Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5SH callsign genealogy
Currently held by O'CONNER, TIMOTHY W
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 AC5SH's current licensee, walking backwards.
- O CONNER, TIMOTHY Wcancelled 1999-03-08
Successor callsigns
Callsigns held now by people who previously held AC5SH.
No current licensee on record previously held this callsign.