Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SAM callsign genealogy
Currently held by Shafer, Samuel 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 K6SAM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6SAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SAM, oldest first.
- MC COY, RICHARD C CA2016-07-07 → cancelled 2021-06-18
- Shafer, Samuel D CA2023-07-11 active