Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1WO callsign genealogy
Currently held by Johnson Jr, Olof 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 AB1WO's current licensee, walking backwards.
- Johnson Jr, Olof CMAgranted 2014-09-04cancelled 2014-09-29
Successor callsigns
Callsigns held now by people who previously held AB1WO.
- Johnson Jr, Olof CMAgranted 2014-10-21