Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1F callsign genealogy
Currently held by Plimpton, Jason H
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 AC1F's current licensee, walking backwards.
- Plimpton, Jason HAZgranted 2020-02-06cancelled 2020-06-13
Successor callsigns
Callsigns held now by people who previously held AC1F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC1F, oldest first.
- BLANEY, NORMAN H MA2008-07-25 → cancelled 2018-05-20
- Plimpton, Jason H AZ2020-06-13 active