Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4YYS callsign genealogy
Currently held by PARSONS, DAVID E
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 KD4YYS's current licensee, walking backwards.
- KB5RGZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD4YYS.
- PARSONS, DAVID EFLgranted 2020-06-16