K1JPH
Available1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderKNOWLTON, KEITH L
License ClassAdvanced
Min. Class RequiredGeneral
LocationBROOKLYN, CT
Grant DateMar 31, 2004
Expiration DateMay 31, 2014
Cancellation DateJan 20, 2010
Available for ApplicationsJan 21, 2012
K1JPH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KNOWLTON, KEITH L in BROOKLYN, CT. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Hager, Jeffrey P on Dec 22, 2025. K1JPH has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- .--- .--. ....
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo One Juliet Papa Hotel
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledJan 20, 2010
- Administrative Update AppliedMay 9, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.