Link Budget
EIRP, FSPL, G/T, C/N₀, Eb/N₀, margin & MODCOD with a margin-vs-elevation chart.
Doppler Shift
Orbital velocity, maximum Doppler shift, Doppler rate and a pass curve over time.
Pass Predictor
Paste a TLE and your coordinates to get upcoming passes: AOS, LOS, max elevation, duration.
Antenna Gain
Parabolic dish gain, half-power beamwidth, effective aperture and far-field distance.
Phased Array Gain
Array gain, scan loss, beamwidth, aperture and grating-lobe-free scan limit.
G/T Figure of Merit
Build system noise temperature from antenna, feed, LNA & receiver → G/T in dB/K.
Noise Figure Chain
Friis cascade: NF, noise temperature & per-stage contribution for any RF receiver chain.
HPA Backoff
TWTA & SSPA saturation curve: IBO/OBO conversion, gain compression and multicarrier C/I₃.
Rain Fade
ITU-R P.838 + P.618 rain attenuation and slant-path fade vs link availability.
Gaseous Attenuation
ITU-R P.676 clear-air loss from oxygen & water vapour, zenith and slant path.
BER Curves
Bit error rate vs Eb/N₀ for BPSK, QPSK, M-PSK, M-QAM, FSK and DBPSK over AWGN.
Frequency Bands
VHF–W band reference with IEEE designations and satellite up/downlink pairs.