KD4IRO
Active2x3District 4
No competing applications on record.
License HolderMattheiss III, August H
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationColumbia, MD
Grant DateApr 18, 2024
Expiration DateJul 13, 2034
KD4IRO is a 2x3 format amateur radio callsign. It is currently registered to Mattheiss III, August H in Columbia, 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: 35 units(Moderate)
Voice Phonetics
Kilo Delta Four India Romeo Oscar
Readability: 6.5/10(Good readability)
License History
- License RenewedApr 18, 2024
- Administrative Update AppliedJun 24, 2020
- License RenewedJun 4, 2014
- Administrative Update AppliedApr 24, 2012
- Administrative Update AppliedJun 7, 2008
- Administrative Update AppliedJun 2, 2005
- Administrative Update AppliedMay 5, 2001
- License ModifiedNov 9, 1999
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.