Universal Licensing System
WRVZ661
METRO AMBULANCE SERVICE, LLC
License details
| ULS identifier | 4716004 |
|---|
| Call sign | WRVZ661 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2023-01-26 |
|---|
| Expiration | 2033-01-26 |
|---|
| Frequency range | 471.15 - 474.15 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | WOBURN, MIDDLESEX, MA |
|---|
| Coordinates | 42.4741111, -71.1290278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:24:00 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 471.15000000 | | | 250.000000 | 500.000000 | |
| 2 | 1 | MO | 471.15000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 474.15000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.15000000 | | 11K2F3E |
| 1 | 1 | 471.15000000 | | 7K60FXE |
| 1 | 1 | 471.15000000 | | 8K10F1D |
| 1 | 1 | 471.15000000 | | 8K10F1E |
| 1 | 1 | 471.15000000 | | 7K60FXD |
| 2 | 1 | 471.15000000 | | 8K10F1D |
| 2 | 1 | 471.15000000 | | 8K10F1E |
| 2 | 1 | 471.15000000 | | 11K2F3E |
| 2 | 1 | 471.15000000 | | 7K60FXD |
| 2 | 1 | 471.15000000 | | 7K60FXE |
| 2 | 1 | 474.15000000 | | 7K60FXD |
| 2 | 1 | 474.15000000 | | 7K60FXE |
| 2 | 1 | 474.15000000 | | 11K2F3E |
| 2 | 1 | 474.15000000 | | 8K10F1D |
| 2 | 1 | 474.15000000 | | 8K10F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10 DRAPER ST, WOBURN, MIDDLESEX, MA | 42.47411111, -71.12902778 | 14.000 m | BMAST | 15.200 m structure / 19.800 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 19.800 m | | | | -0.700 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 10 DRAPER ST, WOBURN, MA | MIDDLESEX | 7814963072 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-31 | WRVZ661 | LETCNS |
| 2023-01-26 | WRVZ661 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4716004 | 2026-08-02 01:24:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRVZ661 | ULS 4716004 | 2026-08-02 01:24:00 |
| Status | A | ULS 4716004 | 2026-08-02 01:24:00 |
| Service | PW | ULS 4716004 | 2026-08-02 01:24:00 |
| Grant Date | 2023-01-26 | ULS 4716004 | 2026-08-02 01:24:00 |
| Expiration Date | 2033-01-26 | ULS 4716004 | 2026-08-02 01:24:00 |