Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8GZL callsign genealogy
Currently held by FIRTH, ROBERT H
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 W8GZL's current licensee, walking backwards.
- MORTER, DAVID EOHgranted 2000-02-16cancelled 2009-10-03
Successor callsigns
Callsigns held now by people who previously held W8GZL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8GZL, oldest first.
- FIRTH, ROBERT H OH1997-02-20 → cancelled 2009-02-21
- Morter, David E OH2019-07-24 active