Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4EE callsign genealogy
Currently held by Keller, Robin 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 KT4EE's current licensee, walking backwards.
- Keller, Robin DNCgranted 2008-10-24cancelled 2016-03-29
Successor callsigns
Callsigns held now by people who previously held KT4EE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT4EE, oldest first.
- WINDHAM, CARMEN L AL2003-08-15 → cancelled 2015-10-27
- Keller, Robin D NC2016-03-29 active