KK0O
Call sign KK0O was granted to O'Brien, Mark A by the Federal Communications Commission (FCC) on Feb 24, 2018 . The FCC license ID of this call sign is 4004571. More details about call sign KK0O can be found in the table below.
| FCC License Id | 4004571 |
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| Radio Service Code | HV |
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| Description of the Radio service | Vanity |
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| Date When the FCC Granted the Authorization | 2018-02-24 |
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| Date When the Authorization Has or Will Expire | 2028-02-24 |
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| Date on Which the Authorization Was Cancelled | |
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| Date This Record Was Last Updated. | 2022-10-07 |
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| Service Category | Personal Use |
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| High-level Service Category Description | Personal Use |
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| Licensing Source System | ULS |
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| FCC Registration Number (FRN) | 0014417448 |
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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 | Individual |
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| High-level Entity Type Description | Individual |
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