Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4MAO callsign genealogy
Currently held by OSBORNE, MYRA
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 W4MAO's current licensee, walking backwards.
- OSBORNE, MYRASCgranted 2014-04-28cancelled 2014-05-20
Successor callsigns
Callsigns held now by people who previously held W4MAO.
No current licensee on record previously held this callsign.