AA4HJ
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHERRON, OTIS R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLOUISVILLE, KY
Grant DateAug 13, 2004
Expiration DateOct 26, 2014
Cancellation DateOct 27, 2016
Available for ApplicationsOct 27, 2016
AA4HJ is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by HERRON, OTIS R in LOUISVILLE, KY. 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 Jones, Carl G on Dec 29, 2025. AA4HJ has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- .... .---
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Alpha Alpha Four Hotel Juliet
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredOct 27, 2016
- FRN Association Letter SentAug 16, 2004
- License RenewedAug 13, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Jones, Carl GFiled Dec 29, 2025Not awardedFCC ↗