Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JLK callsign genealogy
Currently held by FRENCH, WILLIAM A
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 W1JLK's current licensee, walking backwards.
- Keller, John LCAgranted 2015-05-12cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held W1JLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1JLK, oldest first.
- FRENCH, WILLIAM A FL2006-11-16 → cancelled 2019-02-13
- Keller, John L CA2021-05-25 active