Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8MAR callsign genealogy
Currently held by YOUNGMAN, TERRILL L
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 K8MAR's current licensee, walking backwards.
- Rust, Mark AOHgranted 2018-03-27cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held K8MAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8MAR, oldest first.
- YOUNGMAN, TERRILL L MI2009-12-01 → cancelled 2016-10-18
- Rust, Mark A OH2018-11-06 active