Universal Licensing System
KLU381
MASSACHUSETTS BAY TRANSPORTATION AUTHORITY
License details
| ULS identifier | 1209652 |
|---|---|
| Call sign | KLU381 |
| Radio service | PW |
| Status | A |
| Grant date | 2023-04-27 |
| Expiration | 2033-07-19 |
| Frequency range | 470.4125 - 473.4125 MHz (2 frequencies) |
| Locations | 5 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:18:18 |
Licensee
| Name | MASSACHUSETTS BAY TRANSPORTATION AUTHORITY |
|---|---|
| Applicant type | G |
| FRN | 0003621059 |
| Location | Boston, MA |
| Address | 45 High St., Boston, MA, 02110 |
| Phone | 6172225442 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 4 | 1 | FB2 | 470.41250000 | 25.000000 | 345.000000 | |||
| 5 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 6 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 7 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 8 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 9 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 10 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 11 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 12 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 13 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 14 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 16 | 1 | FB2 | 470.41250000 | 25.000000 | 21.000000 | |||
| 17 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 18 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 19 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 20 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 21 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 22 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 23 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 24 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 25 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 26 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 27 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 | |||
| 28 | 1 | MO | 473.41250000 | 35.000000 | 70.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 4 | 1 | 470.41250000 | 20K0F3E | |
| 5 | 1 | 470.41250000 | 20K0F3E | |
| 6 | 1 | 470.41250000 | 20K0F3E | |
| 7 | 1 | 470.41250000 | 20K0F3E | |
| 8 | 1 | 470.41250000 | 20K0F3E | |
| 9 | 1 | 470.41250000 | 20K0F3E | |
| 10 | 1 | 470.41250000 | 20K0F3E | |
| 11 | 1 | 470.41250000 | 20K0F3E | |
| 12 | 1 | 470.41250000 | 20K0F3E | |
| 13 | 1 | 470.41250000 | 20K0F3E | |
| 14 | 1 | 470.41250000 | 20K0F3E | |
| 16 | 1 | 470.41250000 | 20K0F3E | |
| 17 | 1 | 473.41250000 | 20K0F3E | |
| 18 | 1 | 473.41250000 | 20K0F3E | |
| 19 | 1 | 473.41250000 | 20K0F3E | |
| 20 | 1 | 473.41250000 | 20K0F3E | |
| 21 | 1 | 473.41250000 | 20K0F3E | |
| 22 | 1 | 473.41250000 | 20K0F3E | |
| 23 | 1 | 473.41250000 | 20K0F3E | |
| 24 | 1 | 473.41250000 | 20K0F3E | |
| 25 | 1 | 473.41250000 | 20K0F3E | |
| 26 | 1 | 473.41250000 | 20K0F3E | |
| 27 | 1 | 473.41250000 | 20K0F3E | |
| 28 | 1 | 473.41250000 | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 4 | T | QUINCY CTR, QUINCY, NORFOLK, MA | 42.25122222, -71.00450000 | 12.000 m | N | ||
| 5 | T | DORCHESTER SUB, BOSTON, SUFFOLK, MA | 42.29288889, -71.06561111 | 15.000 m | N | ||
| 6 | T | ANDREW SQ, BOSTON, SUFFOLK, MA | 42.32927778, -71.04977778 | 6.000 m | N | ||
| 7 | T | WASHINGTON ST, BOSTON, SUFFOLK, MA | 42.35566667, -71.06033333 | 3.000 m | N | ||
| 8 | T | PARK ST SUB STA, BOSTON, SUFFOLK, MA | 42.35622222, -71.05672222 | 3.000 m | N | ||
| 9 | T | CENTRAL SQ, CAMBRIDGE, MIDDLESEX, MA | 42.35677778, -71.10033333 | 5.000 m | N | ||
| 10 | T | KENDALL SUB, CAMBRIDGE, MIDDLESEX, MA | 42.36483333, -71.07838889 | 5.000 m | N | ||
| 11 | T | HARVARD SQ, CAMBRIDGE, MIDDLESEX, MA | 42.37647222, -71.11922222 | 5.000 m | N | ||
| 12 | T | PORTER SQ, CAMBRIDGE, MIDDLESEX, MA | 42.38897222, -71.11922222 | 6.000 m | N | ||
| 13 | T | DAVIS SQ, SOMERVILLE, MIDDLESEX, MA | 42.39591667, -71.12200000 | 5.000 m | N | ||
| 14 | T | ALEWIFE SUB STA, CAMBRIDGE, MIDDLESEX, MA | 42.39730556, -71.14172222 | 3.000 m | N | ||
| 16 | T | BROADWAY SUB, BOSTON, SUFFOLK, MA | 42.67675000, -71.05894444 | 6.000 m | N | ||
| 17 | T | ||||||
| 18 | T | ||||||
| 19 | T | ||||||
| 20 | T | ||||||
| 21 | T | ||||||
| 22 | T | ||||||
| 23 | T | ||||||
| 24 | T | ||||||
| 25 | T | ||||||
| 26 | T | ||||||
| 27 | T | ||||||
| 28 | T |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | T | 52.000 m | 52.000 | |||||
| 1 | 5 | T | 1.000 m | -4.000 | |||||
| 1 | 6 | T | 13.000 m | -35.000 | |||||
| 1 | 7 | T | 1.000 m | -18.000 | |||||
| 1 | 8 | T | 18.000 m | -40.000 | |||||
| 1 | 9 | T | 1.000 m | -17.000 | |||||
| 1 | 10 | T | 17.000 m | -39.000 | |||||
| 1 | 11 | T | 23.000 m | -45.000 | |||||
| 1 | 12 | T | 46.000 m | -68.000 | |||||
| 1 | 13 | T | 21.000 m | -43.000 | |||||
| 1 | 14 | T | 30.000 m | -52.000 | |||||
| 1 | 16 | T | 1.000 m | -13.000 | |||||
| 1 | 17 | T | |||||||
| 1 | 18 | T | |||||||
| 1 | 19 | T | |||||||
| 1 | 20 | T | |||||||
| 1 | 21 | T | |||||||
| 1 | 22 | T | |||||||
| 1 | 23 | T | |||||||
| 1 | 24 | T | |||||||
| 1 | 25 | T | |||||||
| 1 | 26 | T | |||||||
| 1 | 27 | T | |||||||
| 1 | 28 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 45 HIGH ST, BOSTON, MA | SUFFOLK | 6172225707 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2023-04-27 | KLU381 | LIREN |
| 2023-04-24 | KLU381 | LETRES |
| 2023-04-20 | KLU381 | ESURNW |
| 2013-04-24 | KLU381 | LIREN |
| 2013-04-24 | KLU381 | LTSAPR |
| 2013-04-22 | KLU381 | LETRES |
| 2003-04-29 | KLU381 | LIREN |
| 2003-04-21 | KLU381 | LETRES |
| 2002-01-14 | KLU381 | AUDOPR |
| 2001-12-14 | KLU381 | LIMOD |
| 2000-10-20 | KLU381 | LICCNV |
| 1998-06-15 | KLU381 | AUTHPR |
| 1998-06-15 | KLU381 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1209652 | 2026-08-02 01:18:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | KLU381 | ULS 1209652 | 2026-08-02 01:18:18 |
| Status | A | ULS 1209652 | 2026-08-02 01:18:18 |
| Service | PW | ULS 1209652 | 2026-08-02 01:18:18 |
| Grant Date | 2023-04-27 | ULS 1209652 | 2026-08-02 01:18:18 |
| Expiration Date | 2033-07-19 | ULS 1209652 | 2026-08-02 01:18:18 |