Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK8T callsign genealogy
Currently held by GRIMM, JOE 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 KK8T's current licensee, walking backwards.
- HESS, JOHN AWAgranted 2001-08-25cancelled 2005-09-07
- N8MNNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KK8T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK8T, oldest first.
- GRIMM, JOE E OH1995-08-11 → cancelled 2002-09-17
- HESS, JOHN A WA2015-07-18 active