Universal Licensing System
KNBB829
SOUTHWESTERN LABORATORIES INC
License details
| ULS identifier | 1615157 |
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| Call sign | KNBB829 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-11-22 |
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| Expiration | 2002-01-21 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 469.225 MHz |
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| Locations | 3 |
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| Representative location | HOUSTON, HARRIS, TX |
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| Coordinates | 29.9105000, -95.4110556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:42 |
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Licensee
| Name | SOUTHWESTERN LABORATORIES INC |
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| Applicant type | C |
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| Location | HOUSTON, TX |
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| Address | HOUSTON, TX, 77009 |
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| Phone | 7136966258 |
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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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| 2 | 1 | FB | 464.22500000 | | | 90.000000 | | |
| 1 | 1 | FX1 | 469.22500000 | | | 15.000000 | | |
| 3 | 1 | MO | 469.22500000 | | | 90.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.22500000 | | 20K0F3E |
| 1 | 1 | 469.22500000 | | 20K0F3E |
| 3 | 1 | 469.22500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TX | | | | | |
| 2 | T | 606 MIDLAND, HOUSTON, HARRIS, TX | 29.91050000, -95.41105556 | 27.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 135.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 222 CALVALCADE, HOUSTON, TX | | 7136966258 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-05 | KNBB829 | LIEXP |
| 2001-11-02 | KNBB829 | LETAUS |
| 2001-10-29 | KNBB829 | LETRES |
| 2000-11-22 | KNBB829 | LICCNV |
| 1996-11-22 | KNBB829 | AUTHPR |
| 1996-11-22 | KNBB829 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1615157 | 2026-08-02 01:27:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNBB829 | ULS 1615157 | 2026-08-02 01:27:42 |
| Status | E | ULS 1615157 | 2026-08-02 01:27:42 |
| Service | IG | ULS 1615157 | 2026-08-02 01:27:42 |
| Grant Date | 1996-11-22 | ULS 1615157 | 2026-08-02 01:27:42 |
| Expiration Date | 2002-01-21 | ULS 1615157 | 2026-08-02 01:27:42 |
| Cancellation Date | 2002-05-05 | ULS 1615157 | 2026-08-02 01:27:42 |