Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1KZ callsign genealogy
Currently held by Fritz, Robert 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 AB1KZ's current licensee, walking backwards.
- Fritz, Robert JCTgranted 2008-07-03cancelled 2009-07-07
Successor callsigns
Callsigns held now by people who previously held AB1KZ.
- Fritz, Robert JAZgranted 2019-08-27