Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ1Z callsign genealogy
Currently held by KEMP, PETER W
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 KZ1Z's current licensee, walking backwards.
- Sangillo, Keith ANHgranted 2017-11-14cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held KZ1Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ1Z, oldest first.
- KEMP, PETER W FL2015-01-13 → cancelled 2019-02-12
- Sangillo, Keith A NH2021-03-09 active