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

Broadband satellite internet access service for US and South America
Broadband direct satellite internet access service for the Middle East
Satellite internet and satellite VoIP communications access for Africa
India to Japan to Australia, broadband internet access via satellite 
Satellite finder: Calculate dish aiming and pointing angles for any site

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.