KA3SLR
Available2x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderDeRenzo, Emil V
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationRockville, MD
Grant DateJun 7, 2000
Expiration DateJun 6, 2009
Cancellation DateFeb 23, 2007
Available for ApplicationsFeb 24, 2009
KA3SLR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by DeRenzo, Emil V in Rockville, MD. 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 Rios, Seth L on Feb 11, 2026. KA3SLR has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .- ...-- ... .-.. .-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Alpha Three Sierra Lima Romeo
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledFeb 23, 2007
- License ModifiedJan 16, 2007
- License RenewedJun 7, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Rios, Seth LFiled Feb 11, 2026Not awardedFCC ↗