Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7OTJ callsign genealogy
Currently held by HAMMOND, WILLIAM 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 W7OTJ's current licensee, walking backwards.
- HAMMOND, WILLIAM RWAgranted 2015-10-21cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held W7OTJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7OTJ, oldest first.
- HAMMOND, WILLIAM G MT1994-08-18 → cancelled 1997-12-01
- Hammond, Charles G AZ2005-04-29 → cancelled 2017-05-02
- HAMMOND, WILLIAM R WA2018-11-24 active