Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY9WYO callsign genealogy
Currently held by Baldacci, Collin
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 WY9WYO's current licensee, walking backwards.
- Baldacci, Collin MWYgranted 2015-05-21cancelled 2015-10-17
Successor callsigns
Callsigns held now by people who previously held WY9WYO.
- Baldacci, Collin MWYgranted 2017-02-10