Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1ESX callsign genealogy
Currently held by WALSH, DAVID S
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 KB1ESX's current licensee, walking backwards.
- WALSH, DAVID SMAgranted 1995-04-20cancelled 1999-12-28
Successor callsigns
Callsigns held now by people who previously held KB1ESX.
No current licensee on record previously held this callsign.