K5OOO
Cancelled1x3District 5
Competitive callsign — 6 applications filed with the FCC.
License HolderKaplan, Jon
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationNaples, FL
Grant DateMay 9, 2025
Cancellation DateDec 9, 2025
Available for ApplicationsDec 10, 2027
K5OOO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kaplan, Jon in Naples, FL. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Kaplan, Jon on Apr 21, 2025. K5OOO has 16 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... --- --- ---
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Five Oscar Oscar Oscar
Readability: 8/10(High readability)
Available Dec 10, 2027 (462 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledDec 9, 2025
- License ModifiedAug 12, 2025
- License ModifiedMay 15, 2025
- Vanity Callsign GrantedMay 9, 2025
- License IssuedMay 9, 2025
- License CanceledSep 24, 2022
- Administrative Update AppliedAug 24, 2022
- Administrative Update AppliedDec 16, 2021
- Administrative Update AppliedOct 28, 2020
- Administrative Update AppliedJun 4, 2019
- Administrative Update AppliedMar 12, 2019
- Vanity Callsign Granted
Vanity Application Activity
Competing applications filed with the FCC for this callsign.