Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB1EMS callsign genealogy
Currently held by Thomas, Joseph F
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 WB1EMS's current licensee, walking backwards.
- THOMAS, JOSEPH FMAgranted 2006-08-19cancelled 2006-09-12
Successor callsigns
Callsigns held now by people who previously held WB1EMS.
No current licensee on record previously held this callsign.