Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1ETI callsign genealogy
Currently held by Sieracki, Christian 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 W1ETI's current licensee, walking backwards.
- Sieracki, Christian JMEgranted 2015-12-10cancelled 2020-08-04
Successor callsigns
Callsigns held now by people who previously held W1ETI.
No current licensee on record previously held this callsign.