Universal Licensing System
KWI957
MASSACHUSETTS BAY TRANSPORTATION AUTHORITY
License details
| ULS identifier | 1219230 |
|---|
| Call sign | KWI957 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2023-12-27 |
|---|
| Expiration | 2034-02-13 |
|---|
| Frequency range | 470.6125 - 473.6125 MHz (2 frequencies) |
|---|
| Locations | 8 |
|---|
| Representative location | BOSTON, SUFFOLK, MA |
|---|
| Coordinates | 42.3487222, -71.0758889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:18:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 470.61250000 | | | 40.000000 | 88.000000 | |
| 2 | 1 | FB2 | 470.61250000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | FB2 | 470.61250000 | | | 50.000000 | 47.000000 | |
| 4 | 1 | FB2 | 470.61250000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | FB2 | 470.61250000 | | | 40.000000 | 14.000000 | |
| 6 | 1 | FB2 | 470.61250000 | | | 40.000000 | 14.000000 | |
| 7 | 1 | MO | 473.61250000 | | | 10.000000 | 10.000000 | |
| 8 | 1 | MO | 473.61250000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 470.61250000 | | 20K0F3E |
| 2 | 1 | 470.61250000 | | 20K0F3E |
| 3 | 1 | 470.61250000 | | 20K0F3E |
| 4 | 1 | 470.61250000 | | 20K0F3E |
| 5 | 1 | 470.61250000 | | 20K0F3E |
| 6 | 1 | 470.61250000 | | 20K0F3E |
| 7 | 1 | 473.61250000 | | 20K0F3E |
| 8 | 1 | 473.61250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | JOHN HANCOCK TOWER 200 CLARENDON ST, BOSTON, SUFFOLK, MA | 42.34872222, -71.07588889 | 5.000 m | | | N |
| 2 | T | N MBTA STA, BOSTON, SUFFOLK, MA | 42.38258333, -71.06033333 | 4.000 m | | | N |
| 3 | T | WELLINGTON MBTA STA, MEDFORD, MIDDLESEX, MA | 42.40202778, -71.07922222 | 3.000 m | | | N |
| 4 | T | CHINATOWN MBTA STA, BOSTON, SUFFOLK, MA | 42.35233333, -71.06283333 | 6.000 m | | | N |
| 5 | T | W NEWTON ST, BOSTON, SUFFOLK, MA | 42.34511111, -71.08005556 | 1.000 m | | | N |
| 6 | T | RUGGLES MBTA STA, BOSTON, SUFFOLK, MA | 42.33677778, -71.08950000 | 1.000 m | | | N |
| 7 | T | | | | | | |
| 8 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 260.000 m | | | | 232.000 | |
| 1 | 2 | T | | -6.000 m | | | | -12.000 | |
| 1 | 3 | T | | 61.000 m | | | | 39.000 | |
| 1 | 4 | T | | -3.000 m | | | | -16.000 | |
| 1 | 5 | T | | -3.000 m | | | | 23.000 | |
| 1 | 6 | T | | -6.000 m | | | | 25.000 | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 45 HIGH ST, BOSTON, MA | SUFFOLK | 6177225744 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-27 | KWI957 | LIREN |
| 2023-12-15 | KWI957 | ESURNW |
| 2023-11-20 | KWI957 | LETRES |
| 2023-11-15 | KWI957 | ESURNW |
| 2013-12-04 | KWI957 | LIREN |
| 2013-12-04 | KWI957 | LTSAPR |
| 2013-11-18 | KWI957 | LETRES |
| 2003-12-10 | KWI957 | LIREN |
| 2003-11-17 | KWI957 | LETRES |
| 2002-01-14 | KWI957 | AUDOPR |
| 2001-12-13 | KWI957 | LIMOD |
| 2000-10-20 | KWI957 | LICCNV |
| 1999-01-29 | KWI957 | AUTHPR |
| 1998-11-20 | KWI957 | LIDUP |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1219230 | 2026-08-02 01:18:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KWI957 | ULS 1219230 | 2026-08-02 01:18:18 |
| Status | A | ULS 1219230 | 2026-08-02 01:18:18 |
| Service | PW | ULS 1219230 | 2026-08-02 01:18:18 |
| Grant Date | 2023-12-27 | ULS 1219230 | 2026-08-02 01:18:18 |
| Expiration Date | 2034-02-13 | ULS 1219230 | 2026-08-02 01:18:18 |