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WA1RZO

Active2x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderSlade, John M

License ClassGeneral

Min. Class RequiredTechnician

LocationDalton, MA

Grant DateDec 12, 2025

Expiration DateFeb 2, 2036

WA1RZO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Slade, John M in Dalton, 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 SLADE, JOHN M on Jan 5, 2006. WA1RZO has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 46 units(Heavy (slower to send))

Voice Phonetics

Whiskey Alpha One Romeo Zulu Oscar

Readability: 7/10(Good readability)

License History

License RenewedDec 12, 2025
License RenewedFeb 2, 2016
License ModifiedMar 21, 2007
License IssuedJan 24, 2006
Vanity Callsign GrantedJan 24, 2006
License ExpiredMar 1, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SLADE, JOHN MFiled Jan 5, 2006
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

WA1RZO FCC Vanity Status: 1 Competing Application & History