Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4ZRY callsign genealogy
Currently held by Baldwin, David D
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 WA4ZRY's current licensee, walking backwards.
- Baldwin, David DFLgranted 2015-09-25cancelled 2015-11-21
Successor callsigns
Callsigns held now by people who previously held WA4ZRY.
No current licensee on record previously held this callsign.