# lorawan



## Purpose

Manage meta data for lorawan sensors in individual log files for each sensor identified by DevEUI (64-Bit Extended Unique Identifier)


## Syntax for entries in the metadata files

Lines beginning with '#' are comment lines 

Lines beginning with 'POS' describe a new position by coordinates and height
 They contain follwing 5 columns: POS UTC-Date&TIME Longitude Latitude Height-above-ground-in-meters
 UTC-Date&TIME must be of format: "%Y-%M-%DT%H:%m:%sUTC"
 Lon & Lat should have at least 5 decimal points precision
 E.g. 'POS 2025-11-07T17:17:00UTC 10.89508 48.33679 2'

Lines beginning with 'OFFSET' contain an offset value that should be added to the measurements
 They contain 4 columns: OFFSET UTC-Date&TIME Variable-Name Value
 E.g. 'OFFSET 2025-11-07T17:17:00UTC airTemperature -0.3'