Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3SDH callsign genealogy
Currently held by Holowach, Stephen D
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 K3SDH's current licensee, walking backwards.
- Holowach, Stephen DPAgranted 2000-12-12cancelled 2001-01-05
Successor callsigns
Callsigns held now by people who previously held K3SDH.
No current licensee on record previously held this callsign.