Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MLJ callsign genealogy
Currently held by COOK, HERSCHEL M
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 W5MLJ's current licensee, walking backwards.
- Cook, Michael SMSgranted 2016-09-09cancelled 2016-10-01
Successor callsigns
Callsigns held now by people who previously held W5MLJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5MLJ, oldest first.
- COOK, HERSCHEL M MS1995-01-25 → cancelled 2007-01-26
- Cook, Michael S MS2016-10-01 active