N7MRB
Active1x3District 7
Competitive callsign — 4 applications filed with the FCC.
License HolderMansfield, David J
License ClassTechnician
Min. Class RequiredGeneral
LocationSan Antonio, TX
Grant DateJan 30, 2026
Expiration DateMar 31, 2036
N7MRB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mansfield, David J in San Antonio, TX. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by BAKER SR, MICHAEL R on Mar 10, 2006. N7MRB has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. --... -- .-. -...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
November Seven Mike Romeo Bravo
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedFeb 2, 2026
- License RenewedJan 30, 2026
- Authorization PrintedMar 23, 2016
- Reference Copy Duplicate RequestedMar 22, 2016
- License RenewedJan 12, 2016
- Administrative Update AppliedApr 21, 2006
- License ModifiedApr 4, 2006
- License IssuedMar 31, 2006
- Vanity Callsign GrantedMar 31, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.