Universal Licensing System
WRFF907
MP EARTHWORKS INC.
License details
| ULS identifier | 4253943 |
|---|
| Call sign | WRFF907 |
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| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2020-02-22 |
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| Expiration | 2030-02-22 |
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| Frequency range | 456.175 - 457.875 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | FAIRPLAY, PARK, CO |
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| Coordinates | 39.2163889, -105.9927778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 456.17500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.17500000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 456.52500000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 456.52500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.67500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.67500000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 457.87500000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 457.87500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.17500000 | | 11K2F3E |
| 1 | 1 | 456.17500000 | | 7K60FXE |
| 1 | 1 | 456.17500000 | | 7K60FXE |
| 1 | 1 | 456.17500000 | | 11K2F3E |
| 1 | 1 | 456.52500000 | | 7K60FXE |
| 1 | 1 | 456.52500000 | | 11K2F3E |
| 1 | 1 | 456.52500000 | | 7K60FXE |
| 1 | 1 | 456.52500000 | | 11K2F3E |
| 1 | 1 | 456.67500000 | | 11K2F3E |
| 1 | 1 | 456.67500000 | | 7K60FXE |
| 1 | 1 | 456.67500000 | | 11K2F3E |
| 1 | 1 | 456.67500000 | | 7K60FXE |
| 1 | 1 | 457.87500000 | | 7K60FXE |
| 1 | 1 | 457.87500000 | | 11K2F3E |
| 1 | 1 | 457.87500000 | | 11K2F3E |
| 1 | 1 | 457.87500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | FAIRPLAY, PARK, CO | 39.21638889, -105.99277778 | | | | |
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 |
|---|
| 1 | 21980 US HIGHWAY 285 SPACE 37, FAIRPLAY, CO | PARK | 7192211015 |
License history
| Date | File or call sign | Action |
|---|
| 2020-11-24 | WRFF907 | LETCNS |
| 2020-02-22 | WRFF907 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4253943 | 2026-08-02 01:23:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFF907 | ULS 4253943 | 2026-08-02 01:23:36 |
| Status | A | ULS 4253943 | 2026-08-02 01:23:36 |
| Service | IG | ULS 4253943 | 2026-08-02 01:23:36 |
| Grant Date | 2020-02-22 | ULS 4253943 | 2026-08-02 01:23:36 |
| Expiration Date | 2030-02-22 | ULS 4253943 | 2026-08-02 01:23:36 |