K4EFI
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderPayne, Mark A
License ClassTechnician
Min. Class RequiredGeneral
LocationDavenport, IA
Grant DateMay 14, 2019
Expiration DateMay 14, 2029
K4EFI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Payne, Mark A in Davenport, IA. 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 Kaps, Timothy R on Apr 23, 2019. K4EFI has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- . ..-. ..
CW Weight: 23 units(Light (fast to send))
Voice Phonetics
Kilo Four Echo Foxtrot India
Readability: 7.5/10(High readability)
License History
- License ModifiedJul 27, 2021
- Vanity Callsign GrantedMay 14, 2019
- License IssuedMay 14, 2019
- License CanceledJul 1, 2016
- Administrative Update AppliedJun 16, 2016
- License ModifiedJun 9, 2016
- License ModifiedSep 17, 2015
- License IssuedApr 28, 2007
- Vanity Callsign GrantedApr 28, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.