Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9DY callsign genealogy
Currently held by POSTAVA II, WALTER 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 AB9DY's current licensee, walking backwards.
- POSTAVA II, WALTER EILgranted 1995-03-20cancelled 2002-02-04
Successor callsigns
Callsigns held now by people who previously held AB9DY.
No current licensee on record previously held this callsign.