Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1P callsign genealogy
Currently held by Butler, Christopher M
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 AC1P's current licensee, walking backwards.
- Butler, Christopher MNHgranted 2017-06-23cancelled 2020-12-15
Successor callsigns
Callsigns held now by people who previously held AC1P.
- CARSON JR, LARRY DTXgranted 2018-11-24
All historical holders
Every license row we've seen with the callsign AC1P, oldest first.
- ERICSSON, DONALD E MA2008-09-16 → cancelled 2014-11-19
- CARSON JR, LARRY D AA2016-12-09 → cancelled 2018-11-24
- Butler, Christopher M NH2020-12-15 active