Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO4GQ callsign genealogy
Currently held by Giannone, Frank 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 WO4GQ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WO4GQ.
No current licensee on record previously held this callsign.