Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7TZ callsign genealogy
Currently held by ROSEMA, KEVIN B
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 KF7TZ's current licensee, walking backwards.
- Chartier, Kenneth AORgranted 2012-01-12cancelled 2017-05-16
Successor callsigns
Callsigns held now by people who previously held KF7TZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7TZ, oldest first.
- ROSEMA, KEVIN B WA1992-06-23 → cancelled 2004-06-24
- Chartier, Kenneth A OR2017-05-16 active