Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC8OZR callsign genealogy
Currently held by CROWDER, SHANNON R
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 KC8OZR's current licensee, walking backwards.
- Holzer, Charles CMIgranted 2021-06-15cancelled 2021-07-03
Successor callsigns
Callsigns held now by people who previously held KC8OZR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC8OZR, oldest first.
- CROWDER, SHANNON R MI2000-06-30 → cancelled 2012-07-03
- Holzer, Charles C MI2021-07-03 active