Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB2OSO callsign genealogy
Currently held by Aibel, Keith
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 WB2OSO's current licensee, walking backwards.
- Aibel, KeithNYgranted 2024-01-09cancelled 2024-01-27
Successor callsigns
Callsigns held now by people who previously held WB2OSO.
No current licensee on record previously held this callsign.