Satmaster Pro: Satellite Link Budget & Sun Outage Calculator

Current version: Satmaster Pro Mk10.7

Satmaster Pro is a satellite link budget calculator for Windows with additional tools for antenna aiming, dual feed spacing and sun outage prediction. Atmospheric modelling conforms to the ITU-R recommendations P.618-14, P.676-13, P.837-8, P.840-9, P.1511-3 and dependencies. Includes modcod selectors for DVB-S, DVB-S2(X), NS3, NS4 and manual input. The full licensed package includes two extra command line batch programs for full GEO link budgets (satmaster v3.2c) and GEO/NON GEO downlink budgets (smbatchd v1.0).



Get Started Guide | Changes | License | Instant Quote | FAQ

A valid Mk10.x license can be updated to the current version by submitting this update claim form.
An earlier valid series license can be upgraded to Mk10.x by ordering the discounted Satmaster Pro Mk10.x Series Upgrade.

IMPORTANT: If the Smart App Control feature is enabled in Windows 11, Satmaster Pro (demo or full) will be blocked from running. The FAQ shows how to turn it off. The FAQ also has compatibility information regarding Windows emulators on other OS.

Satellite List File (satlist.geo)

Updated on 2nd October 2026

Satmaster Pro satlist.geo file. Satellite positions are mostly based on a quarterly TLE snapshot but can be user modified or appended with the inbuilt editor (except demo versions). Download and unzip to the main Satmaster Pro folder overwriting the old file usually located at: C:\Program Files (x86)\Satmaster Pro\satlist.geo