K9EX
Active1x2District 9
Competitive callsign — 2 applications filed with the FCC.
License HolderMARTINDALE, JOHN H
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationGreen Valley, AZ
Grant DateMar 12, 2026
Expiration DateMay 31, 2036
K9EX is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by MARTINDALE, JOHN H in Green Valley, 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 Howard, Thomas L on Aug 11, 2000. K9EX has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----. . -..-
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Nine Echo X-ray
Readability: 8.5/10(High readability)
License History
- License RenewedMar 12, 2026
- Administrative Update AppliedDec 19, 2025
- Administrative Update AppliedSep 10, 2019
- Administrative Update AppliedFeb 9, 2018
- License RenewedMay 12, 2016
- Tax ID (TIN) AddedMay 10, 2006
- License RenewedMay 10, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.