Universal Licensing System
WIJ634
UNKLES, DAVID F
License details
| ULS identifier | 1644956 |
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| Call sign | WIJ634 |
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| Radio service | YG |
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| Status | A |
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| Grant date | 2025-02-19 |
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| Expiration | 2035-02-28 |
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| Frequency range | 472.9125 - 475.9125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WALTHAM, MIDDLESEX, MA |
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| Coordinates | 42.3889722, -71.2520000 |
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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 F |
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| 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 |
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| 1 | 1 | FB6 | 472.91250000 | | | 110.000000 | 400.000000 | |
| 2 | 1 | MO | 475.91250000 | | | 65.000000 | 65.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.91250000 | | 20K0F3E |
| 2 | 1 | 475.91250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PROSPECT HILL, WALTHAM, MIDDLESEX, MA | 42.38897222, -71.25200000 | 127.000 m | | 85.000 m structure / 85.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 92.000 m | | | | 174.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 127 TREADWAY LN, LONDONDERRY, NH | | 6034342281 |
License history
| Date | File or call sign | Action |
|---|
| 2025-02-19 | WIJ634 | LIREN |
| 2024-12-02 | WIJ634 | LETRES |
| 2015-02-03 | WIJ634 | LIREN |
| 2014-12-08 | WIJ634 | LETRES |
| 2005-02-25 | WIJ634 | LTSFRN |
| 2005-02-25 | WIJ634 | LIREN |
| 2005-02-25 | WIJ634 | LTSAPR |
| 2004-12-06 | WIJ634 | LETRES |
| 2002-01-30 | WIJ634 | AUDOPR |
| 2001-02-27 | WIJ634 | INTDUP |
| 2001-02-27 | WIJ634 | COR |
| 2001-02-27 | WIJ634 | AUTHPR |
| 2000-11-23 | WIJ634 | LICCNV |
| 2000-03-03 | WIJ634 | AUTHPR |
| 2000-03-03 | WIJ634 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1644956 | 2026-08-23 05:46:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIJ634 | ULS 1644956 | 2026-08-23 05:46:08 |
| Status | A | ULS 1644956 | 2026-08-23 05:46:08 |
| Service | YG | ULS 1644956 | 2026-08-23 05:46:08 |
| Grant Date | 2025-02-19 | ULS 1644956 | 2026-08-23 05:46:08 |
| Expiration Date | 2035-02-28 | ULS 1644956 | 2026-08-23 05:46:08 |