Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1PTM callsign genealogy
Currently held by GRIFFIN JR, PHILIP J
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 WA1PTM's current licensee, walking backwards.
- GRIFFIN JR, PHILIP JNHgranted 2012-05-24cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held WA1PTM.
No current licensee on record previously held this callsign.