Universal Licensing System
WRFM556
Minnesota, State of
License details
| ULS identifier | 4267403 |
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| Call sign | WRFM556 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2020-03-30 |
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| Expiration | 2030-03-30 |
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| Frequency range | 6555 - 6640.625 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | Grand Marais, COOK, MN |
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| Coordinates | 47.8943333, -90.4682778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:35 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6555.00000000 | | | | | |
| 1 | 2 | FXO | 6640.62500000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6555.00000000 | | 5M00D7W |
| 1 | 2 | 6640.62500000 | | 3M75D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1771 Ball Club Road, Grand Marais, COOK, MN | 47.89433333, -90.46827778 | 649.200 m | LTOWER | 57.900 m structure / 60.600 m overall | |
| 2 | R | | 47.81658333, -90.51855556 | 494.900 m | | | |
| 3 | R | | 48.03872222, -90.44469444 | 588.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP6-6WB | | V | 39.3000 | 203.5000 | | |
| 1 | 2 | R | Commscope PL6-65 | | | 39.7000 | | | |
| 1 | 3 | R | Commscope VHLP3-6WA | | | 33.3000 | | | |
| 2 | 1 | T | Commscope HX8-6W | | V | 41.6000 | 6.3000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1123 Mesaba Ave., Duluth, MN | ST. LOUIS | 2187252801 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-08 | WRFM556 | LIAUA |
| 2021-06-29 | WRFM556 | LETCNS |
| 2020-03-30 | WRFM556 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4267403 | 2026-08-02 02:43:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFM556 | ULS 4267403 | 2026-08-02 02:43:35 |
| Status | A | ULS 4267403 | 2026-08-02 02:43:35 |
| Service | MW | ULS 4267403 | 2026-08-02 02:43:35 |
| Grant Date | 2020-03-30 | ULS 4267403 | 2026-08-02 02:43:35 |
| Expiration Date | 2030-03-30 | ULS 4267403 | 2026-08-02 02:43:35 |