Universal Licensing System
WREC641
City of Cambridge
License details
| ULS identifier | 4199858 |
|---|
| Call sign | WREC641 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-09-18 |
|---|
| Expiration | 2029-09-18 |
|---|
| Frequency range | 17815 - 18115 MHz (3 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Cambridge, MIDDLESEX, MA |
|---|
| Coordinates | 42.3543056, -71.1035000 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:42:30 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 3 | FXO | 17815.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 2 | FXO | 18065.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 3 | 17815.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 2 | 18065.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
| 1 | 1 | 18115.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 550 Memorial Dr., Cambridge, MIDDLESEX, MA | 42.35430556, -71.10350000 | 3.000 m | BANT | 73.500 m structure / 73.500 m overall | |
| 2 | R | | 42.33680556, -71.09850000 | 5.100 m | | | |
| 3 | R | | 42.37722222, -71.11338889 | 6.400 m | | | |
| 4 | R | | 42.33408333, -71.12061111 | 14.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-190B | | H | 39.0000 | 168.0000 | | |
| 1 | 2 | R | RFS SC2-190B | | | 39.0000 | | | |
| 1 | 3 | R | RFS SC2-190B | | | 39.0000 | | | |
| 1 | 4 | R | RFS SC2-190B | | | 39.0000 | | | |
| 2 | 1 | T | RFS SC2-190B | | V | 39.0000 | 342.3000 | | |
| 3 | 1 | T | RFS SC2-190B | | V | 39.0000 | 212.1000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-17 | WREC641 | LIAUA |
| 2019-09-18 | WREC641 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4199858 | 2026-08-02 02:42:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WREC641 | ULS 4199858 | 2026-08-02 02:42:30 |
| Status | A | ULS 4199858 | 2026-08-02 02:42:30 |
| Service | MW | ULS 4199858 | 2026-08-02 02:42:30 |
| Grant Date | 2019-09-18 | ULS 4199858 | 2026-08-02 02:42:30 |
| Expiration Date | 2029-09-18 | ULS 4199858 | 2026-08-02 02:42:30 |