3 ms·
It wasn't a pre-set error, rather each satellite was originally configured to broadcast a low-precision coarse signal and a high-precision signal and the high-p
by throwway120385 3y ago
It wasn't a pre-set error, rather each satellite was originally configured to broadcast a low-precision coarse signal and a high-precision signal and the high-precision signal could only be decoded using an encryption key. They later released the encryption key when civilian applications took off.
- froh 3y agoiirc there still are several signals broadcast, a rare public high precision signal (for land surveyors), a high precision stream (military) and a high enough precision stream (public navigation)