Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3BAT callsign genealogy
Currently held by Masterson, Richard L
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 W3BAT's current licensee, walking backwards.
- RUBY, MARK APAgranted 2011-09-20cancelled 2015-10-24
Successor callsigns
Callsigns held now by people who previously held W3BAT.
- MASTERSON, RICHARD LKYgranted 2017-11-28
All historical holders
Every license row we've seen with the callsign W3BAT, oldest first.
- Masterson, Richard L KY2006-10-03 → cancelled 2008-01-26
- RUBY, MARK A PA2025-09-10 active