Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JKU callsign genealogy
Currently held by Duval, Michael 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 W6JKU's current licensee, walking backwards.
- Duval, Michael JCAgranted 2014-04-22cancelled 2014-08-12
Successor callsigns
Callsigns held now by people who previously held W6JKU.
No current licensee on record previously held this callsign.