NF4A
Active2x1District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderOLSON, GEOFFREY S
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationSAN JOSE, CA
Grant DateJul 6, 2020
Expiration DateOct 3, 2030
NF4A is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by OLSON, GEOFFREY S in SAN JOSE, CA. 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 MOORE, WILLIAM R on Sep 14, 2000. NF4A has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ..-. ....- .-
CW Weight: 21 units(Light (fast to send))
Voice Phonetics
November Foxtrot Four Alpha
Readability: 8/10(High readability)
License History
- License RenewedJul 6, 2020
- License RenewedJul 7, 2010
- Administrative Update AppliedJun 5, 2009
- License IssuedOct 3, 2000
- License ExpiredSep 14, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.