Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9QB callsign genealogy
Currently held by Darling, Mark R
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 AC9QB's current licensee, walking backwards.
- Darling, Mark RWIgranted 2014-03-04cancelled 2017-04-03
Successor callsigns
Callsigns held now by people who previously held AC9QB.
No current licensee on record previously held this callsign.