I've made some more progress over the past few nights. I've now got a test app writing the Boltwood style single line data file. The significance of that is the existing Ascom Observing Conditions Drivers (available from the Ascom website) will read this file and pass the information to any compliant app (including SGP) so I don't need to write my own Ascom driver.
The data file is very specifically formatted (spacing of the numbers seems to be critical for it to work) so a lot of the effort is in creating a string with the data values in the right places:
2019-12-03 22:40:24.00 C K 14.0 2.0 7.0 1.0 9 13.2 3 0 0 00002 043802.94472 1 1 1 1 0 0
Next step is to link this to the actual live data.
Happy days
