AI4XX
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderHAEDERLI, ALFRED F
License ClassAdvanced
Min. Class RequiredGeneral
LocationMINNEAPOLIS, MN
Grant DateMar 10, 2015
Expiration DateMar 10, 2025
Cancellation DateAug 23, 2021
Available for ApplicationsAug 24, 2023
AI4XX is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by HAEDERLI, ALFRED F in MINNEAPOLIS, MN. 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 COLCLOUGH, DOUGLAS D on Feb 20, 2015. AI4XX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .. ....- -..- -..-
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Alpha India Four X-ray X-ray
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledAug 23, 2021
- License IssuedMar 10, 2015
- Vanity Callsign GrantedMar 10, 2015
- License CanceledApr 4, 2008
- License IssuedMay 4, 2007
- System-Generated GrantMay 4, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.