Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE6KMZ callsign genealogy
Currently held by Williams, Jeffrey
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 KE6KMZ's current licensee, walking backwards.
- Williams, JeffreyCAgranted 2016-09-29cancelled 2016-10-25
Successor callsigns
Callsigns held now by people who previously held KE6KMZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE6KMZ, oldest first.
- WILLIAMS, JEFFREY C CA2004-07-27 → cancelled 2016-07-16
- Williams, Jeffrey CA2016-10-25 active