This datum, designated as NAD 83 ...is based on the adjustment of 250,000 points including 600 satellite Doppler stations which constrain the system to a geocentric origin."
Datum  puniki, kajudi pinaka NAD 83...kadasarin saking penyesuain 250.000 titik ngranjing 600 stasiun satelit Doppler sané ngwatesin sitem asal geosentris."