Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SAM callsign genealogy
Currently held by MULLER, SETH
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 K5SAM's current licensee, walking backwards.
- MULLER, SETHNMgranted 2009-09-30cancelled 2018-02-06
Successor callsigns
Callsigns held now by people who previously held K5SAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5SAM, oldest first.
- JUST, HENRY J OK2005-03-28 → cancelled 2017-06-23
- MULLER, SETH NM2018-02-06 active