Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9TR callsign genealogy
Currently held by Bishop, Howard C
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 AC9TR's current licensee, walking backwards.
- Bishop, Howard CINgranted 2017-08-28cancelled 2018-08-27
Successor callsigns
Callsigns held now by people who previously held AC9TR.
No current licensee on record previously held this callsign.