Universal Licensing System
KNNJ593
CHAPMAN SYSTEMS INC
License details
| ULS identifier | 1631763 |
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| Call sign | KNNJ593 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-02-23 |
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| Expiration | 2001-02-23 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 469.55 MHz |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:54 |
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Licensee
| Name | CHAPMAN SYSTEMS INC |
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| Applicant type | C |
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| Location | COLUMBIA, MS |
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| Address | COLUMBIA, MS, 39429 |
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| Phone | 6017361110 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MOI | 469.55000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 469.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1117 BROAD ST, COLUMBIA, MS | | 6017361110 |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | KNNJ593 | LIEXP |
| 2000-11-28 | KNNJ593 | LETRES |
| 2000-11-23 | KNNJ593 | LICCNV |
| 1996-02-26 | KNNJ593 | AUTHPR |
| 1996-02-23 | KNNJ593 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1631763 | 2026-08-02 01:27:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNJ593 | ULS 1631763 | 2026-08-02 01:27:54 |
| Status | E | ULS 1631763 | 2026-08-02 01:27:54 |
| Service | IG | ULS 1631763 | 2026-08-02 01:27:54 |
| Grant Date | 1996-02-23 | ULS 1631763 | 2026-08-02 01:27:54 |
| Expiration Date | 2001-02-23 | ULS 1631763 | 2026-08-02 01:27:54 |
| Cancellation Date | 2001-05-06 | ULS 1631763 | 2026-08-02 01:27:54 |