The time announcements are normally delayed by less than 30 ms when using land lines from within the continental United States, and the stability (delay variation) is generally < 1 ms.
Klokken annonceringen er normalt forsinket mindre end 30 ms, når fastnettelefoni anvendes indefra det kontinentale USA, og tidsforsinkelsesvariationerne er normalt mindre end < 1 ms.