Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1JCL callsign genealogy
Currently held by KRAMER, MICHAEL
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 N1JCL's current licensee, walking backwards.
- Leonard, John CFLgranted 2008-07-26cancelled 2012-02-10
Successor callsigns
Callsigns held now by people who previously held N1JCL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1JCL, oldest first.
- KRAMER, MICHAEL MA1991-05-21 → cancelled 2003-05-22
- Leonard, John C FL2022-02-01 active