Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4YDX callsign genealogy
Currently held by Perry, Frank 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 K4YDX's current licensee, walking backwards.
- Perry, Frank RGAgranted 2016-10-06cancelled 2017-02-22
Successor callsigns
Callsigns held now by people who previously held K4YDX.
No current licensee on record previously held this callsign.