N4SPH
Available1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderRITTENHOUSE, LAWRENCE P
License ClassP
Min. Class RequiredGeneral
LocationJACKSONVILLE, FL
Grant DateApr 19, 1988
Expiration DateApr 19, 1998
Cancellation DateApr 20, 2000
Available for ApplicationsApr 20, 2000
N4SPH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RITTENHOUSE, LAWRENCE P in JACKSONVILLE, FL. 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 HICKS, M PAUL on Feb 21, 2025. N4SPH has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-. ....- ... .--. ....
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
November Four Sierra Papa Hotel
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 ExpiredApr 20, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.