Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2DU callsign genealogy
Currently held by SPOONHOWER, JOHN P
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 KC2DU's current licensee, walking backwards.
- ULIANO, DOMINIC PNYgranted 2015-07-28cancelled 2016-06-03
Successor callsigns
Callsigns held now by people who previously held KC2DU.
- SPOONHOWER, JOHN PFLgranted 2021-01-20
All historical holders
Every license row we've seen with the callsign KC2DU, oldest first.
- SPOONHOWER, JOHN P NY2006-04-11 → cancelled 2011-04-15
- ULIANO, DOMINIC P NY2026-03-10 active