WDI9880
  Call sign WDI9880 was granted to NPK, Inc. by the Federal Communications Commission (FCC) on Aug 31, 2016 . The FCC license ID of this call sign is 3844423. More details about call sign WDI9880 can be found in the table below. 
    
  | Call Sign | WDI9880 | 
 | License Holder Name | NPK, Inc. | 
 | Mailing Address Of the Licensee |   74-381 kealakehe parkway suite H, Kailua-Kona, HI 96740  | 
 |  View all call signs in ZIP Code 96740 of Hawaii  | 
 | The Attention Line In the Mailing Address | Mike Milligan | 
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  | FCC License Id | 3844423 | 
 | Radio Service Code | SB | 
 | Description of the Radio service |   Ship Compulsory Equipped  | 
 | Date When the FCC Granted the Authorization | 2016-08-31 | 
 | Date When the Authorization Has or Will Expire | 2026-08-31 | 
 | Date on Which the Authorization Was Cancelled |  | 
 | Date This Record Was Last Updated. | 2022-05-19 | 
 | Service Category | Safety of Life | 
 | High-level Service Category Description | Safety of Life | 
 | Licensing Source System | ULS | 
 | FCC Registration Number (FRN) | 0025613050 | 
 | License Status Status | Active | 
 | High-level License Status | Active | 
 | Description of Entity Type | Corporation | 
 | High-level Entity Type Description | Business | 
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