Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6IRZ callsign genealogy
Currently held by Gislon, David C
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 WB6IRZ's current licensee, walking backwards.
- Gislon, David CCAgranted 2011-02-07cancelled 2016-02-19
Successor callsigns
Callsigns held now by people who previously held WB6IRZ.
No current licensee on record previously held this callsign.