Port 443 is the TLS option if your receiver supports it. Corrections are broadcast in GDA2020. Free account: gnss.ga.gov.au/stream.
Station list and online status load live from the AUSCORS caster each time the app opens, and again whenever you tap Refresh. If the caster can't be reached, the app falls back to a saved list from 30 Oct 2026 without status. A stream marked online is being received by the caster; it says nothing about your mobile coverage. Baseline guide: under 10 km is excellent, 10–30 km good, 30–50 km marginal, and beyond 50 km fixes get unreliable. GA network map.