Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3JFD callsign genealogy
Currently held by Donovan, 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 N3JFD's current licensee, walking backwards.
- Donovan, John FPAgranted 2011-02-01cancelled 2011-03-29
Successor callsigns
Callsigns held now by people who previously held N3JFD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3JFD, oldest first.
- MARCH, JOHN A PA1991-04-23 → cancelled 2003-04-24
- Donovan, John F PA2021-01-28 active