Universal Licensing System
WRWX774
ETG SYSTEMS, INC.
License details
| ULS identifier | 4750677 |
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| Call sign | WRWX774 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-04-11 |
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| Expiration | 2033-04-11 |
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| Frequency range | 452.4125 MHz |
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| Locations | 2 |
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| Representative location | DURANGO, LA PLATA, CO |
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| Coordinates | 37.2672222, -107.8761111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.41250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.41250000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 452.41250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.41250000 | | 11K2F2D |
| 2 | 1 | 452.41250000 | | 11K2F2D |
| 3 | 1 | 452.41250000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DENVER, DENVER, CO | 39.67750000, -104.91861111 | | | | |
| 2 | T | DURANGO, LA PLATA, CO | 37.26722222, -107.87611111 | | | | N |
| 3 | T | CHEYENNE, LARAMIE, WY | 41.13500000, -104.81000000 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2131 S JASMINE ST, DENVER, CO | DENVER | 7206449300 |
| 2 | 440 1/2 E 5TH AVE, DURANGO, CO | LA PLATA | 7206449300 |
| 3 | 1600 VANLENNEN AVE, CHEYENNE, WY | LARAMIE | 7206449300 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-27 | WRWX774 | LETCNS |
| 2024-11-25 | WRWX774 | LIMOD |
| 2024-01-09 | WRWX774 | LETCNS |
| 2023-04-11 | WRWX774 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4750677 | 2026-08-02 01:23:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWX774 | ULS 4750677 | 2026-08-02 01:23:26 |
| Status | A | ULS 4750677 | 2026-08-02 01:23:26 |
| Service | IG | ULS 4750677 | 2026-08-02 01:23:26 |
| Grant Date | 2023-04-11 | ULS 4750677 | 2026-08-02 01:23:26 |
| Expiration Date | 2033-04-11 | ULS 4750677 | 2026-08-02 01:23:26 |