WDF4921
Call sign WDF4921 was granted to Simpson, David M by the Federal Communications Commission (FCC) on Jun 15, 2010 . The FCC license ID of this call sign is 3206428. More details about call sign WDF4921 can be found in the table below.
| FCC License Id | 3206428 |
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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 | 2010-06-15 |
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| Date When the Authorization Has or Will Expire | 2020-06-15 |
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| Date on Which the Authorization Was Cancelled | 2020-08-15 |
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| Date This Record Was Last Updated. | 2020-08-15 |
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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) | 0019926427 |
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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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