Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DIO callsign genealogy
Currently held by FAIRBANK, ERNEST G
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 W7DIO's current licensee, walking backwards.
- DICKERSON III, WILLIAM RWAgranted 2015-10-15cancelled 2019-11-19
Successor callsigns
Callsigns held now by people who previously held W7DIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DIO, oldest first.
- FAIRBANK, ERNEST G TX1989-07-25 → cancelled 2001-07-26
- DICKERSON III, WILLIAM R WA2019-11-19 active