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[IRCA] Sunset in Salvador (Brazil) - SpecLab trace
- Subject: [IRCA] Sunset in Salvador (Brazil) - SpecLab trace
- From: Paul Crankshaw <paulc@xxxxxxxxxxx>
- Date: Fri, 10 Aug 2007 21:58:01 +0100
I ran SpecLab this evening so see if I could detect the carrier of 740
kHz Radio Sociedade da Bahia (Salvador, Brazil) and it came up
beautifully, almost as if it had been switched on, at sunset in Salvador:
Copy of trace:
http://paulc.mediumwaveradio.org/images/740.jpg
Time on the trace is BST (UTC+1).
Sunset in Salvador was at 2028 UTC and the yellow trace shows random
'peak frequencies' until 2026 UTC when a carrier is detected at 10 Hz
above the nominal frequency of 740 kHz
The green trace shows the strength of the signal rising above the noise
(red)
Paul
Troon, Scotland
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