Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB2OOO callsign genealogy
Currently held by Klassert, Chris C
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 WB2OOO's current licensee, walking backwards.
- Klassert, Chris CNYgranted 2012-02-02cancelled 2012-04-17
Successor callsigns
Callsigns held now by people who previously held WB2OOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB2OOO, oldest first.
- KLASSERT, CHARLES C NY1997-01-30 → cancelled 2009-01-31
- Klassert, Chris C NY2022-04-12 active