Universal Licensing System
WPRS270
IBM Research and Development Inc.
License details
| ULS identifier | 1938404 |
|---|
| Call sign | WPRS270 |
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| Radio service | GU |
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| Status | A |
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| Grant date | 2021-01-08 |
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| Expiration | 2031-01-09 |
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| Frequency range | 897.25 - 939.175 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | ARMONK, WESTCHESTER, NY |
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| Coordinates | 41.1078611, -73.7198611 |
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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 |
|---|
| 3 | 1 | MO | 897.25000000 | | | 10.000000 | 20.000000 | |
| 3 | 1 | MO | 900.17500000 | | | 10.000000 | 20.000000 | |
| 1 | 1 | FB | 936.25000000 | | | 21.000000 | 20.000000 | |
| 3 | 1 | MO | 936.25000000 | | | 10.000000 | 20.000000 | |
| 2 | 1 | FB | 939.17500000 | | | 21.000000 | 20.000000 | |
| 3 | 1 | MO | 939.17500000 | | | 10.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 897.25000000 | | 13K6F3E |
| 3 | 1 | 900.17500000 | | 13K6F3E |
| 1 | 1 | 936.25000000 | | 13K6F3E |
| 3 | 1 | 936.25000000 | | 13K6F3E |
| 2 | 1 | 939.17500000 | | 13K6F3E |
| 3 | 1 | 939.17500000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | NEW ORCHARD RD, ARMONK, WESTCHESTER, NY | 41.10786111, -73.71986111 | 159.000 m | B | 14.000 m structure / 20.000 m overall | |
| 2 | T | NEW ORCHARD RD, ARMONK, WESTCHESTER, NY | 41.10813889, -73.72375000 | 163.000 m | B | 4.000 m structure / 10.000 m overall | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.000 m | | | | 77.000 | |
| 1 | 2 | T | | 10.000 m | | | | 74.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2070 RT 52, HOPEWELL JUNCTION, NY | | 9148944049 |
License history
| Date | File or call sign | Action |
|---|
| 2021-01-08 | WPRS270 | LIREN |
| 2020-10-19 | WPRS270 | LETRES |
| 2011-03-24 | WPRS270 | AUTHPR |
| 2010-11-13 | WPRS270 | LIREN |
| 2010-10-18 | WPRS270 | LETRES |
| 2008-08-16 | WPRS270 | LIAUA |
| 2008-08-15 | WPRS270 | ESUAPR |
| 2007-03-07 | WPRS270 | LIAUA |
| 2007-03-06 | WPRS270 | ESUAPR |
| 2002-03-07 | WPRS270 | LIAUA |
| 2001-01-09 | WPRS270 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1938404 | 2026-08-02 01:13:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRS270 | ULS 1938404 | 2026-08-02 01:13:46 |
| Status | A | ULS 1938404 | 2026-08-02 01:13:46 |
| Service | GU | ULS 1938404 | 2026-08-02 01:13:46 |
| Grant Date | 2021-01-08 | ULS 1938404 | 2026-08-02 01:13:46 |
| Expiration Date | 2031-01-09 | ULS 1938404 | 2026-08-02 01:13:46 |