Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SF callsign genealogy
Currently held by MILLER, SCOTT D
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 K9SF's current licensee, walking backwards.
- MILLER, SCOTT DILgranted 2005-07-27cancelled 2015-04-17
Successor callsigns
Callsigns held now by people who previously held K9SF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9SF, oldest first.
- STRYKER, STEVEN S IL2004-02-28 → cancelled 2013-03-28
- MILLER, SCOTT D TX2026-01-06 active