WB4SLR
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderDE GIACOMO, ERNEST L
License ClassP
Min. Class RequiredTechnician
LocationLAKE WORTH, FL
Grant DateFeb 2, 1995
Expiration DateFeb 2, 2005
Cancellation DateFeb 3, 2007
Available for ApplicationsFeb 3, 2007
WB4SLR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by DE GIACOMO, ERNEST L in LAKE WORTH, FL. 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. WB4SLR has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
.-- -... ....- ... .-.. .-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Bravo Four 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 ExpiredFeb 3, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Rios, Seth LFiled Feb 11, 2026Not awardedFCC ↗