Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4PL callsign genealogy
Currently held by Colling, Philip L
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 AC4PL's current licensee, walking backwards.
- Colling, Philip LVAgranted 2001-03-14cancelled 2001-09-07
Successor callsigns
Callsigns held now by people who previously held AC4PL.
No current licensee on record previously held this callsign.