Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3CZS callsign genealogy
Currently held by CALL, ROBERT B
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 W3CZS's current licensee, walking backwards.
- CALL, ROBERT BCOgranted 2007-03-13cancelled 2015-01-13
Successor callsigns
Callsigns held now by people who previously held W3CZS.
No current licensee on record previously held this callsign.