Universal Licensing System
WRFI979
Microsoft Corporation
License details
| ULS identifier | 4260940 |
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| Call sign | WRFI979 |
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| Radio service | YG |
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| Status | A |
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| Grant date | 2020-03-12 |
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| Expiration | 2030-03-12 |
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| Frequency range | 461.625 - 467.3 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | Cumming, WARREN, IA |
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| Coordinates | 41.4995000, -93.7890000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:12 |
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Licensee
| Name | Microsoft Corporation |
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| Applicant type | C |
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| FRN | 0008512311 |
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| Location | Redmond, WA |
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| Address | One Microsoft Way, Redmond, WA, 98052 |
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| Phone | 4257068757 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.62500000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB2 | 461.96250000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB2 | 462.30000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 466.62500000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | FX1 | 466.62500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 466.96250000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | FX1 | 466.96250000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 467.30000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | FX1 | 467.30000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.62500000 | | 7K60F1W |
| 1 | 1 | 461.62500000 | | 7K60F7W |
| 1 | 1 | 461.96250000 | | 7K60F1W |
| 1 | 1 | 461.96250000 | | 7K60F7W |
| 1 | 1 | 462.30000000 | | 7K60F7W |
| 1 | 1 | 462.30000000 | | 7K60F1W |
| 2 | 1 | 466.62500000 | | 7K60F1W |
| 2 | 1 | 466.62500000 | | 7K60F7W |
| 3 | 1 | 466.62500000 | | 7K60F7W |
| 3 | 1 | 466.62500000 | | 7K60F1W |
| 2 | 1 | 466.96250000 | | 7K60F7W |
| 2 | 1 | 466.96250000 | | 7K60F1W |
| 3 | 1 | 466.96250000 | | 7K60F1W |
| 3 | 1 | 466.96250000 | | 7K60F7W |
| 2 | 1 | 467.30000000 | | 7K60F1W |
| 2 | 1 | 467.30000000 | | 7K60F7W |
| 3 | 1 | 467.30000000 | | 7K60F1W |
| 3 | 1 | 467.30000000 | | 7K60F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2199 10th Ave, Cumming, WARREN, IA | 41.49950000, -93.78900000 | 302.000 m | BANT | 7.900 m structure / 9.400 m overall | |
| 2 | T | | | | | | |
| 3 | T | IA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.400 m | | | | 28.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2199 10th Ave, Cumming, IA | WARREN | 4257068757 |
License history
| Date | File or call sign | Action |
|---|
| 2020-03-12 | WRFI979 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4260940 | 2026-08-02 01:25:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFI979 | ULS 4260940 | 2026-08-02 01:25:12 |
| Status | A | ULS 4260940 | 2026-08-02 01:25:12 |
| Service | YG | ULS 4260940 | 2026-08-02 01:25:12 |
| Grant Date | 2020-03-12 | ULS 4260940 | 2026-08-02 01:25:12 |
| Expiration Date | 2030-03-12 | ULS 4260940 | 2026-08-02 01:25:12 |