Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SAS callsign genealogy
Currently held by STOLNITZ, SKYE 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 K9SAS's current licensee, walking backwards.
- Baumgartner, Dean ACAgranted 2016-08-16cancelled 2019-04-23
Successor callsigns
Callsigns held now by people who previously held K9SAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9SAS, oldest first.
- STOLNITZ, SKYE A CA2003-01-14 → cancelled 2015-01-15
- Baumgartner, Dean A CA2019-04-23 active