Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4COO callsign genealogy
Currently held by COOLEY, MICHAEL T
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 W4COO's current licensee, walking backwards.
- Cooley, Michael TVAgranted 2015-02-23cancelled 2015-10-14
Successor callsigns
Callsigns held now by people who previously held W4COO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4COO, oldest first.
- JONES, GORDON GA1988-08-02 → cancelled 2000-08-03
- COOLEY, MICHAEL T VA2025-12-30 active