Universal Licensing System
WIL581
Unkles, David
License details
| ULS identifier | 1645280 |
|---|
| Call sign | WIL581 |
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| Radio service | IG |
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| Status | A |
|---|
| Grant date | 2023-05-11 |
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| Expiration | 2033-06-23 |
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| Frequency range | 472.9875 - 475.9875 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | DERRY, ROCKINGHAM, NH |
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| Coordinates | 42.8788889, -71.2750000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-23 05:46:08 |
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Licensee
| Name | Unkles, David |
|---|
| Applicant type | I |
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| FRN | 0003468568 |
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| Location | DERRY, NH |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 472.98750000 | | | 75.000000 | 350.000000 | |
| 2 | 1 | MO | 472.98750000 | | | 60.000000 | 200.000000 | |
| 3 | 1 | FB6 | 472.98750000 | | | 125.000000 | 500.000000 | |
| 4 | 1 | MO | 472.98750000 | | | 60.000000 | 200.000000 | |
| 2 | 1 | MO | 475.98750000 | | | 60.000000 | 200.000000 | |
| 4 | 1 | MO | 475.98750000 | | | 60.000000 | 200.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.98750000 | | 11K2F3E |
| 1 | 1 | 472.98750000 | | 4K00F1E |
| 1 | 1 | 472.98750000 | | 4K00F1D |
| 1 | 1 | 472.98750000 | | 20K0F3E |
| 2 | 1 | 472.98750000 | | 11K2F3E |
| 2 | 1 | 472.98750000 | | 20K0F3E |
| 2 | 1 | 472.98750000 | | 4K00F1E |
| 2 | 1 | 472.98750000 | | 4K00F1D |
| 3 | 1 | 472.98750000 | | 20K0F3E |
| 3 | 1 | 472.98750000 | | 11K2F3E |
| 3 | 1 | 472.98750000 | | 4K00F1E |
| 3 | 1 | 472.98750000 | | 4K00F1D |
| 4 | 1 | 472.98750000 | | 20K0F3E |
| 4 | 1 | 472.98750000 | | 4K00F1D |
| 4 | 1 | 472.98750000 | | 4K00F1E |
| 4 | 1 | 472.98750000 | | 11K2F3E |
| 2 | 1 | 475.98750000 | | 4K00F1D |
| 2 | 1 | 475.98750000 | | 11K2F3E |
| 2 | 1 | 475.98750000 | | 20K0F3E |
| 2 | 1 | 475.98750000 | | 4K00F1E |
| 4 | 1 | 475.98750000 | | 20K0F3E |
| 4 | 1 | 475.98750000 | | 11K2F3E |
| 4 | 1 | 475.98750000 | | 4K00F1D |
| 4 | 1 | 475.98750000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 286 OLD BOSTON POST RD, TOPSFIELD, ESSEX, MA | 42.64091667, -70.94088889 | 70.000 m | | | N |
| 2 | T | | | | | | |
| 3 | | 94 LANE RD, DERRY, ROCKINGHAM, NH | 42.87888889, -71.27500000 | 155.400 m | TOWER | 59.400 m structure / 59.400 m overall | N |
| 4 | | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 41.000 m | | | | 87.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 59.000 m | | | | 125.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 9 REBEL ROAD, HUDSON, NH | HILLSBOROUGH | 6034210015 |
License history
| Date | File or call sign | Action |
|---|
| 2023-05-11 | WIL581 | LIREN |
| 2013-05-08 | WIL581 | LIREN |
| 2013-04-01 | WIL581 | LETRES |
| 2011-06-01 | WIL581 | LETCNS |
| 2010-08-26 | WIL581 | LIMOD |
| 2010-06-17 | WIL581 | LIASS |
| 2010-06-08 | WIL581 | ESCAPR |
| 2003-04-08 | WIL581 | LIREN |
| 2003-03-31 | WIL581 | LETRES |
| 2001-10-17 | WIL581 | AUDOPR |
| 2000-11-23 | WIL581 | LICCNV |
| 1998-04-10 | WIL581 | LIREN |
| 1998-04-10 | WIL581 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645280 | 2026-08-23 05:46:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIL581 | ULS 1645280 | 2026-08-23 05:46:08 |
| Status | A | ULS 1645280 | 2026-08-23 05:46:08 |
| Service | IG | ULS 1645280 | 2026-08-23 05:46:08 |
| Grant Date | 2023-05-11 | ULS 1645280 | 2026-08-23 05:46:08 |
| Expiration Date | 2033-06-23 | ULS 1645280 | 2026-08-23 05:46:08 |