Starlink Signal Tools
StackVanilla JS + CDN libs · no build step · Three.js (WebGL) — all 3D viz · React + Tailwind CSS (Modulation Comparison only) · Canvas 2D (signal viewers, waveforms) · 16 self-contained HTML files + shared nav.js sidebar
ToolsPhased Array (4): 3D beam steering 16×16 grid, grating lobes, beam squint, multi-beam · Starlink Systems (3): orbital coverage, SDMA allocation, link budget · Signal Processing (5): time/freq domain, modulation sim, spectrum analyzer, Fourier builder · Modulation (3): DVB-S2X comparison, OFDMA 3D viz, EM polarization
RF physicsλ/2 element spacing at Ku-band (11.7 GHz) · phased array factor math, grating lobe positions, beam squint vs frequency · DVB-S2X MODCODs QPSK–256QAM (25+ schemes), Eb/No thresholds · partial DFT for carrier zoom · sinc-based OFDMA subcarrier modeling
Key toolLink budget calculator: 25+ MODCODs, live C/N₀ + Eb/No→BER curves, data rate, modulation/coding selection — primary tool for emergency response Starlink field deployment planning (geometry in → MODCOD + margin out)