Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1CH callsign genealogy
Currently held by LINEHAN, THOMAS B
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 AC1CH's current licensee, walking backwards.
- LINEHAN, THOMAS BNHgranted 2011-04-19cancelled 2017-05-10
Successor callsigns
Callsigns held now by people who previously held AC1CH.
No current licensee on record previously held this callsign.