Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4HOH callsign genealogy
Currently held by Gardner, John H
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 KC4HOH's current licensee, walking backwards.
- Gardner, John HTNgranted 2013-04-22cancelled 2013-05-10
Successor callsigns
Callsigns held now by people who previously held KC4HOH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4HOH, oldest first.
- GARDNER, JOHN H TN1990-12-24 → cancelled 2002-12-25
- Gardner, John H TN2013-05-10 → cancelled 2025-05-13