NF4U
Active2x1District 4
Competitive callsign — 8 applications filed with the FCC.
License HolderGuina, Randy M
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationDededo, GU
Grant DateMar 11, 2021
Expiration DateJun 8, 2031
NF4U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Guina, Randy M in Dededo, GU. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by MC ELFRESH, JEFFERY S on May 21, 2001. NF4U has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ..-. ....- ..-
CW Weight: 22 units(Light (fast to send))
Voice Phonetics
November Foxtrot Four Uniform
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedAug 12, 2025
- License RenewedMar 11, 2021
- Administrative Update AppliedMay 29, 2019
- Administrative Update AppliedJul 29, 2014
- License RenewedApr 9, 2011
- Administrative Update AppliedJan 1, 2009
- Administrative Update AppliedOct 7, 2005
- Administrative Update AppliedJun 10, 2004
- License IssuedJun 8, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.