Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3JMN callsign genealogy
Currently held by MACK JR, JOHN F
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 N3JMN's current licensee, walking backwards.
- JEREZ DUARTE, MIGUELPAgranted 2014-12-01cancelled 2015-03-03
Successor callsigns
Callsigns held now by people who previously held N3JMN.
- JEREZ DUARTE, MIGUELPAgranted 2019-06-18
All historical holders
Every license row we've seen with the callsign N3JMN, oldest first.
- MACK JR, JOHN F MD1991-05-14 → cancelled 2003-05-15
- JEREZ DUARTE, MIGUEL PA2015-03-03 → cancelled 2019-06-18