Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MTM callsign genealogy
Currently held by SPOFFORD, EARL A
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 W7MTM's current licensee, walking backwards.
- MANSFIELD, MICHELE TUTgranted 2017-01-18cancelled 2024-03-12
Successor callsigns
Callsigns held now by people who previously held W7MTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MTM, oldest first.
- SPOFFORD, EARL A WA2007-11-30 → cancelled 2020-02-25
- MANSFIELD, MICHELE T UT2024-03-12 active