Universal Licensing System
WRCH550
City of Seattle
License details
| ULS identifier | 4087934 |
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| Call sign | WRCH550 |
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| Radio service | PA |
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| Status | A |
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| Grant date | 2018-10-02 |
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| Expiration | 2028-10-02 |
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| Frequency range | 4950 - 4980 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | Seattle, KING, WA |
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| Coordinates | 47.6912222, -122.3173611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXB | 4950.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 3 | FXB | 4950.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 2 | FXB | 4960.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 4 | FXB | 4960.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 5 | FXB | 4970.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 7 | FXB | 4970.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 6 | FXB | 4980.00000000 | | | 0.010000 | 0.500000 | |
| 1 | 8 | FXB | 4980.00000000 | | | 0.010000 | 0.500000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4950.00000000 | | 10M0X1D |
| 1 | 3 | 4950.00000000 | | 10M0X1D |
| 1 | 2 | 4960.00000000 | | 10M0X1D |
| 1 | 4 | 4960.00000000 | | 10M0X1D |
| 1 | 5 | 4970.00000000 | | 10M0X1D |
| 1 | 7 | 4970.00000000 | | 10M0X1D |
| 1 | 6 | 4980.00000000 | | 10M0X1D |
| 1 | 8 | 4980.00000000 | | 10M0X1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Northeast Radio Site, Seattle, KING, WA | 47.69122222, -122.31736111 | 133.000 m | MTOWER | 53.600 m structure / 54.800 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 54.800 m | J | 17.0000 | 0.0000 | | |
| 2 | 1 | T | | 54.800 m | J | 17.0000 | 0.0000 | | |
| 3 | 1 | T | | 54.800 m | J | 17.0000 | 180.0000 | | |
| 4 | 1 | T | | 54.800 m | J | 17.0000 | 180.0000 | | |
| 5 | 1 | T | | 54.800 m | J | 17.0000 | 270.0000 | | |
| 6 | 1 | T | | 54.800 m | J | 17.0000 | 270.0000 | | |
| 7 | 1 | T | | 54.800 m | J | 17.0000 | 90.0000 | | |
| 8 | 1 | T | | 54.800 m | J | 17.0000 | 90.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1933 Minor Ave, Seattle, WA | | 2063861213 |
License history
| Date | File or call sign | Action |
|---|
| 2019-09-24 | WRCH550 | LIAUA |
| 2018-10-02 | WRCH550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4087934 | 2026-08-02 01:13:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRCH550 | ULS 4087934 | 2026-08-02 01:13:36 |
| Status | A | ULS 4087934 | 2026-08-02 01:13:36 |
| Service | PA | ULS 4087934 | 2026-08-02 01:13:36 |
| Grant Date | 2018-10-02 | ULS 4087934 | 2026-08-02 01:13:36 |
| Expiration Date | 2028-10-02 | ULS 4087934 | 2026-08-02 01:13:36 |