Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7SAM callsign genealogy
Currently held by BROWN, SAMUEL 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 KF7SAM's current licensee, walking backwards.
- BROWN, SAMUEL AUTgranted 2007-05-01cancelled 2015-10-23
Successor callsigns
Callsigns held now by people who previously held KF7SAM.
- McCallister, Duane CORgranted 2021-07-21
All historical holders
Every license row we've seen with the callsign KF7SAM, oldest first.
- McCallister, Duane C OR2011-10-18 → cancelled 2011-12-23
- BROWN, SAMUEL A UT2025-09-20 active