K4LRO
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderO Hearn, Lawrence R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationNaples, FL
Grant DateJul 18, 2013
Expiration DateMar 5, 2024
Cancellation DateMar 6, 2026
Available for ApplicationsMar 6, 2026
K4LRO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by O Hearn, Lawrence R in Naples, 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 O Hearn, Lawrence R on Sep 25, 2003. K4LRO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-.. .-. ---
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Four Lima Romeo Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 6, 2026
- License RenewedJul 18, 2013
- Administrative Update AppliedJul 17, 2013
- License IssuedOct 15, 2003
- Vanity Callsign GrantedOct 15, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- O Hearn, Lawrence RFiled Sep 25, 2003Not awardedFCC ↗