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.