Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA3JBT callsign genealogy
Currently held by MAYER, FRANK S
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 WA3JBT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA3JBT.