify the data burst signals.
> Anyhow, I am almost hundert percent sure that Dick (and other stations in
> the vicinity of Washington DC) received the proper station!
> Well, from the file and the Spectrogram I can tell you: crossing the
> Atlantic with 1 W ERP instead of 50 kW will be tough, but I think it is not
> impossible (considering that Washington DC is fairly South and the Burg
> transmitter is in the middle of Germany, several hundert kilometers away
> from the sea).
> Keep on trying, it will work out!
> Geri, DK8KW (W1KW)
> P.S.: I will post some spectrogram pictures of the DCF39 reception in the
> US probably next weekend.