01 / SIGNAL
Why Your Receiver Ignores Most of the SkyGNSS HANDBOOK · GNSS Signals Explained One Equation, Four Satellites, End of the $100,000 ClockGNSS HANDBOOK · How GNSS Works Why a Perfect Satellite Still Lands You Off by MetersGNSS HANDBOOK · GNSS Errors Mapped

RTK GNSS receivers for robotics, field machines and everything you connect.

Precise position as a plug-in input — for your machines, your apps and the data they already share.

Shop SCOUT PRO Compare receivers
02 / RECEIVE

SCOUT Series

One sealed shell. Two different cores.

  • L1 + L5 dual-band
  • IP67
  • USB-C serial
  • 3 m integrated cable

CoreGUIDE (K35)

Built for robots, AGVs and field machines that need a fix they can depend on.

Choose RTK, or RTK + DR with a built-in 6-axis IMU.

From $149

Shop SCOUT PROProduct overview

Modules & antenna

Inside SCOUT PROGNSS module GUIDE K35 The core of SCOUT PRO, for your own board. From $69 Inside SCOUTGNSS module NOMAD K16 The core of SCOUT, for your own board. From $39 Antenna ZENITH Full-band GNSS surveying antenna. From $169
03 / CORRECT

Software · SCOPE + TRACE

Corrections in. Centimeters out.

Corrections in, RTK fix out — on the phone and laptop you already use.

  1. ConnectSCOUT plugs in over USB-C; SCOPE reads its NMEA.
  2. StreamNTRIP corrections from a base 3.7 km away.
  3. FixSingle → Float → Fixed, then shared with your apps.
SCOPE for AndroidTRACE for Windows

Illustrative animation · simulated data

Why Seven Lines of Code Can Unlock Centimeter AccuracyGNSS HANDBOOK · Inside NTRIP The Binary Protocol Your RTK Fix Actually Depends OnGNSS HANDBOOK · RTCM Unpacked How Does Carrier Phase RTK Reach Centimeter AccuracyGNSS HANDBOOK · The RTK Trick
04 / RECORD

Ground Truth · field records

Every fix, on the record.

We drive real routes against a reference trajectory and publish what the receiver did — every scene, including where the sky drops out. Judge the evidence, not a datasheet line.

Explore Ground TruthGNSS + IMU / DR
Why Positioning is a Game of ProbabilitiesGNSS HANDBOOK · GNSS Accuracy Decoded Can a Datasheet Predict Field PerformanceMARKET INSIGHTS · RTK Accuracy Trap
05 / APPLY

Applications · where the line goes

One position. Many paths.

Start from a published workflow — field, robot or test track — or bring the next one.

Guidance lines, plots and boundaries you can return to — in the field apps your team already uses.

AgOpenGPSQFieldSW MapsGNSS MasterWorkflows

A position your robot can plan around — routes it can run again tomorrow.

MowingPatrolDockingWorkflow

Road tests logged, replayed and compared lap by lap — so every tuning change shows up on the same road.

TRACERoad-test logWorkflow

Bring the next use of RTK. Selected projects get Kalmix hardware and engineering support.

Apply to Build with Kalmix
Explore integrationsBuild with Kalmix
Why a Perfect GNSS Fix Can Still Put You Off the MapGNSS HANDBOOK · Beyond WGS84 What Must an RTK GNSS Receiver Provide for AgOpenGPSMARKET INSIGHTS · Position Before Steering A Practical Guide to Outdoor Robot NavigationMARKET INSIGHTS · RTK GPS for Robotics What Breaks When Every Rover Wants Its Own BaseGNSS HANDBOOK · RTK Goes Networked What Changes When PPP-RTK Corrections Stop Looking Like a BaseGNSS HANDBOOK · OSR to SSR Why Moving the RTK Engine Off-Chip Still MattersDEEP DIVES · Host-Based RTK Choosing the Right Path from Prototype to ProductionMARKET INSIGHTS · RTK Module vs RTK Receiver How to Choose Between M, A, AT, and ADDEEP DIVES · AG3335 Variants Explained
06 / BEGIN

Begin · from the box to RTK FIXED

Start your first fix.

Plug in a SCOUT PRO and follow Get Started to see RTK FIXED on your own screen. The specs, protocols and the reasoning behind them are all written down.

Open DocumentationRead Engineering Notes

36.998977 N · 109.045172 W · 1483.1 m ● SINGLE · 21 SATS

Why Does a Perfect Fix Still Land Your Boundary Off the MapMARKET INSIGHTS · Right Acres Wrong Place Why Field Trials Need Repeatable CoordinatesMARKET INSIGHTS · Finding the Plot Twice