[IRCA] Sunset in Salvador (Brazil) - SpecLab trace
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[IRCA] Sunset in Salvador (Brazil) - SpecLab trace



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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