Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KD0YU callsign genealogy
Currently held by Helton, 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 KD0YU's current licensee, walking backwards.
- Helton, David EIAgranted 2006-02-22cancelled 2014-06-24
Successor callsigns
Callsigns held now by people who previously held KD0YU.
No current licensee on record previously held this callsign.