Universal Licensing System
WPPX846
MASSACHUSETTS BAY TRANSPORTATION AUTHORITY
License details
| ULS identifier | 1821713 |
|---|---|
| Call sign | WPPX846 |
| Radio service | IG |
| Status | A |
| Grant date | 2024-12-18 |
| Expiration | 2035-03-07 |
| Frequency range | 160.215 - 161.49 MHz (8 frequencies) |
| Locations | 2 |
| Representative location | LITTLETON, MIDDLESEX, MA |
| Coordinates | 42.5508611, -71.5279167 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:18:18 |
Licensee
| Name | MASSACHUSETTS BAY TRANSPORTATION AUTHORITY |
|---|---|
| Applicant type | G |
| FRN | 0005189683 |
| Location | Somerville, MA |
| Address | 32 Cobble Hill Road, Somerville, MA, 02143 |
| Phone | 6172223061 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 3 | 1 | FB | 160.21500000 | 75.000000 | 119.000000 | |||
| 1 | 1 | FB | 160.32000000 | 75.000000 | 119.000000 | |||
| 3 | 1 | FB | 160.32000000 | 75.000000 | 119.000000 | |||
| 2 | 1 | FB | 160.59000000 | 75.000000 | 119.000000 | |||
| 3 | 1 | FB | 160.59000000 | 75.000000 | 119.000000 | |||
| 6 | 1 | FB | 160.59000000 | 50.000000 | 50.000000 | |||
| 3 | 1 | FB | 160.69500000 | 75.000000 | 119.000000 | |||
| 4 | 1 | FB | 160.72500000 | 75.000000 | 119.000000 | |||
| 7 | 2 | FB | 160.87500000 | 50.000000 | 80.000000 | |||
| 3 | 1 | FB | 161.26500000 | 75.000000 | 119.000000 | |||
| 5 | 1 | MO | 161.26500000 | 75.000000 | 75.000000 | |||
| 7 | 1 | FB | 161.46000000 | 50.000000 | 80.000000 | |||
| 7 | 2 | FB | 161.46000000 | 50.000000 | 80.000000 | |||
| 4 | 1 | FB | 161.49000000 | 75.000000 | 119.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 3 | 1 | 160.21500000 | 11K2F3E | |
| 3 | 1 | 160.21500000 | 4K00F1D | |
| 1 | 1 | 160.32000000 | 4K00F1E | |
| 1 | 1 | 160.32000000 | 11K2F3E | |
| 3 | 1 | 160.32000000 | 11K2F3E | |
| 3 | 1 | 160.32000000 | 4K00F1E | |
| 2 | 1 | 160.59000000 | 4K00F1E | |
| 2 | 1 | 160.59000000 | 11K2F3E | |
| 3 | 1 | 160.59000000 | 11K2F3E | |
| 3 | 1 | 160.59000000 | 4K00F1E | |
| 6 | 1 | 160.59000000 | 11K2F3E | |
| 6 | 1 | 160.59000000 | 4K00F1D | |
| 3 | 1 | 160.69500000 | 4K00F1E | |
| 3 | 1 | 160.69500000 | 11K2F3E | |
| 4 | 1 | 160.72500000 | 11K2F3E | |
| 4 | 1 | 160.72500000 | 4K00F1D | |
| 7 | 2 | 160.87500000 | 4K00F1D | |
| 7 | 2 | 160.87500000 | 11K2F3E | |
| 3 | 1 | 161.26500000 | 11K2F3E | |
| 3 | 1 | 161.26500000 | 4K00F1E | |
| 5 | 1 | 161.26500000 | 11K2F3E | |
| 5 | 1 | 161.26500000 | 4K00F1D | |
| 7 | 1 | 161.46000000 | 11K2F3E | |
| 7 | 1 | 161.46000000 | 4K00F1D | |
| 7 | 2 | 161.46000000 | 4K00F1D | |
| 7 | 2 | 161.46000000 | 11K2F3E | |
| 4 | 1 | 161.49000000 | 11K2F3E | |
| 4 | 1 | 161.49000000 | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | RAILROAD AVE AND MBTA ROW, ROWLEY, ESSEX, MA | 42.70841667, -70.85783333 | 7.000 m | POLE | 18.000 m structure / 21.000 m overall | N |
