JOB: cartesian coordinates of the satellites and pseudorange values

JOB

Your task is to read from Bangle2.js or Bangle1.js:

1) the position of GPS,
2) BOTH: The Coordinates of the satellites (Cartesian coordinate system is preferred) and measured the pseudoranges (from the satellites to the satellite receiver)
3) to make a espruino working code for saving the coordinates and abovementioned ranges in text (ascii format)
4) to investigate whether navigation message can be written and exported