Coverage
1 stateState-run network for Massachusetts.
Plans & pricing
FreeFree
NTRIP caster
hostProvided after signup
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.More—
Operator SBC lists RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.More CorrectionsLive info from a base station about how far off the satellite signals are, so your rover can cancel out the error.More as Free.
Checked 2026-10-16 Sources: [1] · Blank fields mean the operator doesn't publish it · Report a change
Reliability reports
Collecting soonNo user reports yet for MaCORS. 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
Coming soonSoon you'll be able to ask local dealers for RTK quotes for MaCORS (Massachusetts), all in one form. This form is not open yet. It's switched off, and nothing you type here is sent or saved. Want to know when it opens? Join the monthly email below.