Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7IOF callsign genealogy
Currently held by Graham, Brooks D
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 W7IOF's current licensee, walking backwards.
- Graham, Brooks DCAgranted 2019-06-20cancelled 2019-07-09
Successor callsigns
Callsigns held now by people who previously held W7IOF.
No current licensee on record previously held this callsign.