Universal Licensing System
WRDK474
New York City Police Department
License details
| ULS identifier | 4161944 |
|---|
| Call sign | WRDK474 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-05-20 |
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| Expiration | 2029-05-20 |
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| Frequency range | 23275 MHz |
|---|
| Locations | 2 |
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| Representative location | Astoria, QUEENS, NY |
|---|
| Coordinates | 40.7618333, -73.9141111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23275.00000000 | | | | | |
| 1 | 1 | FXO | 23275.00000000 | | | | | |
| 1 | 1 | FXO | 23275.00000000 | | | | | |
| 1 | 1 | FXO | 23275.00000000 | | | | | |
| 1 | 1 | FXO | 23275.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
| 1 | 1 | 23275.00000000 | | 50M0G7W |
| 1 | 1 | 23275.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 30-45 42nd St., Astoria, QUEENS, NY | 40.76183333, -73.91411111 | 21.600 m | B | 28.000 m structure / 29.000 m overall | |
| 2 | R | | 40.76572222, -73.93313889 | 4.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Ceragon Networks AM-2-23-A | | V | 40.5000 | 285.1000 | | |
| 1 | 2 | R | Ceragon Networks AM-2-23-A | | | 40.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-24 | WRDK474 | LIAUA |
| 2019-05-20 | WRDK474 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4161944 | 2026-08-02 02:42:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDK474 | ULS 4161944 | 2026-08-02 02:42:42 |
| Status | A | ULS 4161944 | 2026-08-02 02:42:42 |
| Service | MW | ULS 4161944 | 2026-08-02 02:42:42 |
| Grant Date | 2019-05-20 | ULS 4161944 | 2026-08-02 02:42:42 |
| Expiration Date | 2029-05-20 | ULS 4161944 | 2026-08-02 02:42:42 |