Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT9C callsign genealogy
Currently held by HILL, MARVIN 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 KT9C's current licensee, walking backwards.
- CRICHTON, TENNEY RWIgranted 1994-01-18cancelled 2002-11-22
- WB0CCSno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KT9C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT9C, oldest first.
- HILL, MARVIN L IL1988-03-29 → cancelled 2000-03-30
- Crichton, Tenney R WI2022-09-29 active