Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7OB callsign genealogy
Currently held by Deller, Robert W
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 AI7OB's current licensee, walking backwards.
- Deller, Robert WUTgranted 2015-07-21cancelled 2022-07-21
Successor callsigns
Callsigns held now by people who previously held AI7OB.
No current licensee on record previously held this callsign.