Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4YFD callsign genealogy
Currently held by MC DONALD, DANIEL M
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 N4YFD's current licensee, walking backwards.
- JOHNSON JR, WILLIAM FNCgranted 2010-09-07cancelled 2019-06-07
Successor callsigns
Callsigns held now by people who previously held N4YFD.
- MC DONALD, DANIEL MINgranted 2025-07-19
All historical holders
Every license row we've seen with the callsign N4YFD, oldest first.
- MC DONALD, DANIEL M IN2000-02-08 → cancelled 2005-08-02
- JOHNSON JR, WILLIAM F NC2019-06-07 active