Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4AVI callsign genealogy
Currently held by BAUMSTEIN, AVI H
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 W4AVI's current licensee, walking backwards.
- BAUMSTEIN, AVI HFLgranted 2014-05-09cancelled 2016-01-22
Successor callsigns
Callsigns held now by people who previously held W4AVI.
No current licensee on record previously held this callsign.