| 2 | T | MARTIN ST AND MBTA ROW, SOUTH ACTON, MIDDLESEX, MA | 42.46119444, -71.46172222 | 60.000 m | POLE | 21.000 m structure / 24.000 m overall | N |
| 3 | T | WILMINGTON JCT 1 MI N OF SALEM ST ON MBTA ROW, WILMINGTON, MIDDLESEX, MA | 42.58147222, -71.16616667 | 30.000 m | LTOWER | 31.000 m structure / 37.000 m overall | N |
| 4 | T | RIVERSIDE AVE AND MBTA ROW, KINGSTON, PLYMOUTH, MA | 41.99566667, -70.72225000 | 2.000 m | B | 5.000 m structure / 6.000 m overall | N |
| 5 | T | Wilmington, MIDDLESEX, MA | 42.58147222, -71.16616667 | N | |||
| 6 | T | Ayer Road ( Rte 2A ) overpass at MBTA ROW, LITTLETON, MIDDLESEX, MA | 42.55086111, -71.52791667 | 69.000 m | BANT | 4.000 m structure / 5.000 m overall | N |
| 7 | T | MBTA Layover Yard at Interstate Rte.95 South , Exit 25, PAWTUCKET, PROVIDENCE, RI | 41.85819444, -71.40577778 | 16.000 m | UPOLE | 14.000 m structure / 17.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 21.000 m | 14.000 | |||||
| 1 | 2 | T | 24.000 m | 11.000 | |||||
| 1 | 3 | T | 37.000 m | 28.000 | |||||
| 1 | 4 | T | 6.000 m | 12.000 | |||||
| 1 | 5 | T | |||||||
| 1 | 6 | T | 5.000 m | V | 0.0000 | -4.000 | |||
| 1 | 7 | T | 17.000 m | V | 3.0000 | -13.000 | |||
| 2 | 7 | T | 17.000 m | V | 3.0000 | -13.000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 32 COBBLE HILL RD, SOMERVILLE, MA | MIDDLESEX | 6172223628 |
| 2 | 1800 Iron Horse Park, Billerica, MA | MIDDLESEX | 6172223628 |
| 4 | 5th Floor CETC, South Station, Summer Street, Boston, MA | SUFFOLK | 6172228101 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2025-07-11 | WPPX846 | LIAUA |
| 2024-12-18 | WPPX846 | LIREN |
| 2024-12-09 | WPPX846 | LETRES |
| 2024-08-06 | WPPX846 | LIAUA |
| 2024-08-01 | WPPX846 | LIAUA |
| 2023-04-27 | WPPX846 | LIAUA |
| 2016-01-26 | WPPX846 | LETCNS |
| 2015-08-04 | WPPX846 | LIMOD |
| 2015-06-11 | WPPX846 | LIMOD |
| 2015-04-24 | WPPX846 | LIMOD |
| 2015-02-03 | WPPX846 | LIREN |
| 2015-01-31 | WPPX846 | LIMOD |
| 2014-12-15 | WPPX846 | LETRES |
| 2014-12-07 | WPPX846 | ESURNW |
| 2014-07-25 | WPPX846 | LIAUA |
| 2014-07-24 | WPPX846 | ESUAPR |
| 2014-07-23 | WPPX846 | LIAUA |
| 2014-07-22 | WPPX846 | ESUAPR |
| 2012-01-27 | WPPX846 | LIMOD |
| 2005-01-06 | WPPX846 | LIREN |
| 2005-01-06 | WPPX846 | LTSAPR |
| 2004-12-13 | WPPX846 | LETRES |
| 2004-03-16 | WPPX846 | LIAUA |
| 2004-03-16 | WPPX846 | LTSAPR |
| 2001-10-22 | WPPX846 | AUDOPR |
| 2000-11-23 | WPPX846 | LICCNV |
| 2000-03-07 | WPPX846 | LIISS |
| 2000-03-07 | WPPX846 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1821713 | 2026-08-02 01:18:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPPX846 | ULS 1821713 | 2026-08-02 01:18:18 |
| Status | A | ULS 1821713 | 2026-08-02 01:18:18 |
| Service | IG | ULS 1821713 | 2026-08-02 01:18:18 |
| Grant Date | 2024-12-18 | ULS 1821713 | 2026-08-02 01:18:18 |
| Expiration Date | 2035-03-07 | ULS 1821713 | 2026-08-02 01:18:18 |