Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ZTI callsign genealogy
Currently held by Brand, Michael E
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 W7ZTI's current licensee, walking backwards.
- Brand, Michael EWAgranted 2018-06-20cancelled 2018-07-10
Successor callsigns
Callsigns held now by people who previously held W7ZTI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ZTI, oldest first.
- SABOURIN, JOHN K WA1995-12-15 → cancelled 2007-12-18
- Brand, Michael E WA2018-07-10 active