GPS \*had\* no encryption or authentication; indeed, such security is only a rec...

oldgradstudent · 2024-06-11T23:42:41 1718149361

> GPS had no encryption or authentication; indeed, such security is only a recent addition to the L2 frequency.

This was a long time ago, but I distinctly remember the encrypted P(Y)-code and anti-spoofing being operative in the mid 1990s.

lxgr · 2024-06-11T13:27:34 1718112454

> such security is only a recent addition to the L2 frequency

Is that already available? I thought GPS L2C didn't include authentication yet.