Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1JTH callsign genealogy
Currently held by Hart Jr, John T
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 K1JTH's current licensee, walking backwards.
- HART JR, JOHN TCTgranted 2009-03-17cancelled 2009-04-03
Successor callsigns
Callsigns held now by people who previously held K1JTH.
No current licensee on record previously held this callsign.