Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5TTT callsign genealogy
Currently held by MC COLLOUGH, DAVID F
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W5TTT's current licensee, walking backwards.
- MC COLLOUGH, DAVID Fcancelled 1998-10-06
Successor callsigns
Callsigns held now by people who previously held W5TTT.
No current licensee on record previously held this callsign.