Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ7T callsign genealogy
Currently held by Stimson, Randolph A
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 KZ7T's current licensee, walking backwards.
- Hoffman, Thomas RMTgranted 2016-08-29cancelled 2019-05-21
Successor callsigns
Callsigns held now by people who previously held KZ7T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ7T, oldest first.
- Stimson, Randolph A OR2007-02-01 → cancelled 2019-05-01
- Hoffman, Thomas R MT2019-05-21 active