K4MBO
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderOLSON, MICHAEL B
License ClassGeneral
Min. Class RequiredGeneral
LocationPOWDER SPRINGS, GA
Grant DateMay 1, 2014
Expiration DateApr 30, 2024
Cancellation DateMay 1, 2026
Available for ApplicationsMay 1, 2026
K4MBO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by OLSON, MICHAEL B in POWDER SPRINGS, GA. 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 OLSON, MICHAEL B on Apr 12, 2004. K4MBO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- -... ---
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Four Mike Bravo Oscar
Readability: 8.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 1, 2026
- License RenewedMay 1, 2014
- License ModifiedFeb 28, 2006
- License IssuedApr 30, 2004
- Vanity Callsign GrantedApr 30, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- OLSON, MICHAEL BFiled Apr 12, 2004Not awardedFCC ↗