Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DBQ callsign genealogy
Currently held by Whisman, Michael 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 K9DBQ's current licensee, walking backwards.
- Whisman, Michael TINgranted 2003-01-22cancelled 2009-07-28
Successor callsigns
Callsigns held now by people who previously held K9DBQ.
No current licensee on record previously held this callsign.