OMH tool

To build:

`gcc -o om200-omh main.c OM200HeaderFile.c`

Usage:

`./om200-omh {path to ACT_????.OMH file}`

Ephemeris updater

Preparations:

Install `wget` and make sure it's in your PATH

Usage:

While online, run `./om200-ephemeris`
Copy/move new "epo.7" file to root folder of watch
Unmount, unplug, wait a minute (see display)
Repeat procedure at least weekly to always have A-GPS working