Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1UBU callsign genealogy
Currently held by BENNETT, MARK W
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 W1UBU's current licensee, walking backwards.
- BENNETT, MARK WMAgranted 2012-12-11cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W1UBU.
No current licensee on record previously held this callsign.