Universal Licensing System
KB87835
IBM Research and Development Inc.
License details
| ULS identifier | 1597913 |
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| Call sign | KB87835 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2012-07-13 |
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| Expiration | 2022-09-16 |
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| Cancellation | 2022-02-01 |
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| Frequency range | 469.9125 MHz |
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| Locations | 1 |
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| Representative location | COLLIN, TX |
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| Coordinates | 32.7859722, -96.7938889 |
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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 | MO | 469.91250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 469.91250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | COLLIN, TX | 32.78597222, -96.79388889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1503 LBJ FWY, DALLAS, TX | DALLAS | 9724067647 |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-02 | KB87835 | LICAN |
| 2020-04-29 | KB87835 | LIAUA |
| 2014-07-08 | KB87835 | LIMOD |
| 2014-07-05 | KB87835 | ESUAPR |
| 2012-10-25 | KB87835 | LIMOD |
| 2012-07-26 | KB87835 | ESUAPR |
| 2012-07-13 | KB87835 | LIREN |
| 2012-06-25 | KB87835 | LETRES |
| 2008-08-16 | KB87835 | LIAUA |
| 2008-08-15 | KB87835 | ESUAPR |
| 2007-03-07 | KB87835 | LIAUA |
| 2007-03-06 | KB87835 | ESUAPR |
| 2002-07-25 | KB87835 | LIREN |
| 2002-06-24 | KB87835 | LETRES |
| 2002-03-07 | KB87835 | LIAUA |
| 2002-01-28 | KB87835 | AUDOPR |
| 2000-11-22 | KB87835 | LICCNV |
| 2000-07-07 | KB87835 | AUTHPR |
| 1997-10-20 | KB87835 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1597913 | 2026-08-02 01:13:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KB87835 | ULS 1597913 | 2026-08-02 01:13:46 |
| Status | C | ULS 1597913 | 2026-08-02 01:13:46 |
| Service | IG | ULS 1597913 | 2026-08-02 01:13:46 |
| Grant Date | 2012-07-13 | ULS 1597913 | 2026-08-02 01:13:46 |
| Expiration Date | 2022-09-16 | ULS 1597913 | 2026-08-02 01:13:46 |
| Cancellation Date | 2022-02-01 | ULS 1597913 | 2026-08-02 01:13:46 |