Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4ABD callsign genealogy
Currently held by Smolowitz, Arthur
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 WA4ABD's current licensee, walking backwards.
- Smolowitz, ArthurFLgranted 2021-02-01cancelled 2021-03-02
Successor callsigns
Callsigns held now by people who previously held WA4ABD.
- Smolowitz, ArthurFLgranted 2021-05-22