Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CEO callsign genealogy
Currently held by Zarlengo, Gary A
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 K0CEO's current licensee, walking backwards.
- ZARLENGO, GARY ACOgranted 1995-08-17cancelled 2001-03-13
Successor callsigns
Callsigns held now by people who previously held K0CEO.
No current licensee on record previously held this callsign.