KJ4OTA
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKeefer, Lois W
License ClassTechnician
Min. Class RequiredTechnician
LocationWinter Haven, FL
Grant DateSep 3, 2009
Expiration DateSep 3, 2019
Cancellation DateSep 4, 2021
Available for ApplicationsSep 4, 2021
KJ4OTA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Keefer, Lois W in Winter Haven, 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 Tollison, Gaylynn on Jun 15, 2026. KJ4OTA has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- --- - .-
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Juliet Four Oscar Tango Alpha
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredSep 4, 2021
- System-Generated GrantSep 3, 2009
- License IssuedSep 3, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Tollison, GaylynnFiled Jun 15, 2026Not awardedFCC ↗