Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1XOO callsign genealogy
Currently held by Ciejka, Ronald P
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 W1XOO's current licensee, walking backwards.
- Ciejka, Ronald PMAgranted 2008-08-21cancelled 2016-05-17
Successor callsigns
Callsigns held now by people who previously held W1XOO.
No current licensee on record previously held this callsign.