Universal Licensing System
WRDH988
Crystal Valley Cooperative
License details
| ULS identifier | 4156740 |
|---|
| Call sign | WRDH988 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2019-05-03 |
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| Expiration | 2029-05-03 |
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| Frequency range | 10835 - 10995 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Trimont, MARTIN, MN |
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| Coordinates | 43.7605278, -94.7212500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 2 | FXO | 10995.00000000 | | | | | |
| 1 | 2 | FXO | 10995.00000000 | | | | | |
| 1 | 2 | FXO | 10995.00000000 | | | | | |
| 1 | 2 | FXO | 10995.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 2 | 10995.00000000 | | 79M6D7D |
| 1 | 2 | 10995.00000000 | | 79M6D7D |
| 1 | 2 | 10995.00000000 | | 79M6D7D |
| 1 | 2 | 10995.00000000 | | 79M6D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 340 Main Street W, Trimont, MARTIN, MN | 43.76052778, -94.72125000 | 376.000 m | SILO | 55.000 m structure / 55.000 m overall | N |
| 2 | R | | 44.06119444, -94.39769444 | 307.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Ubiquiti Networks Inc. AF-11G35 | | S | 35.0000 | 37.8000 | | |
| 1 | 2 | R | Ubiquiti Networks Inc. AF-11G35 | | | 35.0000 | 0.0000 | | |
| 2 | 1 | T | Ubiquiti Networks Inc. AF-11G35 | | S | 35.0000 | 37.8000 | | |
| 2 | 2 | R | Ubiquiti Networks Inc. AF-11G35 | | | 35.0000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-06 | WRDH988 | FRATRE |
| 2022-11-23 | WRDH988 | LETTRS |
| 2022-11-23 | WRDH988 | PNLISR |
| 2022-09-26 | WRDH988 | LETCNS |
| 2021-04-16 | WRDH988 | LIMOD |
| 2020-08-04 | WRDH988 | LETCNS |
| 2019-05-03 | WRDH988 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4156740 | 2026-08-02 02:48:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDH988 | ULS 4156740 | 2026-08-02 02:48:20 |
| Status | A | ULS 4156740 | 2026-08-02 02:48:20 |
| Service | MG | ULS 4156740 | 2026-08-02 02:48:20 |
| Grant Date | 2019-05-03 | ULS 4156740 | 2026-08-02 02:48:20 |
| Expiration Date | 2029-05-03 | ULS 4156740 | 2026-08-02 02:48:20 |