Universal Licensing System
WPNU931
MICROLYNX SYSTEMS COPORATION
License details
| ULS identifier | 1807138 |
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| Call sign | WPNU931 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-06-29 |
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| Expiration | 2004-06-29 |
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| Cancellation | 2004-08-29 |
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| Frequency range | 451.875 - 456.875 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | CONYERS, ROCKDALE, GA |
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| Coordinates | 33.6617778, -84.0663056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:52 |
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Licensee
| Name | MICROLYNX SYSTEMS COPORATION |
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| Applicant type | C |
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| Location | CONYERS, GA |
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| Address | 805 CAMBRIDGE CREEK DR, CONYERS, GA, 30094 |
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| Phone | 7709293950 |
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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 | FB6 | 451.87500000 | | | 50.000000 | 200.000000 | |
| 2 | 1 | FB6 | 451.87500000 | | | 50.000000 | 200.000000 | |
| 3 | 1 | MO | 451.87500000 | | | 40.000000 | | |
| 4 | 1 | MO | 451.87500000 | | | 40.000000 | | |
| 3 | 1 | MO | 456.87500000 | | | 40.000000 | | |
| 4 | 1 | MO | 456.87500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.87500000 | | 11K2F3E |
| 2 | 1 | 451.87500000 | | 11K2F3E |
| 3 | 1 | 451.87500000 | | 11K2F3E |
| 4 | 1 | 451.87500000 | | 11K2F3E |
| 3 | 1 | 456.87500000 | | 11K2F3E |
| 4 | 1 | 456.87500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 805 CAMBRIDGE CREEK DR, CONYERS, ROCKDALE, GA | 33.66177778, -84.06630556 | 269.000 m | TOWER | 58.000 m structure / 60.000 m overall | N |
| 2 | T | 2924 WINDFIELD CIRCLE, TUCKER, DEKALB, GA | 33.82733333, -84.26047222 | 309.000 m | TOWER | 58.000 m structure / 60.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 60.000 m | | | | 88.000 | |
| 1 | 2 | T | | 60.000 m | | | | 88.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 805 CAMBRIDGECREEK DR, CONYERS, GA | | 7709293950 |
License history
| Date | File or call sign | Action |
|---|
| 2004-08-29 | WPNU931 | LIEXP |
| 2004-04-05 | WPNU931 | LETRES |
| 2001-11-20 | WPNU931 | AUDOPR |
| 2000-11-23 | WPNU931 | LICCNV |
| 1999-06-29 | WPNU931 | LIISS |
| 1999-06-29 | WPNU931 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1807138 | 2026-08-02 01:26:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPNU931 | ULS 1807138 | 2026-08-02 01:26:52 |
| Status | E | ULS 1807138 | 2026-08-02 01:26:52 |
| Service | IG | ULS 1807138 | 2026-08-02 01:26:52 |
| Grant Date | 1999-06-29 | ULS 1807138 | 2026-08-02 01:26:52 |
| Expiration Date | 2004-06-29 | ULS 1807138 | 2026-08-02 01:26:52 |
| Cancellation Date | 2004-08-29 | ULS 1807138 | 2026-08-02 01:26:52 |