Amateur Radio Callsign: K4MRJ
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K4MRJ |
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Johnson, Mark R
McKinleyville, CA (United States) |
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| License Status | Active |
|---|---|
| Operator Class | General |
| Name | Johnson, Mark R |
| Granted | 2015-10-23 |
| Expires | 2025-10-23 |
| Address |