KJ5OOO
Active2x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderMartin, Robert G
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationSeattle, WA
Grant DateFeb 26, 2026
Expiration DateFeb 26, 2036
KJ5OOO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Martin, Robert G in Seattle, WA. 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 Hardin Jr, Wayne L on Aug 19, 2025. KJ5OOO has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 49 units(Heavy (slower to send))
Voice Phonetics
Kilo Juliet Five Oscar Oscar Oscar
Readability: 7/10(Good readability)
License History
- System-Generated GrantFeb 26, 2026
- License IssuedFeb 26, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Hardin Jr, Wayne LFiled Aug 19, 2025Not awardedFCC ↗