Universal Licensing System
WPJM921
MASSDOT, Highway Division
License details
| ULS identifier | 1147106 |
|---|
| Call sign | WPJM921 |
|---|
| Radio service | LN |
|---|
| Status | A |
|---|
| Grant date | 2021-08-25 |
|---|
| Expiration | 2031-08-01 |
|---|
| Frequency range | 915 - 918 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | BOSTON, SUFFOLK, MA |
|---|
| Coordinates | 42.3751111, -71.0411667 |
|---|
| Source archive | l_LMcomm.zip |
|---|
| Dataset refreshed | 2026-08-02 00:43:01 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | LR | 915.00000000 | | | 1.000000 | 30.000000 | |
| 1 | 1 | LR | 918.00000000 | | | 1.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 915.00000000 | | 6M00P0N |
| 1 | 1 | 918.00000000 | | 6M00P0N |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | THIRD HARBOR TUNNEL, BOSTON, SUFFOLK, MA | 42.37511111, -71.04116667 | 5.000 m | B | 6.000 m structure / 6.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 668 SOUTH AVE, WESTON, MA | | 6174315166 |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-25 | WPJM921 | LIREN |
| 2021-07-02 | WPJM921 | ESURNW |
| 2021-06-02 | WPJM921 | ESURNW |
| 2021-05-10 | WPJM921 | LETRES |
| 2011-05-24 | WPJM921 | LIREN |
| 2011-05-03 | WPJM921 | ESURNW |
| 2010-01-27 | WPJM921 | LIAUA |
| 2010-01-26 | WPJM921 | ESCAPR |
| 2001-08-09 | WPJM921 | COR |
| 2001-08-09 | WPJM921 | LIREN |
| 2001-05-07 | WPJM921 | LETRES |
| 2000-09-15 | WPJM921 | LICCNV |
| 1996-08-02 | WPJM921 | AUTHPR |
| 1996-08-01 | WPJM921 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1147106 | 2026-08-02 00:43:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPJM921 | ULS 1147106 | 2026-08-02 00:43:01 |
| Status | A | ULS 1147106 | 2026-08-02 00:43:01 |
| Service | LN | ULS 1147106 | 2026-08-02 00:43:01 |
| Grant Date | 2021-08-25 | ULS 1147106 | 2026-08-02 00:43:01 |
| Expiration Date | 2031-08-01 | ULS 1147106 | 2026-08-02 00:43:01 |