KR4NN
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderVandergriff, Jack L
License ClassAdvanced
Min. Class RequiredGeneral
LocationPiedmont, SC
Grant DateNov 21, 2003
Expiration DateFeb 15, 2014
Cancellation DateFeb 17, 2016
Available for ApplicationsFeb 16, 2016
KR4NN is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Vandergriff, Jack L in Piedmont, SC. 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 NASAB, NASSER on May 8, 2025. KR4NN has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- -. -.
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four November November
Readability: 6.5/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredFeb 17, 2016
- License RenewedNov 21, 2003
- Administrative Update AppliedNov 29, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- NASAB, NASSERFiled May 8, 2025DismissedFCC ↗