Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9JKC callsign genealogy
Currently held by CLARK II, JOHN K
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 W9JKC's current licensee, walking backwards.
- CLARK II, JOHN KINgranted 2017-09-28cancelled 2020-02-21
Successor callsigns
Callsigns held now by people who previously held W9JKC.
No current licensee on record previously held this callsign.