Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KYS callsign genealogy
Currently held by Murphy, Marshall J
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 W1KYS's current licensee, walking backwards.
- Murphy, Marshall JINgranted 2023-04-12cancelled 2023-05-02
Successor callsigns
Callsigns held now by people who previously held W1KYS.
- Murphy, Marshall JINgranted 2023-07-21