Universal Licensing System
WRKX921
Montgomery Brinkman, LLC
License details
| ULS identifier | 4396093 |
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| Call sign | WRKX921 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-03-02 |
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| Expiration | 2031-03-02 |
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| Frequency range | 451.5 MHz |
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| Locations | 2 |
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| Representative location | Roseville, RAMSEY, MN |
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| Coordinates | 45.0195556, -93.1802222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 451.50000000 | | | 45.000000 | 140.000000 | |
| 2 | 1 | MO | 451.50000000 | | | 45.000000 | 140.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.50000000 | | 4K00F1E |
| 1 | 1 | 451.50000000 | | 8K30F1E |
| 2 | 1 | 451.50000000 | | 4K00F1E |
| 2 | 1 | 451.50000000 | | 8K30F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1900 County Road C West, Roseville, RAMSEY, MN | 45.01955556, -93.18022222 | 284.000 m | BMAST | 6.000 m structure / 11.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | 26.100 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1900 County Rd. C. W., Roseville, MN | RAMSEY | 6516361570 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-02 | WRKX921 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4396093 | 2026-08-02 01:22:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKX921 | ULS 4396093 | 2026-08-02 01:22:18 |
| Status | A | ULS 4396093 | 2026-08-02 01:22:18 |
| Service | IG | ULS 4396093 | 2026-08-02 01:22:18 |
| Grant Date | 2021-03-02 | ULS 4396093 | 2026-08-02 01:22:18 |
| Expiration Date | 2031-03-02 | ULS 4396093 | 2026-08-02 01:22:18 |