Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4OUF callsign genealogy
Currently held by SAMS JR, MICHAEL S
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 KJ4OUF's current licensee, walking backwards.
- SAMS JR, MICHAEL SNCgranted 2006-07-18cancelled 2009-09-08
Successor callsigns
Callsigns held now by people who previously held KJ4OUF.
- SAMS JR, MICHAEL SNCgranted 2016-06-16