Corfuse · GNSS

Check your RTK corrections before you head out to survey.

Fixcast watches NTRIP streams from the outside — no receiver needed. Connect your phone to a caster and know within a minute whether corrections arrive correctly and on time. And when they don't, you'll know why.

Get in touch iOS · TestFlight soon

NTRIP v1/v2 RTCM 3.x GPS · Galileo · GLONASS · BeiDou · SBAS

Validator — healthy stream with a verdict and reference station satellites — Validator · healthy stream

Diagnosis of a failing stream — clear verdict and findings — Problem diagnosis

Map — reference station, baseline distance and approximate position — Station map

Survey planner — best window of the day, skyplot and visible satellites for a chosen spot — Survey planner

Corrections aren’t a black box. Measure them.

Stream validator

Connect to a mountpoint and watch the verdict: correction age, message cadence and the reference station’s satellites. Plain language — with full RTCM detail for experts.

result within 60 s

Problem diagnosis

Data gaps, stale corrections, a missing GGA for VRS, irregular cadence. Fixcast tells you what is happening and why — not just “it doesn’t work”.

no receiver · just your phone

Map and surroundings

Mountpoints sorted by distance, the baseline to the reference station and the anonymous experience of others over the last hour.

anonymous · location only ~5 km

Survey planner

When is it worth heading into the field? For a chosen spot and day you’ll see the best windows, visible satellite counts and a skyplot — even without signal. Try it in your browser.

week-ahead forecast · works offline

Privacy first.

Your precise location never leaves your device towards us. Reports carry only a coarse area (~5 km) and summaries appear only once they include at least 5 devices.