Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WZ5ZZ callsign genealogy
Currently held by WITTKOWER, ROBERT S
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 WZ5ZZ's current licensee, walking backwards.
- WITTKOWER, ROBERT STXgranted 2000-01-19cancelled 2005-04-19
Successor callsigns
Callsigns held now by people who previously held WZ5ZZ.
No current licensee on record previously held this callsign.