Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1GBP callsign genealogy
Currently held by Hamilton, Robert G
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 W1GBP's current licensee, walking backwards.
- Hamilton, Robert GCTgranted 2000-02-25cancelled 2000-03-24
Successor callsigns
Callsigns held now by people who previously held W1GBP.
- Hamilton, Robert GFLgranted 2020-05-01