WP4JON
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderNIEVES, LUIS A
License ClassNovice
Min. Class RequiredTechnician
LocationAGUADILLA, PR
Grant DateNov 13, 1990
Expiration DateNov 13, 2000
Cancellation DateNov 14, 2002
Available for ApplicationsNov 14, 2002
WP4JON is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by NIEVES, LUIS A in AGUADILLA, PR. 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 Beard, Jonathan J on May 6, 2026. WP4JON has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
.-- .--. ....- .--- --- -.
CW Weight: 45 units(Heavy (slower to send))
Voice Phonetics
Whiskey Papa Four Juliet Oscar November
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredNov 14, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.