WDJ4517
  Call sign WDJ4517 was granted to MADMACK LLC by the Federal Communications Commission (FCC) on Mar 22, 2017 . The FCC license ID of this call sign is 3902305. More details about call sign WDJ4517 can be found in the table below. 
    
   | FCC License Id | 3902305 | 
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 | Radio Service Code | SB | 
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 | Description of the Radio service | Ship Compulsory Equipped | 
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 | Date When the FCC Granted the Authorization | 2017-03-22 | 
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 | Date When the Authorization Has or Will Expire | 2027-03-22 | 
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 | Date on Which the Authorization Was Cancelled |  | 
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 | Date This Record Was Last Updated. | 2017-03-22 | 
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 | Service Category | Safety of Life | 
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 | High-level Service Category Description | Safety of Life | 
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 | Licensing Source System | ULS | 
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 | FCC Registration Number (FRN) | 0008323552 | 
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 | License Status Status | Active | 
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 | High-level License Status | Active | 
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 | Description of Entity Type | Limited Liability Company | 
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 | High-level Entity Type Description | Business | 
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