Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0TWX callsign genealogy
Currently held by Frederick, Eddy R
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 K0TWX's current licensee, walking backwards.
- Frederick, Eddy RKSgranted 2020-10-13cancelled 2020-11-03
Successor callsigns
Callsigns held now by people who previously held K0TWX.
No current licensee on record previously held this callsign.