Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SMM callsign genealogy
Currently held by Crais, Tom 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 K6SMM's current licensee, walking backwards.
- Crais, Tom WLAgranted 2008-02-27cancelled 2017-06-10
Successor callsigns
Callsigns held now by people who previously held K6SMM.
No current licensee on record previously held this callsign.