Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3GTB callsign genealogy
Currently held by Hill, Colin W
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 K3GTB's current licensee, walking backwards.
- Hill, Colin WDEgranted 2017-03-22cancelled 2017-04-21
Successor callsigns
Callsigns held now by people who previously held K3GTB.
No current licensee on record previously held this callsign.