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K1ZLF

Available1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderKILDUFF, ROBERT J

License ClassP

Min. Class RequiredGeneral

LocationPOCASSET, MA

Grant DateFeb 9, 1988

Expiration DateFeb 9, 1998

Cancellation DateFeb 10, 2000

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K1ZLF

Available1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderKILDUFF, ROBERT J

License ClassP

Min. Class RequiredGeneral

LocationPOCASSET, MA

Grant DateFeb 9, 1988

Expiration DateFeb 9, 1998

Cancellation DateFeb 10, 2000

Available for ApplicationsFeb 10, 2000

K1ZLF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KILDUFF, ROBERT J in POCASSET, MA. 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 McCallum III, William S on Sep 16, 2020. K1ZLF has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo One Zulu Lima Foxtrot

Readability: 8/10(High readability)

This callsign is available now

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

License History

License ExpiredFeb 10, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

McCallum III, William SFiled Sep 16, 2020
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

K1ZLF FCC Vanity Status: 1 Competing Application & History