NF4I
Active2x1District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCOX JR, LANDUS G
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMurrieta, CA
Grant DateDec 6, 2025
Expiration DateJan 23, 2036
NF4I is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by COX JR, LANDUS G in Murrieta, CA. 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 Prinzinger, Joseph M on Feb 1, 2017. NF4I has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ..-. ....- ..
CW Weight: 19 units(Ultra-light (very fast to send))
Voice Phonetics
November Foxtrot Four India
Readability: 7.5/10(High readability)
License History
- License RenewedDec 6, 2025
- License RenewedJan 23, 2016
- License RenewedAug 23, 2006
- FRN Association Letter SentJan 17, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Prinzinger, Joseph MFiled Feb 1, 2017DismissedFCC ↗