Universal Licensing System
WNUD231
SCHOOL ADMINISTRATIVE UNIT #81
License details
| ULS identifier | 1675456 |
|---|
| Call sign | WNUD231 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2015-07-02 |
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| Expiration | 2025-08-27 |
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| Cancellation | 2025-12-13 |
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| Frequency range | 151.55 - 159.96 MHz (8 frequencies) |
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| Locations | 3 |
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| Representative location | HUDSON, HILLSBOROUGH, NH |
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| Coordinates | 42.7635278, -71.4245000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:46 |
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Licensee
| Name | SCHOOL ADMINISTRATIVE UNIT #81 |
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| Applicant type | G |
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| FRN | 0003655818 |
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| Location | HUDSON, NH |
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| Address | 20 LIBRARY STREET, HUDSON, NH, 03051 |
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| Phone | 6038861254 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB2 | 151.55000000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 151.55000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB | 151.92500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 151.92500000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FB2 | 152.96000000 | | | 40.000000 | 80.000000 | |
| 6 | 1 | MO | 152.96000000 | | | 40.000000 | 40.000000 | |
| 6 | 1 | MO | 158.34000000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 159.54000000 | | | 4.000000 | 4.000000 | |
| 7 | 1 | MO | 159.54000000 | | | 40.000000 | 40.000000 | |
| 7 | 1 | MO | 159.57000000 | | | 40.000000 | 40.000000 | |
| 7 | 1 | MO | 159.76500000 | | | 40.000000 | 40.000000 | |
| 7 | 1 | MO | 159.96000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 151.55000000 | | 11K2F3E |
| 4 | 1 | 151.55000000 | | 11K2F3E |
| 1 | 1 | 151.92500000 | | 11K2F3E |
| 2 | 1 | 151.92500000 | | 11K2F3E |
| 5 | 1 | 152.96000000 | | 11K2F3E |
| 5 | 1 | 152.96000000 | | 7K60FXE |
| 6 | 1 | 152.96000000 | | 7K60FXE |
| 6 | 1 | 152.96000000 | | 11K2F3E |
| 6 | 1 | 158.34000000 | | 11K2F3E |
| 6 | 1 | 158.34000000 | | 7K60FXE |
| 4 | 1 | 159.54000000 | | 11K2F3E |
| 7 | 1 | 159.54000000 | | 7K60FXE |
| 7 | 1 | 159.54000000 | | 11K2F3E |
| 7 | 1 | 159.57000000 | | 11K2F3E |
| 7 | 1 | 159.57000000 | | 7K60FXE |
| 7 | 1 | 159.76500000 | | 11K2F3E |
| 7 | 1 | 159.76500000 | | 7K60FXE |
| 7 | 1 | 159.96000000 | | 11K2F3E |
| 7 | 1 | 159.96000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 20 LIBRARY ST, HUDSON, HILLSBOROUGH, NH | 42.76508333, -71.43894444 | 37.000 m | BANT | 18.000 m structure / 21.000 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | 200 DERRY ROAD, HUDSON, HILLSBOROUGH, NH | 42.79377778, -71.43791667 | 63.000 m | B | 18.200 m structure / 18.200 m overall | N |
| 4 | T | | | | | | N |
| 5 | T | 1 MEMORIAL DRIVE, HUDSON, HILLSBOROUGH, NH | 42.76352778, -71.42450000 | 57.300 m | BANT | 5.400 m structure / 7.900 m overall | N |
| 6 | T | | | | | | N |
| 7 | T | HUDSON, HILLSBOROUGH, NH | 42.76352778, -71.42450000 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | | -3.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 12.000 m | | | | 12.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 7.900 m | | | | 6.000 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 20 LIBRARY ST, HUDSON, NH | | 6038861254 |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-13 | WNUD231 | LIEXP |
| 2025-06-02 | WNUD231 | LETRES |
| 2019-08-21 | WNUD231 | LIMOD |
| 2015-07-02 | WNUD231 | LIREN |
| 2015-06-01 | WNUD231 | LETRES |
| 2012-10-31 | WNUD231 | LIMOD |
| 2012-08-20 | WNUD231 | ESCAPR |
| 2005-08-13 | WNUD231 | LIREN |
| 2005-08-12 | WNUD231 | ESCAPR |
| 2005-06-06 | WNUD231 | LETRES |
| 2001-11-02 | WNUD231 | AUDOPR |
| 2000-11-23 | WNUD231 | LICCNV |
| 2000-09-18 | WNUD231 | AUTHPR |
| 2000-09-18 | WNUD231 | LIREN |
| 2000-05-31 | WNUD231 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1675456 | 2026-08-02 01:09:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNUD231 | ULS 1675456 | 2026-08-02 01:09:46 |
| Status | E | ULS 1675456 | 2026-08-02 01:09:46 |
| Service | IG | ULS 1675456 | 2026-08-02 01:09:46 |
| Grant Date | 2015-07-02 | ULS 1675456 | 2026-08-02 01:09:46 |
| Expiration Date | 2025-08-27 | ULS 1675456 | 2026-08-02 01:09:46 |
| Cancellation Date | 2025-12-13 | ULS 1675456 | 2026-08-02 01:09:46 |