Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL0K callsign genealogy
Currently held by Klingensmith, Thomas J
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 KL0K's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KL0K.
No current licensee on record previously held this callsign.