Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3MCF callsign genealogy
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 N3MCF's current licensee, walking backwards.
- McFadden, John AMDgranted 2017-10-23cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held N3MCF.
- MERRELL, WILLIAM FPAgranted 2019-04-10
All historical holders
Every license row we've seen with the callsign N3MCF, oldest first.
- McFadden, John A MD2018-03-06 active
- —— → cancelled 1999-06-30