Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ESN callsign genealogy
Currently held by SYREK, JOSEPH J
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 K1ESN's current licensee, walking backwards.
- NICHOLS, ERIC SALgranted 2014-08-19cancelled 2017-07-08
Successor callsigns
Callsigns held now by people who previously held K1ESN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1ESN, oldest first.
- SYREK, JOSEPH J MA1997-11-10 → cancelled 2009-11-11
- NICHOLS, ERIC S AL2017-07-08 active