Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9DW callsign genealogy
Currently held by COLLINS, MARK E
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 AC9DW's current licensee, walking backwards.
- COLLINS, MARK EINgranted 2003-02-05cancelled 2013-01-17
Successor callsigns
Callsigns held now by people who previously held AC9DW.
No current licensee on record previously held this callsign.