KJ4OOL
Available2x3District 4
No competing applications on record.
License HolderHeintzelman, David L
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMartin, KY
Grant DateAug 6, 2019
Expiration DateAug 21, 2029
Cancellation DateSep 25, 2021
Available for ApplicationsSep 26, 2023
KJ4OOL is a 2x3 format amateur radio callsign. It is currently registered to Heintzelman, David L in Martin, KY. 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: 48 units(Heavy (slower to send))
Voice Phonetics
Kilo Juliet Four Oscar Oscar Lima
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 CanceledSep 25, 2021
- License ModifiedJan 15, 2020
- License RenewedAug 6, 2019
- License ModifiedApr 6, 2010
- System-Generated GrantAug 21, 2009
- License IssuedAug 21, 2009
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.