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Service Providers >> Satellite Connection in Africa >> Tropical zone propagation https://www.satsig.net/cgi-bin/yabb/YaBB.pl?num=1191185302 Message started by sganaye on Sep 30th, 2007 at 9:48pm |
Title: Tropical zone propagation Post by sganaye on Sep 30th, 2007 at 9:48pm
Dear friends,
I was considering iDirect 3100 satellite for the Central African Republic but after reading you guys with more experiences, i wonder which type of satellite internet is suitable for our tropical zone with 6/7 months of rainy season. Can you help with advice before i purchase it? i will very much appreciate it. best regards Steven |
Title: Re: Tropical zone Post by janewanjiru on Oct 1st, 2007 at 8:51am
Hello Steven,
Please have a look at this link www.future-b.eu - go to 2-way Satellite and click on AMC 12 (now NSS10) - this is a C-band satellite - the pricing will come up with various contention ratios. C-band is recommended for areas with intense rain. Coverage of CAR is very good. Regards, Jane. |
Title: Re: Tropical zone Post by SatTerra on Oct 2nd, 2007 at 10:04pm
You will experience longer periods of rain-fade (signal loss) in the Ku-band than in C-band. To mitigate, opt for larger apperature antenna whether in Ku or C band where possible to gain valuable C+N/N. There are many published articles that discuss this subject, just Google "rain fade". Best of luck.
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Title: Re: Tropical zone Post by Forum Admin on Jul 15th, 2008 at 8:43pm
If you choose C band operation, as C band is less affected by rain than Ku band, then make sure you choose a C band system that uses circular polarisation.
C band linear polarisation is unsuitable for use in the tropics due to faraday rotation in the ionosphere, which will causes you intermittent cross pol interference. Linear polarisation in C band is not too bad at the higher latitudes, away from the equator. Best regards, Eric. |
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