Broadband LinkStar outlink from Europe to Africa, Eutelsat W3A satellite link budget

The outlink is expected to comprise a full transponder.

The input figures below are all estimates.  You may overwrite the figures with your own assumptions.

Links: Up to LinkStar Turin Eutelsat W3A Africa satellite internet service
          Sideways to Return link-budget from Africa to Turin

Amend any white boxes and then click any calculate button to obtain results in the green boxes.

Uplink frequency GHz
Uplink antenna diameter m
Uplink antenna aperture efficiency e.g. 0.65
Uplink antenna transmit gain dBi
Uplink antenna, power at the feed W
Uplink EIRP dBW
Range (35778 - 41679) km
Uplink path loss dB
Uplink pfd at satellite dBW/m^2
Bandwidth Hz
Satellite uplink G/T dB/K
Uplink C/N dB

Downlink frequency GHz
Downlink receive antenna diameter m
Downlink receive antenna aperture efficiency e.g. 0.65
Downlink system noise temperature (antenna+LNA) K
Downlink receive antenna gain dBi
Downlink receive antenna G/T dB/K
Downlink satellite EIRP dBW
Downlink path loss dB
Downlink C/N dB

Uplink C/interference dB
Uplink C/N dB
Satellite C/intermod dB
Downlink C/N dB
Downlink C/interference dB
Total link C/N dB


Web site Africa page broadband satellite internet in Africa, inc. Mozambique and Botswana     

Explanation of satellite links

Any problems or comments please e-mail Eric Johnston     Web site home page broadband satellite internet

Copyright © 1 Jan 1999 Satellite Signals Ltd All Rights Reserved
Last Revision: 14 March 2004, 15 Marl 2005,  30 Sept 2005