Universal Licensing System
WPMI658
IBM Research and Development Inc.
License details
| ULS identifier | 1588381 |
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| Call sign | WPMI658 |
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| Radio service | GU |
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| Status | C |
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| Grant date | 2013-05-29 |
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| Expiration | 2023-08-05 |
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| Cancellation | 2022-02-01 |
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| Frequency range | 896.225 - 935.225 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | FARMERS BRANCH, DALLAS, TX |
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| Coordinates | 32.9102500, -96.9265278 |
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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 | 896.22500000 | | | 20.000000 | 20.000000 | |
| 1 | 1 | FB2 | 935.22500000 | | | 40.000000 | 30.000000 | |
| 2 | 1 | FB2 | 935.22500000 | | | 75.000000 | 53.000000 | |
| 3 | 1 | MO | 935.22500000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 896.22500000 | | 13K6F3E |
| 1 | 1 | 935.22500000 | | 13K6F3E |
| 2 | 1 | 935.22500000 | | 13K6F3E |
| 3 | 1 | 935.22500000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1507 W LBJ FWY, FARMERS BRANCH, DALLAS, TX | 32.91025000, -96.92652778 | 133.000 m | BPOLE | 38.000 m structure / 38.000 m overall | N |
| 2 | T | 8 W KIRKWOOD BLVD, ROANOKE, TARRANT, TX | 32.98405556, -97.17583333 | 190.000 m | BPOLE | 25.000 m structure / 30.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 34.000 m | | | | 5.800 | |
| 1 | 2 | T | | 27.000 m | | | | 19.900 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1507 W LBJ FWY, FARMERS BRANCH, TX | DALLAS | 9724067577 |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-02 | WPMI658 | LICAN |
| 2013-05-29 | WPMI658 | LIREN |
| 2013-05-13 | WPMI658 | LETRES |
| 2008-08-16 | WPMI658 | LIAUA |
| 2008-08-15 | WPMI658 | ESUAPR |
| 2007-03-07 | WPMI658 | LIAUA |
| 2007-03-06 | WPMI658 | ESUAPR |
| 2003-05-17 | WPMI658 | LIREN |
| 2003-05-17 | WPMI658 | LIAUA |
| 2003-05-12 | WPMI658 | LETRES |
| 2002-12-17 | WPMI658 | LIMOD |
| 2002-03-07 | WPMI658 | LIAUA |
| 2000-11-22 | WPMI658 | LICCNV |
| 2000-07-07 | WPMI658 | AUTHPR |
| 1998-08-05 | WPMI658 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1588381 | 2026-08-02 01:13:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMI658 | ULS 1588381 | 2026-08-02 01:13:46 |
| Status | C | ULS 1588381 | 2026-08-02 01:13:46 |
| Service | GU | ULS 1588381 | 2026-08-02 01:13:46 |
| Grant Date | 2013-05-29 | ULS 1588381 | 2026-08-02 01:13:46 |
| Expiration Date | 2023-08-05 | ULS 1588381 | 2026-08-02 01:13:46 |
| Cancellation Date | 2022-02-01 | ULS 1588381 | 2026-08-02 01:13:46 |