Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3ARN callsign genealogy
Currently held by Landvoigt, William A
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 K3ARN's current licensee, walking backwards.
- Landvoigt, William AMDgranted 2018-02-20cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held K3ARN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3ARN, oldest first.
- MILLER, CHARLES H MD2006-09-21 → cancelled 2018-12-20
- Landvoigt, William A MD2019-02-20 active