Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WA1MJS callsign genealogy
Currently held by Shields, Matthew 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 WA1MJS's current licensee, walking backwards.
- Shields, Matthew JMEgranted 2008-02-06cancelled 2010-03-30
Successor callsigns
Callsigns held now by people who previously held WA1MJS.
- Shields, Matthew JMEgranted 2021-07-20