K3LO
Active1x2District 3
No competing applications on record.
License HolderO'Brien, John T
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationPOTOMAC, MD
Grant DateAug 8, 2026
Expiration DateNov 4, 2036
K3LO is a 1x2 format amateur radio callsign. It is currently registered to O'Brien, John T in POTOMAC, MD. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- ...-- .-.. ---
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Three Lima Oscar
Readability: 8.5/10(High readability)
License History
- License RenewedAug 8, 2026
- Administrative Update AppliedMar 2, 2021
- License RenewedAug 9, 2016
- Administrative Update AppliedSep 10, 2013
- License RenewedOct 17, 2006
- FRN Association Letter SentSep 7, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.