Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1YW callsign genealogy
Currently held by Murphy, Thomas R
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 AB1YW's current licensee, walking backwards.
- Murphy, Thomas RMEgranted 2014-12-02cancelled 2016-02-03
Successor callsigns
Callsigns held now by people who previously held AB1YW.
- Murphy, Thomas RMEgranted 2023-03-14