Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7JNZ callsign genealogy
Currently held by Maize, Karen 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 KD7JNZ's current licensee, walking backwards.
- Janz, David CAZgranted 2012-10-19cancelled 2012-11-14
Successor callsigns
Callsigns held now by people who previously held KD7JNZ.
- Maize, Karen LAZgranted 2021-05-28
All historical holders
Every license row we've seen with the callsign KD7JNZ, oldest first.
- Maize, Karen L AZ2000-06-21 → cancelled 2000-07-18
- Janz, David C AZ2012-11-14 → cancelled 2024-12-04