Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4JEM callsign genealogy
Currently held by MEYER, JON E
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 KK4JEM's current licensee, walking backwards.
- MEYER, JON EFLgranted 2012-02-01cancelled 2016-02-06
Successor callsigns
Callsigns held now by people who previously held KK4JEM.
- Blankenblicker, Jonathan TTNgranted 2012-03-12cancelled 2024-03-13
All historical holders
Every license row we've seen with the callsign KK4JEM, oldest first.
- Blankenblicker, Jonathan T TN2012-03-12 → cancelled 2012-06-29
- MEYER, JON E FL2016-02-06 active