Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5PTB callsign genealogy
Currently held by BUCHANAN, PATRICK T
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 W5PTB's current licensee, walking backwards.
- BUCHANAN, PATRICK TFLgranted 2011-12-12cancelled 2020-10-31
Successor callsigns
Callsigns held now by people who previously held W5PTB.
No current licensee on record previously held this callsign.