Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF4RAT callsign genealogy
Currently held by Harris, Gregory 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 WF4RAT's current licensee, walking backwards.
- Harris, Gregory HGAgranted 2025-09-16cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held WF4RAT.
No current licensee on record previously held this callsign.