Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DRT callsign genealogy
Currently held by WHISMAN, GARY W
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 K9DRT's current licensee, walking backwards.
- Whisman, Gary WINgranted 2004-03-19cancelled 2004-04-09
Successor callsigns
Callsigns held now by people who previously held K9DRT.
No current licensee on record previously held this callsign.