Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF7JTK callsign genealogy
Currently held by Newman-Matt, Sharon 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 KF7JTK's current licensee, walking backwards.
- Newman -Matt, Sharon LAZgranted 2008-10-03cancelled 2017-11-25
Successor callsigns
Callsigns held now by people who previously held KF7JTK.
- FRANKE, CAITLYN EMTgranted 2020-05-05
All historical holders
Every license row we've seen with the callsign KF7JTK, oldest first.
- FRANKE, CAITLYN E MT2010-05-05 → cancelled 2010-06-02
- Newman-Matt, Sharon L AZ2017-11-25 active