Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0LMK callsign genealogy
Currently held by Ullrich, Le Roy C
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 W0LMK's current licensee, walking backwards.
- Ullrich, Le Roy CMNgranted 2017-06-01cancelled 2017-10-13
Successor callsigns
Callsigns held now by people who previously held W0LMK.
No current licensee on record previously held this callsign.