Object
Phipps' Moonbase Distress Transmitter
A standalone portable emergency radio transmitter, distinct from any repair tools or components used to stabilize it. Operated by Phipps to broadcast warnings and serve as a homing beacon for the Doctor’s crew.
9 appearances
Purpose
Warn Earth Control of Ice Warrior invasion on Moonbase and T-Mat sabotage
Significance
Phipps' final act of defiance alerts the Doctor, shifts the crew from resignation to action, and exposes the invasion plot, escalating the stakes to global catastrophe
Appearances in the Narrative
When this object appears and how it's used