Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SMS callsign genealogy
Currently held by SWEARINGEN, SUSAN M
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 K9SMS's current licensee, walking backwards.
- SWEARINGEN, SUSAN MILgranted 1997-05-15cancelled 2000-02-08
Successor callsigns
Callsigns held now by people who previously held K9SMS.
No current licensee on record previously held this callsign.