Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB2OOI callsign genealogy
Currently held by Hartvik, Allen
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 WB2OOI's current licensee, walking backwards.
- HARTVIK, ALLENNYgranted 1996-12-18cancelled 2002-04-03
Successor callsigns
Callsigns held now by people who previously held WB2OOI.
No current licensee on record previously held this callsign.