Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4TNU callsign genealogy
Currently held by Carroll, Shawn R
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 KM4TNU'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 KM4TNU.
- Carroll 608, Shawn RVAgranted 2016-05-17