Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4UOA callsign genealogy
Currently held by Richmond, Michael J
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 KA4UOA's current licensee, walking backwards.
- Richmond, Michael JFLgranted 2010-03-22cancelled 2010-04-16
Successor callsigns
Callsigns held now by people who previously held KA4UOA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4UOA, oldest first.
- WILSON, D ELLIOTT KY1996-11-14 → cancelled 2008-11-15
- Richmond, Michael J FL2020-04-07 active