Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0YMU callsign genealogy
Currently held by TRASK, FRANK L
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 KA0YMU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KA0YMU.
- TRASK, FRANK LMSgranted 2017-08-29