Universal Licensing System
WRKK537
Chisholm Broadband, LLC
License details
| ULS identifier | 4374690 |
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| Call sign | WRKK537 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2021-01-14 |
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| Expiration | 2031-01-14 |
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| Frequency range | 10995 MHz |
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| Locations | 2 |
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| Representative location | Red Rock, NOBLE, OK |
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| Coordinates | 36.4816667, -97.0674722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10995.00000000 | | 79M3D7D |
| 1 | 1 | 10995.00000000 | | 79M3D7D |
| 1 | 1 | 10995.00000000 | | 79M3D7D |
| 1 | 1 | 10995.00000000 | | 79M3D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 106 Alvin St, Red Rock, NOBLE, OK | 36.48166667, -97.06747222 | 277.700 m | SILO | 45.700 m structure / 45.700 m overall | |
| 2 | R | | 36.55722222, -97.14988889 | 304.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | UBIQUITI NETWORKS AF-11G35 | | S | 35.0000 | 318.7000 | | |
| 1 | 2 | R | UBIQUITI NETWORKS AF-11G35 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-12 | WRKK537 | LETCNS |
| 2021-01-14 | WRKK537 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4374690 | 2026-08-02 02:47:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKK537 | ULS 4374690 | 2026-08-02 02:47:15 |
| Status | A | ULS 4374690 | 2026-08-02 02:47:15 |
| Service | MG | ULS 4374690 | 2026-08-02 02:47:15 |
| Grant Date | 2021-01-14 | ULS 4374690 | 2026-08-02 02:47:15 |
| Expiration Date | 2031-01-14 | ULS 4374690 | 2026-08-02 02:47:15 |