Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9FAL callsign genealogy
Currently held by Bierschenk, Trenton 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 K9FAL's current licensee, walking backwards.
- Bierschenk, Trenton WILgranted 2019-03-13cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held K9FAL.
No current licensee on record previously held this callsign.