Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TBI callsign genealogy
Currently held by HITCHCOCK, WILLIAM R
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 W7TBI's current licensee, walking backwards.
- HITCHCOCK, WILLIAM RMTgranted 2019-09-10cancelled 2019-10-01
Successor callsigns
Callsigns held now by people who previously held W7TBI.
No current licensee on record previously held this callsign.