Universal Licensing System
WRCK433
Wisper ISP, LLC
License details
| ULS identifier | 4094410 |
|---|
| Call sign | WRCK433 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2018-10-24 |
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| Expiration | 2028-10-24 |
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| Frequency range | 11155 MHz |
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| Locations | 2 |
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| Representative location | FREDERICKTOWN, MADISON, MO |
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| Coordinates | 37.5730556, -90.3630556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 2 | FXO | 11155.00000000 | | | | | |
| 1 | 2 | FXO | 11155.00000000 | | | | | |
| 1 | 2 | FXO | 11155.00000000 | | | | | |
| 1 | 2 | FXO | 11155.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11155.00000000 | | 79M6D7D |
| 1 | 1 | 11155.00000000 | | 79M6D7D |
| 1 | 1 | 11155.00000000 | | 79M6D7D |
| 1 | 1 | 11155.00000000 | | 79M6D7D |
| 1 | 2 | 11155.00000000 | | 79M6D7D |
| 1 | 2 | 11155.00000000 | | 79M6D7D |
| 1 | 2 | 11155.00000000 | | 79M6D7D |
| 1 | 2 | 11155.00000000 | | 79M6D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3.5 MI NW, FREDERICKTOWN, MADISON, MO | 37.57305556, -90.36305556 | 317.300 m | LTOWER | 107.200 m structure / 107.500 m overall | |
| 2 | R | | 37.55994444, -90.29541667 | 225.300 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 | | V | 35.0000 | 103.7000 | | |
| 1 | 2 | R | Ubiquiti Networks, Inc. AF-11G35 | | | 35.0000 | | | |
| 2 | 1 | T | Ubiquiti Networks, Inc. AF-11G35 | | H | 35.0000 | 103.0000 | | |
| 2 | 2 | R | Ubiquiti Networks, Inc. AF-11G35 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-02 | WRCK433 | LIASS |
| 2020-01-28 | WRCK433 | LETCNS |
| 2018-10-24 | WRCK433 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4094410 | 2026-08-02 02:47:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRCK433 | ULS 4094410 | 2026-08-02 02:47:17 |
| Status | A | ULS 4094410 | 2026-08-02 02:47:17 |
| Service | MG | ULS 4094410 | 2026-08-02 02:47:17 |
| Grant Date | 2018-10-24 | ULS 4094410 | 2026-08-02 02:47:17 |
| Expiration Date | 2028-10-24 | ULS 4094410 | 2026-08-02 02:47:17 |