Support

Firmware & Datasheets

The latest published firmware and datasheet for every module in the Product Selector. Files are hosted on the NavSpark store. Need a model that shows “On request”, or a customized build? Write to info@skytraq.com.tw.

GNSS Firmware

Firmware must be updated with GNSS Viewer 2.1.0xx only.

  1. 01Download the firmware package for your module below and unzip it.
  2. 02Download GNSS Viewer (see Software & Tools) and connect the receiver to your PC.
  3. 03Use GNSS Viewer's firmware download function to load the extracted firmware file onto the module.

High Precision

ModelFirmware versionReleaseDownloadDatasheet
Dual Frequency — Centimeter Level Accuracy
PX1172R17 × 22 mm03.06.00-01.07.332023-08-30Firmware ↓
Datasheet ↓ver 2 · 2021-03-04
PX1172RH17 × 22 mm—2023-08-30Firmware ↓
Datasheet ↓ver 3 · 2022-06-20
PX1172R-10017 × 22 mmOn requestOn request
PX1122R12 × 16 mm03.09.00-01.07.332026-03-12Firmware ↓
Datasheet ↓ver 15 · 2021-01-25
PX1125R12 × 16 mmPX1125R03.06.00-01.07.332023-08-31Firmware ↓
Datasheet ↓ver 3 · 2023-09-01
PX1125R-0103.06.00-01.07.332024-01-11Firmware ↓
PX1105R10.1 × 9.7 mmPX1105R03.06.00-01.07.332023-08-31Firmware ↓
Datasheet ↓ver 1 · 2024-06-21
PX1105R-0103.06.00-01.07.332024-01-11Firmware ↓
Dual Frequency — Sub-Meter Level Accuracy
PX1125S-0212 × 16 mm03.07.00-01.07.332023-06-16Firmware ↓
Datasheet ↓ver 1 · 2021-06-11
PX1105S10.1 × 9.7 mmOn request
Datasheet ↓ver 3 · 2025-07-15
Single Frequency — Centimeter Level Accuracy
PX1120R12 × 16 mm03.06.00-01.07.332023-08-30Firmware ↓
Datasheet ↓ver 4 · 2021-05-03

Standard Precision

ModelFirmware versionReleaseDownloadDatasheet
Single Frequency — Meter Level Accuracy
PX1220S22 × 22 × 8 mm03.00.01-01.07.322022-10-26Firmware ↓
Datasheet ↓
PX1120S12 × 16 mm03.00.01-01.07.322022-10-26Firmware ↓
Datasheet ↓ver 6 · 2021-08-04
PX1100S10.1 × 9.7 mm03.00.01-01.07.322022-10-26Firmware ↓
Datasheet ↓ver 6 · 2021-06-10
PX1125S-01D12 × 16 mmOn requestOn request

Dead Reckoning

ModelFirmware versionReleaseDownloadDatasheet
Dual Frequency — Centimeter Level Accuracy
PX1172RD17 × 22 mm—2025-04-22Firmware ↓
Datasheet ↓ver 2 · 2023-07-28
PX1172RHD17 × 22 mmOn requestOn request
PX1175RD17 × 22 mm—2024-03-15Firmware ↓
Datasheet ↓ver 2 · 2023-09-27
Dual Frequency — Sub-Meter Level Accuracy
PX1125DP-0212 × 16 mm03.09.00-01.07.322025-04-18Firmware ↓
Datasheet ↓ver 5 · 2024-05-17
Single Frequency — Meter Level Accuracy
PX1120DP12 × 16 mm03.07.00-01.07.322024-03-15Firmware ↓
Datasheet ↓ver 5 · 2024-05-17

Timing

ModelFirmware versionReleaseDownloadDatasheet
Dual Frequency — 5 nsec (1-sigma) accuracy
PX1125T12 × 16 mmOn request
Datasheet ↓ver 1 · 2023-07-20
Single Frequency — 5 nsec (1-sigma) accuracy
PX1120T12 × 16 mm03.00.01-01.07.322022-08-30Firmware ↓
Datasheet ↓ver 2 · 2022-06-02
PX1100T10.1 × 9.7 mm03.00.01-01.07.322024-07-01Firmware ↓
Datasheet ↓ver 1 · 2021-10-06

Carrier Phase Raw Data

ModelFirmware versionReleaseDownloadDatasheet
Dual Frequency
PX1172C17 × 22 mmOn requestOn request
PX1122C12 × 16 mmOn request
Datasheet ↓ver 3 · 2020-04-06
Single Frequency
PX1120C12 × 16 mm03.00.01-01.07.322022-09-01Firmware ↓
Datasheet ↓ver 1 · 2020-09-09

Software & Tools

GNSS Viewer

PC tool used to flash every firmware package above. Use the 2.1.0xx release line.

ZIP ↓

Raw Measurement Protocol (AN0039)

Binary raw-measurement message reference for the Carrier Phase / Raw Data models.

PDF ↓

Raw Measurement to RINEX Converter

Converts logged raw measurements to RINEX for post-processing.

ZIP ↓