KO4OZN
Call sign KO4OZN was granted to Yu, Yong R by the Federal Communications Commission (FCC) on Apr 02, 2021 . The FCC license ID of this call sign is 4431465. More details about call sign KO4OZN can be found in the table below.
| FCC License Id | 4431465 |
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| Radio Service Code | HA |
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| Description of the Radio service | Amateur |
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| Date When the FCC Granted the Authorization | 2021-04-02 |
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| Date When the Authorization Has or Will Expire | 2031-04-02 |
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| Date on Which the Authorization Was Cancelled | 2022-08-05 |
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| Date This Record Was Last Updated. | 2022-08-05 |
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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) | 0030743116 |
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| License Status Status | Canceled |
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| High-level License Status | Cancelled |
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| Description of Entity Type | Individual |
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| High-level Entity Type Description | Individual |
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