Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0WRL callsign genealogy
Currently held by GELHAR, ELMER 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 W0WRL's current licensee, walking backwards.
- GELHAR, MIKE HMNgranted 2023-06-24cancelled 2024-02-09
Successor callsigns
Callsigns held now by people who previously held W0WRL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0WRL, oldest first.
- GELHAR, ELMER A MN2003-08-12 → cancelled 2015-11-11
- GELHAR, MIKE H MN2024-02-09 active