Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3DLK callsign genealogy
Currently held by SMELTZER, WILLIAM T
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 K3DLK's current licensee, walking backwards.
- Kincaid Jr, Douglas LPAgranted 2004-03-29cancelled 2009-07-21
Successor callsigns
Callsigns held now by people who previously held K3DLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3DLK, oldest first.
- SMELTZER, WILLIAM T PA1994-12-12 → cancelled 2006-12-13
- Kincaid Jr., Douglas L PA2019-05-24 active