Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3HM callsign genealogy
Currently held by Crimmel, Andrew S
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 AC3HM's current licensee, walking backwards.
- Crimmel, Andrew SPAgranted 2020-12-28cancelled 2021-04-26
Successor callsigns
Callsigns held now by people who previously held AC3HM.
No current licensee on record previously held this callsign.