I'm using an NTRIP client on my TRB245 (FW TRB2_R_00.07.04.2)
I noticed that the generated GGA string has an error when I use a predefined coordinate (see attached screenshot).
Generated GGA string:
$GPGGA,005856.00,5251.3269806,N,05251.3269806,E,1,10,1.2,10.0000,M,-2.860,M,,0000*70