Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO0OOO callsign genealogy
Currently held by Annis, John E
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 WO0OOO's current licensee, walking backwards.
- Annis, John EOKgranted 2011-09-16cancelled 2016-12-20
Successor callsigns
Callsigns held now by people who previously held WO0OOO.
No current licensee on record previously held this callsign.