Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4CDF callsign genealogy
Currently held by FEUER, CYNTHIA D
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 N4CDF's current licensee, walking backwards.
- FEUER, CYNTHIA DFLgranted 2008-02-20cancelled 2008-09-06
Successor callsigns
Callsigns held now by people who previously held N4CDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CDF, oldest first.
- DEMARET, RICHARD B VA1993-03-30 → cancelled 2005-03-31
- FEUER, CYNTHIA D FL2018-06-20 active