K4NSF
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderNational Science Foundation Amateur Radio Club
Min. Class RequiredGeneral
LocationArlington, VA
Grant DateMar 8, 2013
Expiration DateMay 24, 2023
Cancellation DateMay 28, 2025
Available for ApplicationsMay 25, 2025
K4NSF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by National Science Foundation Amateur Radio Club in Arlington, VA. 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 National Science Foundation Amateur Radio Club on May 6, 2003. K4NSF has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -. ... ..-.
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Four November Sierra Foxtrot
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 28, 2025
- License RenewedMar 8, 2013
- License IssuedMay 24, 2003
- Vanity Callsign GrantedMay 24, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- National Science Foundation Amateur Radio ClubFiled May 6, 2003Not awardedFCC ↗