Fix the geographic coordinates parsing

[collivier]

No description provided.

[alwye]

Hi!

Thanks for the pull-request. I'll verify your commit later today and will merge it, unless it breaks something.

Thank you!

[nikmon2]

Thanks for contributing!

• As this switches the screen layout from being random to use pre-configured long/lat coordinates, we should add a config flag to allow the user to select between the two modes.

Cheers,
Niklas