Universal Licensing System
WRKH813
IMG AMBULANCE LLC
License details
| ULS identifier | 4371237 |
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| Call sign | WRKH813 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-01-06 |
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| Expiration | 2031-01-06 |
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| Frequency range | 155.22 - 155.4 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | CRYSTAL LAKE, MCHENRY, IL |
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| Coordinates | 42.2088889, -88.2865833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 155.22000000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 155.34000000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 155.40000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.22000000 | | 11K2F3E |
| 1 | 1 | 155.34000000 | | 11K2F3E |
| 1 | 1 | 155.40000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CRYSTAL LAKE, MCHENRY, IL | 42.20888889, -88.28658333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 319 STATE ROUTE 31, CRYSTAL LAKE, IL | MCHENRY | 8155263634 |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-14 | WRKH813 | LIAUA |
| 2021-01-06 | WRKH813 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4371237 | 2026-08-02 01:22:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKH813 | ULS 4371237 | 2026-08-02 01:22:08 |
| Status | A | ULS 4371237 | 2026-08-02 01:22:08 |
| Service | PW | ULS 4371237 | 2026-08-02 01:22:08 |
| Grant Date | 2021-01-06 | ULS 4371237 | 2026-08-02 01:22:08 |
| Expiration Date | 2031-01-06 | ULS 4371237 | 2026-08-02 01:22:08 |