Universal Licensing System
WSNA412
EMERSON HOSPITAL
License details
| ULS identifier | 5312231 |
|---|
| Call sign | WSNA412 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2026-06-01 |
|---|
| Expiration | 2026-11-22 |
|---|
| Frequency range | 21825 - 21925 MHz (3 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CONCORD, MIDDLESEX, MA |
|---|
| Coordinates | 42.4522500, -71.3754722 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21825.00000000 | | 46M0D7W |
| 1 | 1 | 21825.00000000 | | 46M0D7W |
| 1 | 1 | 21825.00000000 | | 46M0D7W |
| 1 | 1 | 21825.00000000 | | 46M0D7W |
| 1 | 1 | 21825.00000000 | | 46M0D7W |
| 1 | 1 | 21825.00000000 | | 46M0D7W |
| 1 | 1 | 21875.00000000 | | 46M0D7W |
| 1 | 1 | 21875.00000000 | | 46M0D7W |
| 1 | 1 | 21875.00000000 | | 46M0D7W |
| 1 | 1 | 21875.00000000 | | 46M0D7W |
| 1 | 1 | 21875.00000000 | | 46M0D7W |
| 1 | 1 | 21875.00000000 | | 46M0D7W |
| 1 | 1 | 21925.00000000 | | 46M0D7W |
| 1 | 1 | 21925.00000000 | | 46M0D7W |
| 1 | 1 | 21925.00000000 | | 46M0D7W |
| 1 | 1 | 21925.00000000 | | 46M0D7W |
| 1 | 1 | 21925.00000000 | | 46M0D7W |
| 1 | 1 | 21925.00000000 | | 46M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 133 OLD ROAD TO NINE ACRE CORNER, CONCORD, MIDDLESEX, MA | 42.45225000, -71.37547222 | 45.600 m | BMAST | 32.000 m structure / 38.100 m overall | |
| 2 | R | | 42.46077778, -71.38516667 | 48.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HP2-23 | | V | 40.2000 | 319.9000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP2-23 | | | 40.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-01 | WSNA412 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5312231 | 2026-08-02 02:44:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSNA412 | ULS 5312231 | 2026-08-02 02:44:43 |
| Status | A | ULS 5312231 | 2026-08-02 02:44:43 |
| Service | MW | ULS 5312231 | 2026-08-02 02:44:43 |
| Grant Date | 2026-06-01 | ULS 5312231 | 2026-08-02 02:44:43 |
| Expiration Date | 2026-11-22 | ULS 5312231 | 2026-08-02 02:44:43 |