Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5UM callsign genealogy
Currently held by GARRETT, LEO E
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 KC5UM'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 KC5UM.
- GARRETT, LEO ETXgranted 2009-05-15cancelled 2021-05-18