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#1
10-14-2009, 01:26 PM
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1700 Mile Tropo in Portugal
Hi
Received Crioula FM from Cape Verde on 88.5 MHz in south Portugal. Distance around 1700 Miles via tropo.Audio file posted,there is a brief reference to Cape Verde just after 2 minutes into the recording. Using a Sony XDR radio and a narrowband tuneable FET preamp plus a 6 element antenna at 30 ft. This would make a good sporadic E target on North America possibly. Website here but the streaming doesn't seem to work for me. http://www.crioulafm.cv/online/online.html Hugh 
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#4
10-14-2009, 02:54 PM
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Congratulations, Hugh. Very impressive, right up there with the California to Hawaii tropo ducting, possibly the longest FM tropo to be documented with audio recordings?
Do you have any idea what kind of power levels or antenna heights these stations are running?
__________________
Bryce Foster - KG6VSW Murfreesboro, TN EM65 www.kg6vsw.com Equipment: Sony XDR-F1HD and Sangean HDT-1X receivers Dipole antennas and Winegard 4 element beam in 2nd floor apartment
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#5
10-14-2009, 03:07 PM
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Hi
Thanks. Power is a few KW I think. More info on www.fmlist.org and select CPV as a country after logging in as a guest. Radio ham CT1HZE in the extreme west of the Algarve S Portugal is currently in contact with Cape Verde on 144MHz Hugh Last edited by mrhoover; 10-14-2009 at 03:16 PM.
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#6
10-15-2009, 01:35 PM
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No Cape Verde as yet today but Canary Island tropo continues.
This might be of interest. http://www.df5ai.net/ArticlesDL/Atla...ropoAug05.html Hugh
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#7
10-16-2009, 12:02 PM
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The attached sound file shows the 88.5 MHz Crioula FM signal recorded today around 1600 utc.
Around 1 minute in the FM preamp is disconnected and the antenna connected direct to the Sony XDR 1 radio,audio is much quieter.After 1:30 the preamp is reconnected for the rest of the recording. The DJ is quite "excited" he keeps on saying "Bom Fim De Semana" in Portuguese which is have a good weekend! The signal isn't often as clear as this,a Spanish speaking signal fades up which is probably from the Canary Islands,around half the distance but exactly the same direction! Hugh Last edited by mrhoover; 10-16-2009 at 12:21 PM.
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#9
10-17-2009, 02:00 PM
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Attached a clip of RCV 91.6 fading up.
It starts with weak music from Cape Verde and talk from Cadena Dial 91.6 Tenerife,Canary Islands (Reference to "Tenerifeh" at 0:17 and 0:34) around 800 miles out and then and id from Cabo/Cape Verde at 0:48 with the signal gradually getting stronger.Spanish time tones can be heard at 1:25 under the Cape Verde phone in. Hugh Last edited by mrhoover; 10-21-2009 at 12:53 AM.
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#10
10-20-2009, 09:08 PM
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Wow, excellent catches! Congrats
__________________
Michael T-S Egg Harbor City, NJ Yamaha T-80 w/ Conrad RDS manager Boston Acoustics Recepter HD Sony XDR-S3HD APS-13 @ ~35' / Comet CX333 @ 45' (Temporarily offline for movement to a higher location) APS-9B @ ~25' indoors/mobile RS 6 Element@ ~25' indoors/mobile 39º 31' N 74º 39' W FM29qm
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