N7DMA
Active1x3District 7
Competitive callsign — 2 applications filed with the FCC.
License HolderRIFENBARK, KARL E
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationTucson, AZ
Grant DateSep 21, 2020
Expiration DateNov 28, 2030
N7DMA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RIFENBARK, KARL E in Tucson, AZ. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by JOHNSON, GARY L on Nov 7, 2000. N7DMA has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. --... -.. -- .-
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
November Seven Delta Mike Alpha
Readability: 7.5/10(High readability)
License History
- License RenewedSep 21, 2020
- License ModifiedMar 10, 2015
- License RenewedSep 9, 2010
- Administrative Update AppliedJun 3, 2003
- Administrative Update AppliedNov 14, 2002
- Administrative Update AppliedSep 27, 2001
- Administrative Update AppliedMay 30, 2001
- License IssuedNov 28, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.