WP4BO
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderRONNSONI-MARTINES, NOLBELT
License ClassTechnician
Min. Class RequiredGeneral
LocationLAS PIEDRAS, PR
Grant DateApr 16, 2014
Expiration DateJun 16, 2024
Cancellation DateJun 17, 2026
Available for ApplicationsJun 17, 2026
WP4BO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by RONNSONI-MARTINES, NOLBELT in LAS PIEDRAS, PR. 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 LOPEZ-VENEGAS, ALBERTO M on May 13, 2020. WP4BO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .--. ....- -... ---
CW Weight: 37 units(Moderate)
Voice Phonetics
Whiskey Papa Four Bravo Oscar
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredJun 17, 2026
- License RenewedApr 16, 2014
- Administrative Update AppliedApr 26, 2006
- License IssuedJun 16, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- LOPEZ-VENEGAS, ALBERTO MFiled May 13, 2020Not awardedFCC ↗