PBL could you post your reference?...
No I don't design IRS/INS/GPS systems,...but I think that it is the position solution that gets "jiggy wit it"
Ghenghis that article was for calibration. techniques..interesting though
at the exact same GS two crafts one above the other should be over the same point at all times assuming constant Vw and TAS
and if one look at the definition for TAS I think the answer is apparent
but,
I'm like quintuple confused now