Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5PA callsign genealogy
Currently held by Armstrong, Charles P
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 AC5PA's current licensee, walking backwards.
- Armstrong, Charles PTXgranted 2023-12-23cancelled 2024-02-03
Successor callsigns
Callsigns held now by people who previously held AC5PA.
- LOPEZ, HAROLD CTXgranted 2018-07-31
All historical holders
Every license row we've seen with the callsign AC5PA, oldest first.
- Armstrong, Charles P TX2024-02-03 active
- LOPEZ, HAROLD C— → cancelled 1998-10-05