Universal Licensing System
WRWB389
ImOn Communications, LLC
License details
| ULS identifier | 4718672 |
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| Call sign | WRWB389 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2023-02-01 |
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| Expiration | 2033-02-01 |
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| Frequency range | 17840 MHz |
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| Locations | 2 |
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| Representative location | Sioux City, PLYMOUTH, IA |
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| Coordinates | 42.5740833, -96.3701389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 0.1 Mi N of Junction C80 and Glacier Rd, Sioux City, PLYMOUTH, IA | 42.57408333, -96.37013889 | 429.000 m | LTOWER | 24.400 m structure / 24.400 m overall | |
| 2 | R | | 42.54333333, -96.39500000 | 426.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew Corporation VHLP2.5-18 | | V | 41.0000 | 210.9000 | | |
| 1 | 2 | R | Andrew Corporation VHLP2.5-18 | | | 41.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-04-01 | WRWB389 | LIASS |
| 2023-03-31 | WRWB389 | LITRAN |
| 2023-02-01 | WRWB389 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4718672 | 2026-08-02 02:43:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWB389 | ULS 4718672 | 2026-08-02 02:43:19 |
| Status | A | ULS 4718672 | 2026-08-02 02:43:19 |
| Service | MG | ULS 4718672 | 2026-08-02 02:43:19 |
| Grant Date | 2023-02-01 | ULS 4718672 | 2026-08-02 02:43:19 |
| Expiration Date | 2033-02-01 | ULS 4718672 | 2026-08-02 02:43:19 |