WP4JO
Active2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderOYOLA MARTINEZ, JULIO
License ClassTechnician
Min. Class RequiredGeneral
LocationSABANA HOYOS, PR
Grant DateSep 21, 2019
Expiration DateSep 21, 2029
WP4JO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by OYOLA MARTINEZ, JULIO in SABANA HOYOS, 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 OYOLA MARTINEZ, JULIO on Sep 3, 2019. WP4JO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .--. ....- .--- ---
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Whiskey Papa Four Juliet Oscar
Readability: 7.5/10(High readability)
License History
- License ModifiedApr 27, 2020
- License IssuedSep 21, 2019
- Vanity Callsign GrantedSep 21, 2019
- License ExpiredOct 8, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.