Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MAD callsign genealogy
Currently held by O KEEFE, JACK V
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 W9MAD's current licensee, walking backwards.
- KE9CQAcancelledMadison County IL ElmersILgranted 2025-02-21cancelled 2025-03-11
Successor callsigns
Callsigns held now by people who previously held W9MAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MAD, oldest first.
- O KEEFE, JACK V FL2012-04-14 → cancelled 2024-06-11
- Madison County IL Elmers IL2025-03-11 active