Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7OM callsign genealogy
Currently held by Regan, Patrick D
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 KB7OM's current licensee, walking backwards.
- REGAN, PATRICK DAZgranted 2012-08-10cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held KB7OM.
- NELSON, DONALD WWAgranted 2017-07-19
All historical holders
Every license row we've seen with the callsign KB7OM, oldest first.
- Regan, Patrick D AZ2022-01-07 active
- NELSON, DONALD W— → cancelled 1997-10-16