Universal Licensing System
WRWV552
MODERN MACHINERY INC
License details
| ULS identifier | 4747317 |
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| Call sign | WRWV552 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-04-03 |
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| Expiration | 2033-04-03 |
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| Frequency range | 452.4125 - 457.4125 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | KENT, KING, WA |
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| Coordinates | 47.4000000, -122.2305556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.41250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.41250000 | | 11K2F3E |
| 1 | 1 | 457.41250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | KENT, KING, WA | 47.40000000, -122.23055556 | | | | |
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 |
|---|
| 1 | 22431 83RD AVE S, KENT, WA | KING | 2538723500 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-18 | WRWV552 | FRATRE |
| 2024-05-08 | WRWV552 | PNLISR |
| 2024-05-08 | WRWV552 | LETTRS |
| 2024-01-04 | WRWV552 | LETCNS |
| 2023-04-03 | WRWV552 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4747317 | 2026-08-02 01:23:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWV552 | ULS 4747317 | 2026-08-02 01:23:23 |
| Status | A | ULS 4747317 | 2026-08-02 01:23:23 |
| Service | IG | ULS 4747317 | 2026-08-02 01:23:23 |
| Grant Date | 2023-04-03 | ULS 4747317 | 2026-08-02 01:23:23 |
| Expiration Date | 2033-04-03 | ULS 4747317 | 2026-08-02 01:23:23 |