Universal Licensing System
WPLY557
IBM Research and Development Inc.
License details
| ULS identifier | 1789749 |
|---|
| Call sign | WPLY557 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-01-30 |
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| Expiration | 2023-04-15 |
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| Cancellation | 2023-07-15 |
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| Frequency range | 451.175 - 467.45 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | HAWTHORNE, WESTCHESTER, NY |
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| Coordinates | 41.0900833, -73.8170833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:46 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.17500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 451.17500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 456.17500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB2 | 462.45000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 462.45000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 467.45000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.17500000 | | 11K2F3E |
| 2 | 1 | 451.17500000 | | 11K2F3E |
| 2 | 1 | 456.17500000 | | 11K2F3E |
| 1 | 1 | 462.45000000 | | 11K2F3E |
| 2 | 1 | 462.45000000 | | 11K2F3E |
| 2 | 1 | 467.45000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 30 OLD MILL RIVER ROAD, HAWTHORNE, WESTCHESTER, NY | 41.09008333, -73.81708333 | 89.000 m | BANT | 9.000 m structure / 12.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 19.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 30 OLD MILL RIVER ROAD, HAWTHORNE, NY | WESTCHESTER | 9149451790 |
License history
| Date | File or call sign | Action |
|---|
| 2023-07-15 | WPLY557 | LIEXP |
| 2023-01-23 | WPLY557 | LETRES |
| 2020-04-29 | WPLY557 | LIAUA |
| 2014-07-08 | WPLY557 | LIMOD |
| 2014-07-07 | WPLY557 | ESUAPR |
| 2013-01-30 | WPLY557 | LIREN |
| 2013-01-21 | WPLY557 | LETRES |
| 2012-12-13 | WPLY557 | LIMOD |
| 2008-08-16 | WPLY557 | LIAUA |
| 2008-08-15 | WPLY557 | ESUAPR |
| 2007-03-07 | WPLY557 | LIAUA |
| 2007-03-06 | WPLY557 | ESUAPR |
| 2003-01-22 | WPLY557 | LIREN |
| 2003-01-21 | WPLY557 | LETRES |
| 2002-08-24 | WPLY557 | LIAUA |
| 2002-08-19 | WPLY557 | LIMOD |
| 2002-03-07 | WPLY557 | LIAUA |
| 2002-01-28 | WPLY557 | AUDOPR |
| 2000-11-23 | WPLY557 | LICCNV |
| 2000-07-07 | WPLY557 | AUTHPR |
| 1998-04-15 | WPLY557 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1789749 | 2026-08-02 01:13:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPLY557 | ULS 1789749 | 2026-08-02 01:13:46 |
| Status | E | ULS 1789749 | 2026-08-02 01:13:46 |
| Service | IG | ULS 1789749 | 2026-08-02 01:13:46 |
| Grant Date | 2013-01-30 | ULS 1789749 | 2026-08-02 01:13:46 |
| Expiration Date | 2023-04-15 | ULS 1789749 | 2026-08-02 01:13:46 |
| Cancellation Date | 2023-07-15 | ULS 1789749 | 2026-08-02 01:13:46 |