Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6MMS callsign genealogy
Currently held by Sparks, Matthew M
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 N6MMS's current licensee, walking backwards.
- Sparks, Matthew MCAgranted 2011-06-09cancelled 2017-02-18
Successor callsigns
Callsigns held now by people who previously held N6MMS.
- Jones, Robert WUTgranted 2011-08-30cancelled 2020-12-29