Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9YPM callsign genealogy
Currently held by Morrison II, Michael S
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 K9YPM's current licensee, walking backwards.
- Morrison II, Michael SINgranted 2018-10-15cancelled 2018-11-02
Successor callsigns
Callsigns held now by people who previously held K9YPM.
No current licensee on record previously held this callsign.