Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SPC callsign genealogy
Currently held by Kater, Samuel 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 K9SPC's current licensee, walking backwards.
- Kater, Samuel JOKgranted 2017-09-14cancelled 2017-10-17
Successor callsigns
Callsigns held now by people who previously held K9SPC.
No current licensee on record previously held this callsign.