Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MB callsign genealogy
Currently held by Blackburn, Oliver K
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 W0MB's current licensee, walking backwards.
- BOGARD, MICHAEL LMOgranted 2009-10-14cancelled 2015-11-24
Successor callsigns
Callsigns held now by people who previously held W0MB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MB, oldest first.
- Blackburn, Oliver K MO2004-11-10 → cancelled 2013-11-05
- BOGARD, MICHAEL L MO2025-09-04 active