NOAA NGS CORS
Free Use for PPKPost-processed kinematic. Like RTK, but the corrections are applied after the job using recorded data, so no live link is needed.Full definition, not live RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.Full definition
Coverage
0 statesPost-processing data, not live RTK.
Everything you need to know
FreeType: Post-processing data
Price & plans
| Plan | Price | Term |
|---|---|---|
| Free | $0 |
- Free trial
- Not published
- Discounts / exemptions
- Not published
- What's included
- Not published
Coverage
- Where it works
- Post-processing data, not live RTK.
- Stations
- Not published
- Official coverage map
- Open map →
- Needs cell signal?
- Not needed (download files after the job)
- Network
- Post-processing RINEXA standard file format for raw GPS data. Any brand of receiver or software can read it.Full definition data from the NOAA CORS Network (NCNThe NOAA CORS Network. NOAA's nationwide group of permanent base stations, with data free to download.Full definition); not real-time
Connection settings
NTRIP caster
- Mount types
- Not published
- Correction formats
- Not published
- Satellites (ConstellationOne family of navigation satellites, like GPS, GLONASS, Galileo or BeiDou. More constellations means more satellites to use.Full definition)
- Not published
- Datum / EpochOne moment of GPS measurement. A receiver logging at 1 Hz records one epoch every second.Full definition / GeoidA lumpy, imaginary "sea level" surface around the whole Earth. Elevations are measured from it.Full definition
- Not published
- Must send GGAA short message your rover sends with its rough location. VRS and nearest-station streams need it to know where you are.Full definition position?
- Not published
- Accuracy
- Not published
- Receivers that work
- Not published
Sign-up steps
Not published step-by-step. Start at the sign-up link.
- Sign-up page
- Not published
- How long approval takes
- Not published
- Who can sign up
- Not published
Fine print
- Terms / user agreement
- Not published
- System status page
- Not published
- Support
- Not published
- Last checked
- 2026-10-17
Reliability reports
Collecting soonNo user reports yet for NOAA NGS CORS. We only show real reports from real users, never sample data. Report collection opens soon, and here's what we'll ask:
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Get a quote
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