Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TCB callsign genealogy
Currently held by FIFER, EVAN 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 K9TCB's current licensee, walking backwards.
- CHANDLER, MALCOLMGAgranted 2020-05-29cancelled 2020-06-16
Successor callsigns
Callsigns held now by people who previously held K9TCB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9TCB, oldest first.
- FIFER, EVAN M IL2006-03-07 → cancelled 2018-03-08
- CHANDLER, MALCOLM GA2020-06-16 active