Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DSW callsign genealogy
Currently held by WALONICK, DAVID S
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 K9DSW's current licensee, walking backwards.
- WALONICK, DAVID SWIgranted 2007-09-06cancelled 2013-04-26
Successor callsigns
Callsigns held now by people who previously held K9DSW.
No current licensee on record previously held this callsign.