Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3COW callsign genealogy
Currently held by MURPHY, RAYMOND E
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 K3COW's current licensee, walking backwards.
- McCarthy, Michael PFLgranted 2016-12-02cancelled 2020-03-20
Successor callsigns
Callsigns held now by people who previously held K3COW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3COW, oldest first.
- MURPHY, RAYMOND E MD1997-11-28 → cancelled 2009-12-01
- McCarthy, Michael P FL2020-03-20 active