Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K7THK callsign genealogy
Currently held by Johnston, Joshua G
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 K7THK's current licensee, walking backwards.
- Johnston, Joshua GNVgranted 2012-12-21cancelled 2013-02-01
Successor callsigns
Callsigns held now by people who previously held K7THK.
No current licensee on record previously held this callsign.