Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FDC callsign genealogy
Currently held by STEADMAN, 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 K4FDC's current licensee, walking backwards.
- STEADMAN, ROBERT DSCgranted 1999-03-13cancelled 2002-03-07
Successor callsigns
Callsigns held now by people who previously held K4FDC.
No current licensee on record previously held this callsign.