Universal Licensing System
WPPZ397
MASSACHUSETTS BAY TRANSPORTATION AUTHORITY
License details
| ULS identifier | 1298468 |
|---|
| Call sign | WPPZ397 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2025-03-28 |
|---|
| Expiration | 2035-03-28 |
|---|
| Frequency range | 470.6125 - 473.6125 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | BOSTON, SUFFOLK, MA |
|---|
| Coordinates | 42.3484444, -71.0750556 |
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| Source archive | l_LMpriv.zip |
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| 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 | 80.000000 | |
| 1 | 1 | FB | 470.61250000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | FB2 | 470.61250000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | FB | 470.61250000 | | | 40.000000 | 80.000000 | |
| 3 | 1 | FB2 | 470.61250000 | | | 40.000000 | 80.000000 | |
| 3 | 1 | FB | 470.61250000 | | | 40.000000 | 80.000000 | |
| 4 | 1 | FB2 | 470.61250000 | | | 40.000000 | 80.000000 | |
| 4 | 1 | FB | 470.61250000 | | | 40.000000 | 80.000000 | |
| 5 | 1 | MO | 473.61250000 | | | 5.000000 | 5.000000 | |
| 5 | 1 | MO | 473.61250000 | | | 40.000000 | 80.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 470.61250000 | | 20K0F2D |
| 1 | 1 | 470.61250000 | | 20K0F3E |
| 2 | 1 | 470.61250000 | | 20K0F2D |
| 2 | 1 | 470.61250000 | | 20K0F3E |
| 3 | 1 | 470.61250000 | | 20K0F2D |
| 3 | 1 | 470.61250000 | | 20K0F3E |
| 4 | 1 | 470.61250000 | | 20K0F2D |
| 4 | 1 | 470.61250000 | | 20K0F3E |
| 5 | 1 | 473.61250000 | | 20K0F2D |
| 5 | 1 | 473.61250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MBTA OPERATIONS CONTROL CENTER 45 HIGH ST, BOSTON, SUFFOLK, MA | 42.35372222, -71.05783333 | 8.000 m | B | 47.000 m structure / 50.000 m overall | N |
| 2 | T | TRANSPORTATION BLDG TEN PARK PLAZZA, BOSTON, SUFFOLK, MA | 42.35205556, -71.06727778 | 7.000 m | B | 49.000 m structure / 55.000 m overall | N |
| 3 | T | MBTA JACKSON STATION, BOSTON, SUFFOLK, MA | 42.32288889, -71.10033333 | 3.000 m | POLE | 23.000 m structure / 29.000 m overall | N |
| 4 | T | MBTA BACK BAY STATION, BOSTON, SUFFOLK, MA | 42.34844444, -71.07505556 | -9.000 m | B | -3.000 m structure / -3.000 m overall | N |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 50.000 m | | | | 41.000 | |
| 1 | 2 | T | | 50.000 m | | | | 39.000 | |
| 1 | 3 | T | | 29.000 m | | | | 4.000 | |
| 1 | 4 | T | | -3.000 m | | | | -28.000 | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 45 HIGH STREET, BOSTON, MA | | 6172225278 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-28 | WPPZ397 | LIREN |
| 2025-03-18 | WPPZ397 | ESURNW |
| 2025-02-26 | WPPZ397 | ESURNW |
| 2024-12-30 | WPPZ397 | LETRES |
| 2015-02-13 | WPPZ397 | LIREN |
| 2015-02-12 | WPPZ397 | ESUAPR |
| 2015-01-27 | WPPZ397 | ESURNW |
| 2015-01-05 | WPPZ397 | LETRES |
| 2014-12-28 | WPPZ397 | ESURNW |
| 2005-03-25 | WPPZ397 | ESUAPR |
| 2005-03-25 | WPPZ397 | LIREN |
| 2005-01-03 | WPPZ397 | LETRES |
| 2001-10-15 | WPPZ397 | AUDOPR |
| 2000-10-20 | WPPZ397 | LICCNV |
| 2000-03-29 | WPPZ397 | AUTHPR |
| 2000-03-28 | WPPZ397 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1298468 | 2026-08-02 01:18:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPZ397 | ULS 1298468 | 2026-08-02 01:18:18 |
| Status | A | ULS 1298468 | 2026-08-02 01:18:18 |
| Service | PW | ULS 1298468 | 2026-08-02 01:18:18 |
| Grant Date | 2025-03-28 | ULS 1298468 | 2026-08-02 01:18:18 |
| Expiration Date | 2035-03-28 | ULS 1298468 | 2026-08-02 01:18:18 |