Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RRD callsign genealogy
Currently held by Dudley, Robert R
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 K7RRD's current licensee, walking backwards.
- Dudley, Robert RWAgranted 2019-12-27cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held K7RRD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7RRD, oldest first.
- NANCE, GREGORY A OR2009-01-31 → cancelled 2021-02-02
- Dudley, Robert R WA2021-04-06 active