Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7QK callsign genealogy
Currently held by SIRMAN, MITCHEL N
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 AC7QK's current licensee, walking backwards.
- SIRMAN, MITCHEL NWAgranted 2001-09-26cancelled 2002-01-04
Successor callsigns
Callsigns held now by people who previously held AC7QK.
No current licensee on record previously held this callsign.