KO4AEX
Call sign KO4AEX was granted to Grundhoefer, John L by the Federal Communications Commission (FCC) on Nov 20, 2019 . The FCC license ID of this call sign is 4222421. More details about call sign KO4AEX can be found in the table below.
| FCC License Id | 4222421 |
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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 | 2019-11-20 |
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| Date When the Authorization Has or Will Expire | 2029-11-20 |
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| Date on Which the Authorization Was Cancelled | 2020-04-18 |
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| Date This Record Was Last Updated. | 2020-04-18 |
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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) | 0028962496 |
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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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