Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4GT callsign genealogy
Currently held by DUFF, ROBERT E
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 KV4GT's current licensee, walking backwards.
- DUFF, ROBERT EGAgranted 1999-02-05cancelled 2003-01-24
Successor callsigns
Callsigns held now by people who previously held KV4GT.
No current licensee on record previously held this callsign.