Universal Licensing System
WRBY911
INTERNATIONAL SCHOOL OF DENVER
License details
| ULS identifier | 4069438 |
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| Call sign | WRBY911 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-07-27 |
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| Expiration | 2028-07-27 |
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| Frequency range | 452.1 - 457.1 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | DENVER, DENVER, CO |
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| Coordinates | 39.7221944, -104.8982500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.10000000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 457.10000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.10000000 | | 7K60FXD |
| 1 | 1 | 452.10000000 | | 7K60FXE |
| 1 | 1 | 457.10000000 | | 7K60FXE |
| 1 | 1 | 457.10000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7701 E 1ST ST UNIT C, DENVER, DENVER, CO | 39.72219444, -104.89825000 | | | | |
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 | 7701 E 1ST ST UNIT C, DENVER, CO | DENVER | 3033403647 |
License history
| Date | File or call sign | Action |
|---|
| 2019-09-04 | WRBY911 | LETTRS |
| 2019-09-04 | WRBY911 | PNLISR |
| 2019-04-30 | WRBY911 | LETCNS |
| 2018-07-27 | WRBY911 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4069438 | 2026-08-02 01:22:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBY911 | ULS 4069438 | 2026-08-02 01:22:12 |
| Status | A | ULS 4069438 | 2026-08-02 01:22:12 |
| Service | IG | ULS 4069438 | 2026-08-02 01:22:12 |
| Grant Date | 2018-07-27 | ULS 4069438 | 2026-08-02 01:22:12 |
| Expiration Date | 2028-07-27 | ULS 4069438 | 2026-08-02 01:22:12 |