Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MCF callsign genealogy
Currently held by McFadyen, Robert 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 K4MCF's current licensee, walking backwards.
- McFadyen, Robert DNCgranted 2000-02-02cancelled 2003-01-24
Successor callsigns
Callsigns held now by people who previously held K4MCF.
No current licensee on record previously held this callsign.