Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC6DM callsign genealogy
Currently held by MAASE, DANIEL F
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 AC6DM's current licensee, walking backwards.
- MAASE, DANIEL FCAgranted 2010-06-28cancelled 2012-05-22
Successor callsigns
Callsigns held now by people who previously held AC6DM.
- SPRIGG, HARVEY EFLgranted 2016-10-13