Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MAY callsign genealogy
Currently held by Mayo, Paul 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 W4MAY's current licensee, walking backwards.
- Mayo, Paul DFLgranted 2003-02-05cancelled 2003-02-25
Successor callsigns
Callsigns held now by people who previously held W4MAY.
- Jackson, Robert BKYgranted 2020-03-13cancelled 2023-12-09
All historical holders
Every license row we've seen with the callsign W4MAY, oldest first.
- JACKSON, ROBERT B KY1997-10-07 → cancelled 2000-06-06
- Mayo, Paul D FL2022-12-08 active