Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WO7MMM callsign genealogy
Currently held by Walker, Annie
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 WO7MMM's current licensee, walking backwards.
- Walker, AnnieWAgranted 2017-02-22cancelled 2017-04-07
Successor callsigns
Callsigns held now by people who previously held WO7MMM.
No current licensee on record previously held this callsign.