K7MDX
Active1x3District 7
Competitive callsign — 1 application filed with the FCC.
License HolderMacDonald, Nathan R
License ClassGeneral
Min. Class RequiredGeneral
LocationKenmore, WA
Grant DateMar 24, 2026
Expiration DateMay 10, 2036
K7MDX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MacDonald, Nathan R in Kenmore, WA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by MacDonald, Nathan R on Apr 21, 2016. K7MDX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... -- -.. -..-
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Seven Mike Delta X-ray
Readability: 8/10(High readability)
License History
- License RenewedMar 24, 2026
- Administrative Update AppliedNov 27, 2025
- License IssuedMay 10, 2016
- Vanity Callsign GrantedMay 10, 2016
- License ExpiredJul 3, 2015
- License RenewedJul 2, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- MacDonald, Nathan RFiled Apr 21, 2016Not awardedFCC ↗