Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K0ISC callsign genealogy
Currently held by Chait, Ilan 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 K0ISC's current licensee, walking backwards.
- Chait, Ilan SCOgranted 2022-08-30cancelled 2022-10-04
Successor callsigns
Callsigns held now by people who previously held K0ISC.
No current licensee on record previously held this callsign.