Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MAS callsign genealogy
Currently held by Watson, Clark B
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 N7MAS's current licensee, walking backwards.
- Watson, Clark BUTgranted 2017-09-01cancelled 2017-09-23
Successor callsigns
Callsigns held now by people who previously held N7MAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7MAS, oldest first.
- SAYLOR, MARK A TX2005-01-14 → cancelled 2017-01-18
- Watson, Clark B UT2017-09-23 active