Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ESQ callsign genealogy
Currently held by GILLIS, 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 K1ESQ's current licensee, walking backwards.
- GILLIS, COLIN Wcancelled 1998-10-27
Successor callsigns
Callsigns held now by people who previously held K1ESQ.
No current licensee on record previously held this callsign.