Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CMU callsign genealogy
Currently held by Underwood, Kurt W
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 K5CMU's current licensee, walking backwards.
- Underwood, Kurt WARgranted 2022-04-04cancelled 2023-05-02
Successor callsigns
Callsigns held now by people who previously held K5CMU.
No current licensee on record previously held this callsign.