Universal Licensing System
WQGN486
Metropolitan Security Services Inc, dba, Walden Security
License details
| ULS identifier | 2888474 |
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| Call sign | WQGN486 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2007-03-08 |
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| Expiration | 2017-03-08 |
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| Cancellation | 2017-05-13 |
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| Frequency range | 452.025 - 457.025 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Nashville, DAVIDSON, TN |
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| Coordinates | 36.1671667, -86.7786667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.02500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 452.02500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.02500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.02500000 | | 11K2F3E |
| 2 | 1 | 452.02500000 | | 11K2F3E |
| 2 | 1 | 457.02500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | James K Polk State Office Bldg, Nashville, DAVIDSON, TN | 36.16716667, -86.77866667 | 144.000 m | B | 102.000 m structure / 102.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 102.000 m | V | 3.8000 | | 84.600 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3343 Perimeter Hill Drive, Ste 216, Nashville, TN | DAVIDSON | 4232676724 |
License history
| Date | File or call sign | Action |
|---|
| 2017-05-13 | WQGN486 | LIEXP |
| 2016-12-12 | WQGN486 | LETRES |
| 2007-03-08 | WQGN486 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2888474 | 2026-08-02 01:08:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQGN486 | ULS 2888474 | 2026-08-02 01:08:21 |
| Status | E | ULS 2888474 | 2026-08-02 01:08:21 |
| Service | IG | ULS 2888474 | 2026-08-02 01:08:21 |
| Grant Date | 2007-03-08 | ULS 2888474 | 2026-08-02 01:08:21 |
| Expiration Date | 2017-03-08 | ULS 2888474 | 2026-08-02 01:08:21 |
| Cancellation Date | 2017-05-13 | ULS 2888474 | 2026-08-02 01:08:21 |