Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1SLS callsign genealogy
Currently held by BEAUVAIS, JOSHUA A
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 KA1SLS's current licensee, walking backwards.
- Swartz, Suzan LDEgranted 2010-07-02cancelled 2010-07-24
Successor callsigns
Callsigns held now by people who previously held KA1SLS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1SLS, oldest first.
- BEAUVAIS, JOSHUA A MA1988-07-26 → cancelled 2000-07-27
- SWARTZ, SUZAN L DE2020-07-14 active