Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K4COC callsign genealogy
Currently held by Mallette, Randy L
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 K4COC's current licensee, walking backwards.
- Mallette, Randy LFLgranted 2009-01-27cancelled 2014-04-18
Successor callsigns
Callsigns held now by people who previously held K4COC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4COC, oldest first.
- NEWMAN, WILLIE E TN1988-01-05 → cancelled 2000-01-06
- Mallette, Randy L FL2014-04-18 → cancelled 2026-04-21