Universal Licensing System
WRDC991
State of Colorado
License details
| ULS identifier | 4140137 |
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| Call sign | WRDC991 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2019-04-01 |
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| Expiration | 2029-04-01 |
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| Frequency range | 6226.89 - 6256.54 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | Aspen, PITKIN, CO |
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| Coordinates | 39.1535833, -106.8211389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 1 | 6256.54000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Atop Aspen Mountain 1 MI S of, Aspen, PITKIN, CO | 39.15358333, -106.82113889 | 3409.800 m | MTOWER | 15.200 m structure / 15.200 m overall | N |
| 2 | R | | 39.44019444, -106.89816667 | 3570.700 m | | | |
| 3 | R | | 39.42497222, -107.38002778 | 3226.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope UHX6-59WA LF | | H | 38.8000 | 348.2000 | | |
| 1 | 2 | R | Commscope UHX8-59WA LF | | | 41.7000 | 0.0000 | | |
| 1 | 3 | R | Commscope UHX8-59WA LF | | | 41.7000 | 0.0000 | | |
| 2 | 1 | T | Commscope UHX6-59WB RF | | H | 38.8000 | 302.2000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-31 | WRDC991 | LIAUA |
| 2021-02-11 | WRDC991 | LIMOD |
| 2019-04-01 | WRDC991 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4140137 | 2026-08-02 02:45:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDC991 | ULS 4140137 | 2026-08-02 02:45:53 |
| Status | A | ULS 4140137 | 2026-08-02 02:45:53 |
| Service | MW | ULS 4140137 | 2026-08-02 02:45:53 |
| Grant Date | 2019-04-01 | ULS 4140137 | 2026-08-02 02:45:53 |
| Expiration Date | 2029-04-01 | ULS 4140137 | 2026-08-02 02:45:53 |