Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K2SW callsign genealogy
Currently held by Adamowicz, Stephen 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 K2SW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K2SW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2SW, oldest first.
- Adamowicz, Stephen W NJ2006-08-22 → cancelled 2016-03-16
- PAYNE JR, HARRY B UT2018-04-06 active