Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1PN callsign genealogy
Currently held by Sherwood, John
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 AC1PN's current licensee, walking backwards.
- Sherwood, JohnCTgranted 2023-05-23cancelled 2023-07-10
Successor callsigns
Callsigns held now by people who previously held AC1PN.
No current licensee on record previously held this callsign.