AD0BO
Cancelled2x2District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderMabuhay DX Contest Club
Min. Class RequiredGeneral
LocationSan Diego, CA
Grant DateJul 23, 2022
Cancellation DateOct 1, 2024
Available for ApplicationsOct 2, 2026
AD0BO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Mabuhay DX Contest Club in San Diego, CA. 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 Mabuhay DX Contest Club on Jul 5, 2022. AD0BO has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.. ----- -... ---
CW Weight: 39 units(Moderate)
Voice Phonetics
Alpha Delta Zero Bravo Oscar
Readability: 7.5/10(High readability)
Available Oct 2, 2026 (21 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledOct 1, 2024
- License IssuedJul 23, 2022
- Vanity Callsign GrantedJul 23, 2022
- License CanceledSep 18, 2012
- License IssuedAug 28, 2012
- System-Generated GrantAug 28, 2012
Vanity Application Activity
Competing applications filed with the FCC for this callsign.