Home page of Satellite Internet and Information

Satellite Internet Forum.

Welcome, Guest.
Welcome to this satellite broadband discussion forum. Wherever you are and whatever your problem we are here to help each other. Connecting to the internet via satellite is not always easy but is critically important to those in remote places or with poor terrestrial infrastructure. Service providers and customers are encouraged to contribute. Register at the bottom of the forum home page if you wish to contribute or ask a question. VSAT service providers and satellite equipment sellers may feature their products free of charge; just register and get posting. Paid-for adverts, top left and top right, on all forum pages, are also available. Read the Forum rules.
      Home            Login            Register          
  Satellite Internet forum › Satellite Connection in Africa › Tropical zone propagation
Pages: 1

Tropical zone propagation

(Read 3230 times)
Ex Member
Ex Member
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
Back to top
« Last Edit: Jul 15th, 2008 at 8:45pm by Admin1 »  
 
IP Logged
 
Ex Member
Ex Member
Reply #1 - 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.
Back to top
 
 
IP Logged
 
Ex Member
Ex Member
Reply #2 - 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.
Back to top
 
 
IP Logged
 
Admin1
YaBB Administrator
★★★★★
Offline



Posts: 984
Reply #3 - 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.
Back to top
 
WWW  
IP Logged
 
Pages: 1

Email me: eric@satsig.net

Powered by YaBB 2.5.2!
YaBB Forum Software © 2000-. All Rights Reserved.

Disclaimer, Terms of Use and Privacy   Forum User Agreement   Forum rules   Cookie policy.