Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR4DF callsign genealogy
Currently held by GASEN, JAMES P
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 KR4DF's current licensee, walking backwards.
- K9PCUno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KR4DF.
- GASEN, JAMES PSCgranted 2017-06-26