Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL0WIZ callsign genealogy
Currently held by GEITGEY, JUDITH 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 KL0WIZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KL0WIZ.
- GEITGEY, JUDITH LKSgranted 2014-07-18cancelled 2026-07-21