Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6JON callsign genealogy
Currently held by Leister, Jon
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 KK6JON's current licensee, walking backwards.
- Leister, JonCAgranted 2016-09-23cancelled 2018-11-16
Successor callsigns
Callsigns held now by people who previously held KK6JON.
- ROGERS, CARL JCAgranted 2013-06-22cancelled 2025-06-24
All historical holders
Every license row we've seen with the callsign KK6JON, oldest first.
- ROGERS, CARL J CA2013-06-22 → cancelled 2013-08-21
- Leister, Jon CA2018-11-16 active