Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9YMM callsign genealogy
Currently held by Frost, Trace 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 K9YMM's current licensee, walking backwards.
- Frost, Trace DWIgranted 2024-01-31cancelled 2024-04-26
Successor callsigns
Callsigns held now by people who previously held K9YMM.
No current licensee on record previously held this callsign.