LOS = Loss of Signal

In the industry I work in LOS means loss of signal, though strangely Wikipedia does not understand this.

Los may refer to:

Jerzy Łoś (1920 – 1998), a Polish mathematician and logician Fictional characters: Los (Blake), in William Blake’s poetry Los, a.k.a. the Crimson King, in Stephen King novels Los, Sweden, a village PZL.37 Łoś, . . . → Read More: LOS = Loss of Signal