Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MUT callsign genealogy
Currently held by LAUSTSEN, DOUGLAS D
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 K9MUT's current licensee, walking backwards.
- N1RBHcancelledcancelled 1998-02-26
Successor callsigns
Callsigns held now by people who previously held K9MUT.
No current licensee on record previously held this callsign.