K7XX
Expired1x2District 7
Competitive callsign — 14 applications filed with the FCC.
License HolderWeiss, Grover J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMaricopa, AZ
Grant DateOct 11, 2014
Expiration DateOct 11, 2024
Available for ApplicationsOct 12, 2026
K7XX is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Weiss, Grover J in Maricopa, AZ. This callsign has attracted significant interest in the amateur radio community, with 14 vanity applications filed with the FCC. The most recent was submitted by Crosley, Michael K on Jun 8, 2026. K7XX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... -..- -..-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Seven X-ray X-ray
Readability: 8/10(High readability)
Available Oct 12, 2026 (94 days remaining)
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License IssuedOct 11, 2014
- Vanity Callsign GrantedOct 11, 2014
- Internal Correction AppliedFeb 8, 2013
- Internal Correction AppliedFeb 8, 2013
- Tax ID (TIN) AddedOct 9, 2002
- License RenewedOct 9, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.