Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5YDI callsign genealogy
Currently held by PETRI, BARBARA G
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 KF5YDI's current licensee, walking backwards.
- PETRI, BARBARA GTXgranted 2015-06-09cancelled 2017-03-17
Successor callsigns
Callsigns held now by people who previously held KF5YDI.
- ZIMMERMAN, MINNIE BTXgranted 2023-09-07
All historical holders
Every license row we've seen with the callsign KF5YDI, oldest first.
- Zimmerman, Minnie B TX2013-09-04 → cancelled 2013-09-27
- PETRI, BARBARA G TX2017-03-17 active