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N1ISU

Available1x3District 1

Competitive callsign — 2 applications filed with the FCC.

License HolderALLEN, CRAIG J

License ClassTechnician

Min. Class RequiredGeneral

LocationKIRKLAND, WA

Grant DateApr 2, 1991

Expiration DateApr 2, 2001

Cancellation DateApr 3, 2003

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N1ISU

Available1x3District 1

Competitive callsign — 2 applications filed with the FCC.

License HolderALLEN, CRAIG J

License ClassTechnician

Min. Class RequiredGeneral

LocationKIRKLAND, WA

Grant DateApr 2, 1991

Expiration DateApr 2, 2001

Cancellation DateApr 3, 2003

Available for ApplicationsApr 3, 2003

N1ISU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ALLEN, CRAIG J in KIRKLAND, WA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Brabant, Ben D on Dec 2, 2025. N1ISU has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

November One India Sierra Uniform

Readability: 6/10(Good readability)

This callsign is available now

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

License History

License ExpiredApr 3, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Brabant, Ben DFiled Dec 2, 2025
Not awardedFCC ↗
Apgar, Michael DFiled Apr 21, 2022
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

N1ISU FCC Vanity Status: 2 Competing Applications & History