Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4TGR callsign genealogy
Currently held by DARNELL, JOHNNY 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 KC4TGR's current licensee, walking backwards.
- Hamby, Joshua TSCgranted 2018-04-18cancelled 2018-05-30
Successor callsigns
Callsigns held now by people who previously held KC4TGR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4TGR, oldest first.
- DARNELL, JOHNNY L KY2000-06-30 → cancelled 2012-09-26
- Hamby, Joshua T SC2018-05-30 active