Satellite Link Budget for: VSAT SCPC / DAMA point to point voice service, 8 kbit/s, as use in Skylinx equipment

A mesh network using 1.8m diameter antennas is assumed, operating in a Eutelsat European coverage beam.

You may amend white boxes and then click any calculate button to obtain amended 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

Pre-calculated link budget with useful default parameters inserted (may be amended and recalculated)

Digital television broadcasting - MPEG satellite link budget
Data broadcasting or data distribution satellite link budget
Line of sight link radio budget - one way - single hop
Satellite mobile phone link budget - return link from mobile to hub
Europe to Africa - Satellite internet broadband outlink
Africa to Europe - Satellite internet TDMA return link

Explanation of satellite links

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Back to general purpose link budget calculator

Any problems or comments please e-mail Eric Johnston
Copyright 1999,2003 Satellite Signals Ltd. All rights reserved.
Last Revision: 18 March 2004,  30 Sept 2005.