Satellite Engineering Toolkit
Interactive design, analysis, and compliance calculators for satellite spectrum and communications engineers.
📡
PFD & ITU Limits Calculator
Calculate satellite downlink Power Flux Density (PFD) on the Earth's surface and verify compliance against ITU Article 21 limits and Recommendation ITU-R F.1403 protection thresholds.
Open Calculator →🌍
Look Angle & GEO Visibility
Determine antenna pointing angles (Azimuth, Elevation, and Slant Range) for any ground station coordinates and calculate the visible orbital slots in the Geostationary (GEO) arc.
Open Calculator →📊
Link Budget & Path Loss
Analyze complete satellite link budgets, including transmitter EIRP, free-space path loss (FSPL), atmospheric losses, receiver G/T, C/N, Eb/No, and final margin.
Open Calculator →🔌
Antenna Parameters
Compute antenna peak gain (dBi) and Half-Power Beamwidth (HPBW) based on frequency and reflector dish size.
Open Calculator →