Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ISU callsign genealogy
Currently held by Durant, Tyler L
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 W7ISU's current licensee, walking backwards.
- Durant, Tyler LNVgranted 2020-04-22cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held W7ISU.
- Durant, Tyler LCAgranted 2022-02-15cancelled 2022-06-28
All historical holders
Every license row we've seen with the callsign W7ISU, oldest first.
- ISU AMATEUR RADIO CLUB ID2008-04-10 → cancelled 2020-04-23
- Durant, Tyler L WA2020-05-12 → cancelled 2022-02-15