Universal Licensing System
WQDM990
Northfield Mount Herman School
License details
| ULS identifier | 2752513 |
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| Call sign | WQDM990 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 2005-10-05 |
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| Expiration | 2015-10-05 |
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| Cancellation | 2015-12-05 |
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| Frequency range | 17800 MHz |
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| Locations | 2 |
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| Representative location | Northfield, FRANKLIN, MA |
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| Coordinates | 42.6692500, -72.4792500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17800.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17800.00000000 | | 28M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 28 Mount Herman Drive, Northfield, FRANKLIN, MA | 42.66925000, -72.47925000 | 93.600 m | BPOLE | 21.300 m structure / 25.300 m overall | |
| 2 | R | | 42.71869444, -72.44341667 | 78.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves HP2-18 | | V | 38.6000 | 28.1000 | | |
| 1 | 2 | R | Radio Waves HP2-18 | | | 38.6000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 206 Main Street, Northfield, MA | FRANKLIN | 4134983925 |
License history
| Date | File or call sign | Action |
|---|
| 2015-12-05 | WQDM990 | LIEXP |
| 2015-07-13 | WQDM990 | LETRES |
| 2005-10-05 | WQDM990 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2752513 | 2026-08-02 02:44:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDM990 | ULS 2752513 | 2026-08-02 02:44:36 |
| Status | E | ULS 2752513 | 2026-08-02 02:44:36 |
| Service | MG | ULS 2752513 | 2026-08-02 02:44:36 |
| Grant Date | 2005-10-05 | ULS 2752513 | 2026-08-02 02:44:36 |
| Expiration Date | 2015-10-05 | ULS 2752513 | 2026-08-02 02:44:36 |
| Cancellation Date | 2015-12-05 | ULS 2752513 | 2026-08-02 02:44:36 |