---
title: "SetMaster external"
method: PUT
path: "/api/v1/external/master"
tags: ["external"]
---

# SetMaster external

`PUT /api/v1/external/master`

Set current global position of master electronics from external source. Values are only used if GPS mode is set to use external GPS

## Request body

- SetMasterExternalPayload — Global master position from external source
  - `cog` number — Course over ground (degrees). -1 means no data.
  - `fix_quality` number — Fix quality. 0 if no data.
  - `hdop` number — Horizontal dilution of precision. -1 means no data.
  - `lat` number, required — Current Latitude
  - `lon` number, required — Current Longitude
  - `numsats` number — Number of satellites. -1 means no data.
  - `orientation` number, required — Current orientation/compass heading (degrees)
  - `sog` number — Speed over ground (km/h). -1 means no data.

## Response `200`

OK

## Other responses

- `500` — Internal Server Error

---

[API](https://skmtc.net/waterlinked/apis/the-water-linked-underwater-gps-api.md) · [All operations](https://skmtc.net/waterlinked/apis/the-water-linked-underwater-gps-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/waterlinked/the-water-linked-underwater-gps-api/versions/d7611df77577/schema)