Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DFR callsign genealogy
Currently held by Roby, Darrel F
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 K7DFR's current licensee, walking backwards.
- Roby, Darrel FORgranted 1999-12-15cancelled 2000-01-04
Successor callsigns
Callsigns held now by people who previously held K7DFR.
No current licensee on record previously held this callsign.