Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5UJM callsign genealogy
Currently held by KATY AMATEUR RADIO SOCIETY
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 KC5UJM'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 KC5UJM.
- KT5TXactiveKATY AMATEUR RADIO SOCIETYTXgranted 2023-02-07