Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JJK callsign genealogy
Currently held by Keeley, James 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 W1JJK's current licensee, walking backwards.
- Keeley, James JFLgranted 2013-08-14cancelled 2013-09-04
Successor callsigns
Callsigns held now by people who previously held W1JJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1JJK, oldest first.
- KAISER, JOHN J ME1999-01-07 → cancelled 2011-01-08
- Keeley, James J FL2023-06-08 active