Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4MLB callsign genealogy
Currently held by COOKE, ALLAN C
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 KC4MLB's current licensee, walking backwards.
- Bolton, Marcia BSCgranted 2006-08-18cancelled 2006-09-08
Successor callsigns
Callsigns held now by people who previously held KC4MLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4MLB, oldest first.
- COOKE, ALLAN C VA1989-09-12 → cancelled 2001-09-13
- Bolton, Marcia B SC2016-06-16 active