Universal Licensing System
WRMK688
Spectrum Health Systems
License details
| ULS identifier | 4440210 |
|---|
| Call sign | WRMK688 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-04-24 |
|---|
| Expiration | 2031-04-24 |
|---|
| Frequency range | 451.3125 - 456.4125 MHz (5 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | North Grafton, WORCESTER, MA |
|---|
| Coordinates | 42.2373611, -71.6900000 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:31 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.51250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 451.51250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 451.51250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.31250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 456.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.41250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 456.41250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.31250000 | | 7K60FXD |
| 1 | 1 | 451.31250000 | | 7K60FXE |
| 2 | 1 | 451.31250000 | | 7K60FXD |
| 2 | 1 | 451.31250000 | | 7K60FXE |
| 3 | 1 | 451.31250000 | | 7K60FXE |
| 3 | 1 | 451.31250000 | | 7K60FXD |
| 1 | 1 | 451.41250000 | | 7K60FXD |
| 1 | 1 | 451.41250000 | | 7K60FXE |
| 2 | 1 | 451.41250000 | | 7K60FXE |
| 2 | 1 | 451.41250000 | | 7K60FXD |
| 3 | 1 | 451.41250000 | | 7K60FXD |
| 3 | 1 | 451.41250000 | | 7K60FXE |
| 1 | 1 | 451.51250000 | | 7K60FXD |
| 1 | 1 | 451.51250000 | | 7K60FXE |
| 2 | 1 | 451.51250000 | | 7K60FXD |
| 2 | 1 | 451.51250000 | | 7K60FXE |
| 3 | 1 | 451.51250000 | | 7K60FXD |
| 3 | 1 | 451.51250000 | | 7K60FXE |
| 1 | 1 | 456.31250000 | | 7K60FXD |
| 1 | 1 | 456.31250000 | | 7K60FXE |
| 2 | 1 | 456.31250000 | | 7K60FXD |
| 2 | 1 | 456.31250000 | | 7K60FXE |
| 3 | 1 | 456.31250000 | | 7K60FXE |
| 3 | 1 | 456.31250000 | | 7K60FXD |
| 1 | 1 | 456.41250000 | | 7K60FXD |
| 1 | 1 | 456.41250000 | | 7K60FXE |
| 2 | 1 | 456.41250000 | | 7K60FXD |
| 2 | 1 | 456.41250000 | | 7K60FXE |
| 3 | 1 | 456.41250000 | | 7K60FXE |
| 3 | 1 | 456.41250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | North Grafton, WORCESTER, MA | 42.23736111, -71.69000000 | | | | |
| 2 | T | Methuen, ESSEX, MA | 42.73847222, -71.15480556 | | | | |
| 3 | T | Westborough, WORCESTER, MA | 42.30019444, -71.60438889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 10 Mechanic Street, Worcester, MA | WORCESTER | 5084753582 |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-24 | WRMK688 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4440210 | 2026-08-02 01:22:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMK688 | ULS 4440210 | 2026-08-02 01:22:31 |
| Status | A | ULS 4440210 | 2026-08-02 01:22:31 |
| Service | IG | ULS 4440210 | 2026-08-02 01:22:31 |
| Grant Date | 2021-04-24 | ULS 4440210 | 2026-08-02 01:22:31 |
| Expiration Date | 2031-04-24 | ULS 4440210 | 2026-08-02 01:22:31 |