Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4TRX callsign genealogy
Currently held by BLANKENSHIP, TYLER D
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 KO4TRX's current licensee, walking backwards.
- BLANKENSHIP, TYLER DNCgranted 2021-04-12cancelled 2021-07-16
Successor callsigns
Callsigns held now by people who previously held KO4TRX.
No current licensee on record previously held this callsign.