Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TIS callsign genealogy
Currently held by SUTTON, ERNEST L
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 K4TIS's current licensee, walking backwards.
- HARDEN, MARSHALL BGAgranted 2002-08-27cancelled 2007-03-30
- KD4DUZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4TIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TIS, oldest first.
- SUTTON, ERNEST L NC1995-01-25 → cancelled 2007-01-26
- HARDEN, MARSHALL B GA2017-03-10 active