Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SAK callsign genealogy
Currently held by Keim, Katherine
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 K9SAK's current licensee, walking backwards.
- Keim, KatherineKSgranted 2023-03-08cancelled 2023-10-06
Successor callsigns
Callsigns held now by people who previously held K9SAK.
No current licensee on record previously held this callsign.