Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4OTZ callsign genealogy
Currently held by KLOTZ, TAYLOR J
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 K4OTZ's current licensee, walking backwards.
- Klotz, Taylor JGAgranted 2009-05-13cancelled 2009-12-08
Successor callsigns
Callsigns held now by people who previously held K4OTZ.
No current licensee on record previously held this callsign.