Universal Licensing System
KB90750
UNDERWRITERS LABORATORIES INC
License details
| ULS identifier | 1598644 |
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| Call sign | KB90750 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-05-08 |
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| Expiration | 2002-07-14 |
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| Cancellation | 2002-11-17 |
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| Frequency range | 462.7625 - 469.825 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | RESEARCH TRIANGLE PK, DURHAM, NC |
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| Coordinates | 35.8973611, -78.8580556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:55 |
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Licensee
| Name | UNDERWRITERS LABORATORIES INC |
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| Applicant type | C |
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| FRN | 0005261847 |
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| Location | RESEARCH TRIANGLE PK, NC |
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| Address | RESEARCH TRIANGLE PK, NC, 27709 |
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| Phone | 9195491745 |
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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 | MO | 462.76250000 | | | 2.000000 | | |
| 1 | 1 | FB2 | 464.82500000 | | | 70.000000 | 140.000000 | |
| 2 | 1 | MO | 467.76250000 | | | 2.000000 | | |
| 2 | 1 | MO | 469.82500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 462.76250000 | | 20K0F3E |
| 1 | 1 | 464.82500000 | | 20K0F3E |
| 2 | 1 | 467.76250000 | | 20K0F3E |
| 2 | 1 | 469.82500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 12 LABORATORY DR, RESEARCH TRIANGLE PK, DURHAM, NC | 35.89736111, -78.85805556 | 101.000 m | | 4.000 m structure / 4.000 m overall | N |
| 2 | T | DURHAM, NC | 35.89736111, -78.85805556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 21.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12 LABORATORY DR RESEARCH TRIANGLE, PARK, NC | | 9195491745 |
License history
| Date | File or call sign | Action |
|---|
| 2002-11-17 | KB90750 | LIEXP |
| 2002-04-22 | KB90750 | LETRES |
| 2001-12-04 | KB90750 | AUDOPR |
| 2000-11-22 | KB90750 | LICCNV |
| 1997-05-08 | KB90750 | LIREN |
| 1997-05-08 | KB90750 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1598644 | 2026-08-02 01:10:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KB90750 | ULS 1598644 | 2026-08-02 01:10:55 |
| Status | E | ULS 1598644 | 2026-08-02 01:10:55 |
| Service | IG | ULS 1598644 | 2026-08-02 01:10:55 |
| Grant Date | 1997-05-08 | ULS 1598644 | 2026-08-02 01:10:55 |
| Expiration Date | 2002-07-14 | ULS 1598644 | 2026-08-02 01:10:55 |
| Cancellation Date | 2002-11-17 | ULS 1598644 | 2026-08-02 01:10:55 |