Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TCD callsign genealogy
Currently held by Davis, Tobi C
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 K9TCD's current licensee, walking backwards.
- Davis, Tobi CILgranted 2004-05-25cancelled 2007-03-02
Successor callsigns
Callsigns held now by people who previously held K9TCD.
No current licensee on record previously held this callsign.