Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ESC callsign genealogy
Currently held by COLONNA, EDWARD 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 K4ESC's current licensee, walking backwards.
- COLONNA, EDWARD SVAgranted 2012-12-10cancelled 2013-03-22
Successor callsigns
Callsigns held now by people who previously held K4ESC.
No current licensee on record previously held this callsign.