Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DOK callsign genealogy
Currently held by Hallman, Tim 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 K9DOK's current licensee, walking backwards.
- Hallman, Tim WOKgranted 2015-12-21cancelled 2016-04-15
Successor callsigns
Callsigns held now by people who previously held K9DOK.
No current licensee on record previously held this callsign.