Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC1CN callsign genealogy
Currently held by Cotter, John 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 AC1CN's current licensee, walking backwards.
- Cotter, John PNHgranted 2016-04-19cancelled 2017-06-28
Successor callsigns
Callsigns held now by people who previously held AC1CN.
- Cotter, John PNHgranted 2019-09-27