Universal Licensing System
WRBM491
Boston, City of
License details
| ULS identifier | 4039538 |
|---|
| Call sign | WRBM491 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2018-04-30 |
|---|
| Expiration | 2028-04-30 |
|---|
| Frequency range | 23025 MHz |
|---|
| Locations | 4 |
|---|
| Representative location | Brighton, SUFFOLK, MA |
|---|
| Coordinates | 42.3395278, -71.1587222 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:44:18 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 1 | FXO | 21975.00000000 | | | | | |
| 1 | 1 | FXO | 21975.00000000 | | | | | |
| 1 | 1 | FXO | 21975.00000000 | | | | | |
| 1 | 1 | FXO | 21975.00000000 | | | | | |
| 1 | 1 | FXO | 21975.00000000 | | | | | |
| 1 | 3 | FXO | 23025.00000000 | | | | | |
| 1 | 3 | FXO | 23025.00000000 | | | | | |
| 1 | 3 | FXO | 23025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 2 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 21975.00000000 | | 50M0D7W |
| 1 | 1 | 21975.00000000 | | 50M0D7W |
| 1 | 1 | 21975.00000000 | | 50M0D7W |
| 1 | 1 | 21975.00000000 | | 50M0D7W |
| 1 | 1 | 21975.00000000 | | 50M0D7W |
| 1 | 3 | 23025.00000000 | | 10M0D7W |
| 1 | 3 | 23025.00000000 | | 10M0D7W |
| 1 | 3 | 23025.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2000 Commonwealth Avenue, Brighton, SUFFOLK, MA | 42.33952778, -71.15872222 | 49.100 m | BANT | 60.400 m structure / 62.500 m overall | |
| 2 | R | | 42.32675000, -71.11033333 | 21.600 m | | | |
| 3 | R | | 42.34708333, -71.14158333 | 45.100 m | | | |
| 4 | R | | 42.35316667, -71.16602778 | 38.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC3-220A | | V | 44.8000 | 109.6000 | | |
| 1 | 2 | R | RFS SC3-220A | | | 44.8000 | | | |
| 1 | 3 | R | RFS SC2-190A | | | 39.0000 | | | |
| 1 | 4 | R | RFS SB1-220C | | | 35.8000 | | | |
| 2 | 1 | T | RFS SC2-190A | | V | 39.0000 | 59.3000 | | |
| 3 | 1 | T | RFS SB1-220C | | V | 35.8000 | 338.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2018-04-30 | WRBM491 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4039538 | 2026-08-02 02:44:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBM491 | ULS 4039538 | 2026-08-02 02:44:18 |
| Status | A | ULS 4039538 | 2026-08-02 02:44:18 |
| Service | MW | ULS 4039538 | 2026-08-02 02:44:18 |
| Grant Date | 2018-04-30 | ULS 4039538 | 2026-08-02 02:44:18 |
| Expiration Date | 2028-04-30 | ULS 4039538 | 2026-08-02 02:44:18 |