Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7MO callsign genealogy
Currently held by Zwang, Jeffery D
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 AC7MO's current licensee, walking backwards.
- Zwang, Jeffery DUTgranted 1999-03-30cancelled 2001-03-30
Successor callsigns
Callsigns held now by people who previously held AC7MO.
No current licensee on record previously held this callsign.