Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9KZI callsign genealogy
Currently held by KIRCHMEIER SR, PHILIP C
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 WB9KZI's current licensee, walking backwards.
- Kirchmeier Sr, Andrew SWIgranted 2014-08-27cancelled 2018-02-13
Successor callsigns
Callsigns held now by people who previously held WB9KZI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB9KZI, oldest first.
- KIRCHMEIER SR, PHILIP C WI2016-05-06 → cancelled 2016-10-02
- Kirchmeier Sr, Andrew S WI2018-02-13 active