Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SWO callsign genealogy
Currently held by OSTERGAARD, KEVIN J
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 K7SWO's current licensee, walking backwards.
- OSTERGAARD, KEVIN JUTgranted 2021-02-23cancelled 2022-04-16
Successor callsigns
Callsigns held now by people who previously held K7SWO.
No current licensee on record previously held this callsign.