Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB3JMF callsign genealogy
Currently held by Foster, James M
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 WB3JMF's current licensee, walking backwards.
- Foster, James MPAgranted 2010-11-23cancelled 2012-05-19
Successor callsigns
Callsigns held now by people who previously held WB3JMF.
- Foster, James MPAgranted 2023-08-08