Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3DY callsign genealogy
Currently held by YOCUM, DENNIS M
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 KC3DY's current licensee, walking backwards.
- YOCUM, DENNIS MDEgranted 2018-04-03cancelled 2018-06-26
Successor callsigns
Callsigns held now by people who previously held KC3DY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC3DY, oldest first.
- SCHARF, GILBERT A PA1987-08-11 → cancelled 1999-08-16
- YOCUM, DENNIS M DE2018-06-26 active