Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3EIF callsign genealogy
Currently held by CHESKIS, IRVIN
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 K3EIF's current licensee, walking backwards.
- Cheskis, David JNJgranted 2002-06-12cancelled 2002-07-13
Successor callsigns
Callsigns held now by people who previously held K3EIF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3EIF, oldest first.
- CHESKIS, IRVIN PA1988-10-25 → cancelled 2000-10-26
- Cheskis, David J PA2023-04-27 active