Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4ES callsign genealogy
Currently held by STROBERG, JON E
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 WA4ES's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA4ES.
No current licensee on record previously held this callsign.