Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0JL callsign genealogy
Currently held by Heckman, John R
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 N0JL's current licensee, walking backwards.
- Heckman, John RMOgranted 2018-05-17cancelled 2019-12-20
Successor callsigns
Callsigns held now by people who previously held N0JL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0JL, oldest first.
- Lasley, James M IA2011-11-16 → cancelled 2017-11-28
- Heckman, John R MO2019-12-20 active