Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7USM callsign genealogy
Currently held by Zuleger, Raymond J
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 K7USM's current licensee, walking backwards.
- Berry, Edward DUTgranted 2014-04-30cancelled 2017-01-31
Successor callsigns
Callsigns held now by people who previously held K7USM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7USM, oldest first.
- Zuleger, Raymond J AZ2004-04-06 → cancelled 2016-04-07
- Berry, Edward D UT2017-01-31 active