Universal Licensing System
WRKI459
Alterra Underground Solutions
License details
| ULS identifier | 4371986 |
|---|
| Call sign | WRKI459 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-01-08 |
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| Expiration | 2031-01-08 |
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| Frequency range | 451.8 - 464.5 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CO |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 451.80000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MOI | 451.81250000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MOI | 456.80000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MOI | 456.81250000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MOI | 464.50000000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.80000000 | | 7K60FXD |
| 1 | 1 | 451.80000000 | | 7K60FXE |
| 1 | 1 | 451.81250000 | | 7K60FXD |
| 1 | 1 | 451.81250000 | | 7K60FXE |
| 1 | 1 | 456.80000000 | | 7K60FXD |
| 1 | 1 | 456.80000000 | | 7K60FXE |
| 1 | 1 | 456.81250000 | | 7K60FXD |
| 1 | 1 | 456.81250000 | | 7K60FXE |
| 1 | 1 | 464.50000000 | | 7K60FXE |
| 1 | 1 | 464.50000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CO | | | | | |
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 | 1065 S. ELIZABETH ST, DENVER, CO | DENVER | 7206607767 |
License history
| Date | File or call sign | Action |
|---|
| 2021-01-08 | WRKI459 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4371986 | 2026-08-02 01:22:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKI459 | ULS 4371986 | 2026-08-02 01:22:03 |
| Status | A | ULS 4371986 | 2026-08-02 01:22:03 |
| Service | IG | ULS 4371986 | 2026-08-02 01:22:03 |
| Grant Date | 2021-01-08 | ULS 4371986 | 2026-08-02 01:22:03 |
| Expiration Date | 2031-01-08 | ULS 4371986 | 2026-08-02 01:22:03 |