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K4ILB

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderPOTTER, WILLIAM J

License ClassGeneral

Min. Class RequiredGeneral

LocationCLEARWATER, FL

Grant DateMar 15, 1994

Expiration DateMar 15, 2004

Cancellation DateMar 16, 2006

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K4ILB

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderPOTTER, WILLIAM J

License ClassGeneral

Min. Class RequiredGeneral

LocationCLEARWATER, FL

Grant DateMar 15, 1994

Expiration DateMar 15, 2004

Cancellation DateMar 16, 2006

Available for ApplicationsMar 16, 2006

K4ILB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by POTTER, WILLIAM J in CLEARWATER, 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 MARTIN RAY, RACHAEL L on Feb 10, 2020. K4ILB has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

-.- ....- .. .-.. -...

CW Weight: 28 units(Light (fast to send))

Voice Phonetics

Kilo Four India Lima Bravo

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredMar 16, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MARTIN RAY, RACHAEL LFiled Feb 10, 2020
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4ILB FCC Vanity Status: 1 Competing Application & History