You are reading outdated documentation. This page documents ChirpStack v3. ChirpStack v4 is the latest version.
LoRa Cloud™ Geolocation
ChirpStack Geolocation Server integrates with the LoRa Cloud Geolocation v2 TDoA localization algorithm. Both single-frame and multi-frame TDOA are implemented.
For more information on metrics, see Prometheus metrics. The Collos backend exposes the following metrics:
A Histogram type metrics tracking the total number of API calls to the Collos API endpoint and their durations (using buckets).