Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MAS callsign genealogy
Currently held by POLKINGHON, RAY G
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 W7MAS's current licensee, walking backwards.
- Sanford, Mary AnneORgranted 2004-11-23cancelled 2006-02-14
Successor callsigns
Callsigns held now by people who previously held W7MAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MAS, oldest first.
- POLKINGHON, RAY G AZ1988-01-19 → cancelled 2000-01-20
- Sanford, Mary Anne OR2016-03-02 active