Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7EEE callsign genealogy
Currently held by OTTO, MARVIN K
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 KC7EEE's current licensee, walking backwards.
- CALDWELL, TALMAGE LUTgranted 2015-12-30cancelled 2016-01-19
Successor callsigns
Callsigns held now by people who previously held KC7EEE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7EEE, oldest first.
- OTTO, MARVIN K AZ1994-07-15 → cancelled 2006-07-18
- CALDWELL, TALMAGE L UT2025-12-13 active