WDF4475
  Call sign WDF4475 was granted to Kontos, John L by the Federal Communications Commission (FCC) on May 14, 2010 . The FCC license ID of this call sign is 3197201. More details about call sign WDF4475 can be found in the table below. 
    
   | FCC License Id | 3197201 | 
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 | Radio Service Code | SA | 
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 | Description of the Radio service | Ship Recreational or Voluntarily Equipped | 
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 | Date When the FCC Granted the Authorization | 2010-05-14 | 
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 | Date When the Authorization Has or Will Expire | 2020-05-14 | 
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 | Date on Which the Authorization Was Cancelled | 2020-07-18 | 
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 | Date This Record Was Last Updated. | 2020-07-18 | 
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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) | 0019835206 | 
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 | License Status Status | Expired | 
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 | High-level License Status | Expired | 
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 | Description of Entity Type | Individual | 
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 | High-level Entity Type Description | Individual | 
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