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W4IOS

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderPOWERS, MARTIN A

License ClassGeneral

Min. Class RequiredGeneral

LocationLEESBURG, FL

Grant DateAug 15, 2016

Expiration DateNov 4, 2026

W4IOS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by POWERS, MARTIN A in LEESBURG, FL. 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 King, Monty B on Oct 17, 2006. W4IOS has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Whiskey Four India Oscar Sierra

Readability: 7/10(Good readability)

License History

Administrative Update AppliedJul 14, 2026
Administrative Update AppliedJul 17, 2024
Administrative Update AppliedOct 17, 2023
License RenewedAug 15, 2016
License ModifiedAug 13, 2007
License ModifiedJul 16, 2007
License IssuedNov 4, 2006
Vanity Callsign GrantedNov 4, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

King, Monty BFiled Oct 17, 2006
Not awardedFCC ↗
Richardson, Eldon LFiled Oct 17, 2006
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

W4IOS FCC Vanity Status: 2 Competing Applications & History