Universal Licensing System
WSKD574
MARTIN MARIETTA MATERIALS, INC
License details
| ULS identifier | 5201939 |
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| Call sign | WSKD574 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-09-22 |
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| Expiration | 2035-09-22 |
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| Frequency range | 451.5625 - 456.5625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | IDAHO SPRINGS, CLEAR CREEK, CO |
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| Coordinates | 39.7461944, -105.4340000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:29 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.56250000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 451.56250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.56250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.56250000 | | 7K60FXD |
| 1 | 1 | 451.56250000 | | 7K60FXE |
| 2 | 1 | 451.56250000 | | 7K60FXD |
| 2 | 1 | 451.56250000 | | 7K60FXE |
| 2 | 1 | 456.56250000 | | 7K60FXE |
| 2 | 1 | 456.56250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 33501 US-6, IDAHO SPRINGS, CLEAR CREEK, CO | 39.74619444, -105.43400000 | 2202.000 m | B | 3.000 m structure / 3.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 3.000 m | | | | -385.100 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 33501 US-6, IDAHO SPRINGS, CO | CLEAR CREEK | 8042136170 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-22 | WSKD574 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 5201939 | 2026-08-02 01:24:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSKD574 | ULS 5201939 | 2026-08-02 01:24:29 |
| Status | A | ULS 5201939 | 2026-08-02 01:24:29 |
| Service | IG | ULS 5201939 | 2026-08-02 01:24:29 |
| Grant Date | 2025-09-22 | ULS 5201939 | 2026-08-02 01:24:29 |
| Expiration Date | 2035-09-22 | ULS 5201939 | 2026-08-02 01:24:29 |