Universal Licensing System
WNZW890
TWIN RIVERS TECHNOLOGIES
License details
| ULS identifier | 1906252 |
|---|
| Call sign | WNZW890 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-08-11 |
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| Expiration | 2032-07-06 |
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| Frequency range | 461.4375 - 467.225 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | QUINCY, NORFOLK, MA |
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| Coordinates | 42.2476111, -70.9672778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:31 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FB2 | 461.43750000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB2 | 462.22500000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 466.43750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FX1 | 467.22500000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 467.22500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 461.43750000 | | 7K60FXE |
| 1 | 2 | 461.43750000 | | 11K2F3E |
| 1 | 1 | 462.22500000 | | 11K2F3E |
| 1 | 1 | 462.22500000 | | 7K60FXE |
| 3 | 1 | 466.43750000 | | 7K60FXE |
| 3 | 1 | 466.43750000 | | 11K2F3E |
| 2 | 1 | 467.22500000 | | 11K2F3E |
| 2 | 1 | 467.22500000 | | 7K60FXE |
| 3 | 1 | 467.22500000 | | 7K60FXE |
| 3 | 1 | 467.22500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 780 WASHINGTON ST BLDG 13, QUINCY, NORFOLK, MA | 42.24761111, -70.96727778 | 2.000 m | B | 21.000 m structure / 24.000 m overall | N |
| 2 | T | MA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | -0.300 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 2 | 1 | T | | 21.900 m | | | | -2.400 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 780 WASHINGTON ST BLDG 13, QUINCY, MA | NORFOLK | 6174729200 |
License history
| Date | File or call sign | Action |
|---|
| 2022-08-11 | WNZW890 | LIREN |
| 2012-07-31 | WNZW890 | LETCNS |
| 2012-06-20 | WNZW890 | LIREN |
| 2012-04-09 | WNZW890 | LETRES |
| 2011-10-26 | WNZW890 | LIMOD |
| 2002-06-18 | WNZW890 | LIREN |
| 2002-04-15 | WNZW890 | LETRES |
| 2001-11-29 | WNZW890 | AUDOPR |
| 2000-11-24 | WNZW890 | LICCNV |
| 1997-05-02 | WNZW890 | AUTHPR |
| 1997-05-02 | WNZW890 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1906252 | 2026-08-02 01:15:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNZW890 | ULS 1906252 | 2026-08-02 01:15:31 |
| Status | A | ULS 1906252 | 2026-08-02 01:15:31 |
| Service | IG | ULS 1906252 | 2026-08-02 01:15:31 |
| Grant Date | 2022-08-11 | ULS 1906252 | 2026-08-02 01:15:31 |
| Expiration Date | 2032-07-06 | ULS 1906252 | 2026-08-02 01:15:31 |