Regional networks / Alpha RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.Full definition
Alpha RTK
Paid Alpha RTK
Coverage
5 statesPrivate network in the Delaware Valley / Mid-Atlantic; check their station map
Tap a network below to light up the states it lists. Yellow = state is on the network's list (coverage inside a state can still be partial).
Regional / private
State-run
Nationwide (dashed = no state list published)
Everything you need to know
from $195Type: Regional private
Price & plans
| Plan | Price | Term |
|---|---|---|
| 1 month | $195 (homepage) or $295 (subscribe page): operator's pages still disagree on Oct 17, 2026 | 1 month |
| 6 months | $695 | 6 months |
| 12 months | $995 | 12 months |
| 24 months | $1,595 | 24 months |
- Free trial
- 3 days (subscribe page); homepage says 'contact for free trial length'
- Discounts / exemptions
- Not published
- What's included
- Not published
Coverage
- Where it works
- Private network in the Delaware Valley / Mid-Atlantic; check their station map
- Stations
- Not published
- Official coverage map
- Not published
- Needs cell signal?
- Yes: NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.Full definition needs internet at the RoverThe receiver that moves around the job, like a survey pole or a drone. It uses the base's corrections to find its exact spot.Full definition (cell data or a phone hotspot). General rule, not an operator statement.
Connection settings
NTRIP caster
hostProvided after signup (through the Alpha RTK portal)
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definitionProvided after signup
mountsProvided after signup
- 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)
- GPSThe US satellite navigation system. People often use "GPS" to mean all satellite positioning.Full definition (L1CA/L1P/L1C/L2P/L2C/L5), GLONASS, Galileo, BeiDou
- 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
- Go to sign-up →
- 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
Homepage says $195 for 1 month but the subscribe page says $295. Ask before buying. 'Try before you buy' offered.
Checked 2026-10-17 Sources: [1] [2] [3] · "Not published" means we couldn't find it on the operator's public pages · Report a change
Reliability reports
Collecting soonNo user reports yet for Alpha RTK. We only show real reports from real users, never sample data. Report collection opens soon, and here's what we'll ask:
Want to be first to report? Use the submit form or subscribe below.
Get a quote
Coming soonSoon you'll be able to ask local dealers for RTK quotes for Alpha RTK, 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.