Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TSR callsign genealogy
Currently held by Rierden, Timothy S
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 W7TSR's current licensee, walking backwards.
- Rempel, Tracey SMTgranted 2021-02-12cancelled 2021-03-27
Successor callsigns
Callsigns held now by people who previously held W7TSR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TSR, oldest first.
- Rierden, Timothy S ID2006-01-10 → cancelled 2018-01-11
- Rempel, Tracey S MT2021-03-27 active