Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA9IZA callsign genealogy
Currently held by BITTNER, ALLAN S
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 WA9IZA's current licensee, walking backwards.
- BITTNER, ALLAN SIDgranted 1989-06-20cancelled 2000-08-15
Successor callsigns
Callsigns held now by people who previously held WA9IZA.
No current licensee on record previously held this callsign.