Universal Licensing System
WRCH316
Computer Office Solutions, Inc.
License details
| ULS identifier | 4087283 |
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| Call sign | WRCH316 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2018-10-01 |
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| Expiration | 2028-10-01 |
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| Frequency range | 18115 MHz |
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| Locations | 2 |
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| Representative location | Miami, MIAMI-DADE, FL |
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| Coordinates | 25.7546111, -80.2386667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 18115.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 18115.00000000 | | 27M5D7W |
| 1 | 1 | 18115.00000000 | | 27M1D7W |
| 1 | 1 | 18115.00000000 | | 28M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1800 SW 27th Ave #500,, Miami, MIAMI-DADE, FL | 25.75461111, -80.23866667 | 3.700 m | B | 28.000 m structure / 29.000 m overall | |
| 2 | R | | 25.77569444, -80.18800000 | 14.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves HP2-18 | | H | 38.6000 | 65.2000 | | |
| 1 | 2 | R | Radio Waves HP2-18 | | | 38.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-28 | WRCH316 | LIAUA |
| 2019-12-31 | WRCH316 | LETCNS |
| 2018-10-01 | WRCH316 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4087283 | 2026-08-02 02:45:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRCH316 | ULS 4087283 | 2026-08-02 02:45:50 |
| Status | A | ULS 4087283 | 2026-08-02 02:45:50 |
| Service | MG | ULS 4087283 | 2026-08-02 02:45:50 |
| Grant Date | 2018-10-01 | ULS 4087283 | 2026-08-02 02:45:50 |
| Expiration Date | 2028-10-01 | ULS 4087283 | 2026-08-02 02:45:50 |