Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7UTT callsign genealogy
Currently held by Renfro, Doug E
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 K7UTT's current licensee, walking backwards.
- Renfro, Doug EIDgranted 2021-03-11cancelled 2021-08-31
Successor callsigns
Callsigns held now by people who previously held K7UTT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7UTT, oldest first.
- GROTHER, NORMA WA2002-04-19 → cancelled 2002-10-11
- Renfro, Doug E ID2021-08-31 active