Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB3YO callsign genealogy
Currently held by Wenrich, Colin J
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 AB3YO's current licensee, walking backwards.
- Wenrich, Colin JPAgranted 2015-11-19cancelled 2016-01-13
Successor callsigns
Callsigns held now by people who previously held AB3YO.
No current licensee on record previously held this callsign.