Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7YG callsign genealogy
Currently held by Ritzenthaler, David M
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 AC7YG's current licensee, walking backwards.
- Ritzenthaler, David MIDgranted 1999-02-11cancelled 2003-04-15
Successor callsigns
Callsigns held now by people who previously held AC7YG.
- Ritzenthaler, David MWAgranted 2003-05-06cancelled 2012-11-14