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Live

Live page on a real unit with the sky view, C/N0 bars and arcs

Live during a test session: sky with sectors, C/N0 bars, active and closed arcs.

Live page while a scheduled session runs, with the sky view and signal barsLive page while a scheduled session runs, with the sky view and signal bars
Simulator

Live while a scheduled session runs (simulated unit, Normal mode); Advanced mode shows the same page.

Open Live after saving the settings. If the receiver is off, press Start live (cold start: about a minute to the first fix). While the page is open the receiver stays on, even past the end of a scheduled session; leaving the page releases it.

  • Sky: the green wedges are your sectors inside the elevation window. Satellites rising or setting through them are the useful ones: an arc needs a sweep of elevation, not just a passage (useful passes); a dot with a white ring feeds an active arc. Colours show C/N0 (blue/green strong, red weak). Dashed lines are predicted tracks for the next hours.
  • Signal strength (C/N0): open sky is typically 35–50 dB-Hz; uniformly low values point to the antenna, cable or mounting.
  • Active arcs: signals rising or setting through the window and how much of the window they have swept.
  • Closed arcs: each finished arc with its water distance (RH), sigma, peak-to-noise and pass/fail with the reason.
  • Inspect a signal: click a satellite, a bar or an arc: the inspector shows C/N0 over time and against sin(elevation), the detrended oscillation, a provisional periodogram refreshed every 5 s, and the wavelet scalogram. When an edge block was trimmed, it shows the retained and rejected ranges and the reason. The unit’s closed arc is authoritative.
Arc inspector with one clear periodogram peak

Arc inspector: C/N0 over time and against sin(elevation), the detrended oscillation and its periodogram with one clear peak.

How to judge an installation from this page: Verify live on site.