Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CPN callsign genealogy
Currently held by Murphy, David G
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 W1CPN's current licensee, walking backwards.
- Murphy, David GMAgranted 2018-10-10cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held W1CPN.
No current licensee on record previously held this callsign.