(Sec - Sec_B) * 1000 + (uSec - uSec_B) / 1000

(Pos + Speed * Delay_ms * 3600 / (1000 * 60)) MOD 3600 WHEN (SyncPos AND Delay_ms > 0 AND Delay_ms < 2000) (RefPos[-1] + Speed * 3600 / (1000 * 60)) MOD 3600 OTHERWISE