Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9AZO callsign genealogy
Currently held by WALTER, JAMES 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 W9AZO's current licensee, walking backwards.
- Nicholson, CameronCAgranted 2025-01-07cancelled 2026-06-13
Successor callsigns
Callsigns held now by people who previously held W9AZO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9AZO, oldest first.
- WALTER, JAMES E OH1996-04-22 → cancelled 2008-04-23
- Nicholson, Cameron CA2026-06-13 active