Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9TCA callsign genealogy
Currently held by Visser, Selena M
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 K9TCA's current licensee, walking backwards.
- Visser, Selena MILgranted 2010-07-01cancelled 2018-10-30
Successor callsigns
Callsigns held now by people who previously held K9TCA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9TCA, oldest first.
- BUCHNER, WILLIAM F IL1997-01-06 → cancelled 2009-01-07
- Visser, Selena M IL2018-10-30 active