KN4IO
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHOLCOMB, WILLIAM H
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLARGO, FL
Grant DateSep 29, 2009
Expiration DateSep 29, 2019
Cancellation DateSep 30, 2021
Available for ApplicationsSep 30, 2021
KN4IO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by HOLCOMB, WILLIAM H in LARGO, FL. 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 HOLCOMB, WILLIAM H on Sep 11, 2009. KN4IO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -. ....- .. ---
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo November Four India Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredSep 30, 2021
- License IssuedSep 29, 2009
- Vanity Callsign GrantedSep 29, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- HOLCOMB, WILLIAM HFiled Sep 11, 2009Not awardedFCC ↗