Universal Licensing System
WRWD639
CITY OF CRYSTAL LAKE, IL
License details
| ULS identifier | 4722276 |
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| Call sign | WRWD639 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-02-09 |
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| Expiration | 2033-02-09 |
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| Frequency range | 451.775 - 451.95 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CRYSTAL LAKE, MCHENRY, IL |
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| Coordinates | 42.2343056, -88.3371667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FXOT | 451.77500000 | | | 5.000000 | 40.000000 | |
| 1 | 1 | FXO | 451.95000000 | | | 5.000000 | 40.000000 | |
| 2 | 1 | FXO | 451.95000000 | | | 5.000000 | 40.000000 | |
| 3 | 1 | FXOT | 451.95000000 | | | 5.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.77500000 | | 10K6D1D |
| 1 | 1 | 451.95000000 | | 10K6D1D |
| 2 | 1 | 451.95000000 | | 10K6D1D |
| 3 | 1 | 451.95000000 | | 10K6D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | US HIGHWAY 14 & FLORENCE STREET, CRYSTAL LAKE, MCHENRY, IL | 42.23430556, -88.33716667 | 275.000 m | TANK | 49.000 m structure / 49.000 m overall | |
| 2 | T | 1100 COVENTRY LANE, CRYSTAL LAKE, MCHENRY, IL | 42.21075000, -88.33566667 | 268.000 m | BANT | 10.000 m structure / 10.000 m overall | |
| 3 | T | IL | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 49.000 m | | | | 62.900 | |
| 1 | 2 | T | | 10.000 m | | | | 14.100 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | US HIGHWAY 14 & FLORENCE STREET, CRYSTAL LAKE, IL | MCHENRY | 8154592020 |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-26 | WRWD639 | FRATRM |
| 2024-03-27 | WRWD639 | LETTRS |
| 2024-03-20 | WRWD639 | PNLISR |
| 2023-11-14 | WRWD639 | LETCNS |
| 2023-09-20 | WRWD639 | LIMOD |
| 2023-02-09 | WRWD639 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4722276 | 2026-08-02 01:23:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWD639 | ULS 4722276 | 2026-08-02 01:23:07 |
| Status | A | ULS 4722276 | 2026-08-02 01:23:07 |
| Service | IG | ULS 4722276 | 2026-08-02 01:23:07 |
| Grant Date | 2023-02-09 | ULS 4722276 | 2026-08-02 01:23:07 |
| Expiration Date | 2033-02-09 | ULS 4722276 | 2026-08-02 01:23:07 |