Universal Licensing System
WPMI709
UNITED AIRLINES, INC.
License details
| ULS identifier | 1795188 |
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| Call sign | WPMI709 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1998-08-05 |
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| Expiration | 2003-08-05 |
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| Cancellation | 2003-06-17 |
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| Frequency range | 451.475 - 457.875 MHz (10 frequencies) |
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| Locations | 2 |
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| Representative location | SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6199444, -122.3874722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:37 |
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Licensee
| Name | UNITED AIRLINES, INC. |
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| Applicant type | C |
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| FRN | 0002850832 |
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| Location | ROCKVILLE, MD |
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| Address | ROCKVILLE, MD, 208480827 |
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| Phone | 8477004560 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.47500000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 451.47500000 | | | 10.000000 | | |
| 1 | 1 | FB2 | 452.30000000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 452.30000000 | | | 10.000000 | | |
| 1 | 1 | FB2 | 452.80000000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 452.80000000 | | | 10.000000 | | |
| 1 | 1 | FB2 | 452.82500000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 452.82500000 | | | 10.000000 | | |
| 1 | 1 | FB2 | 452.87500000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 452.87500000 | | | 10.000000 | | |
| 2 | 1 | MO | 456.47500000 | | | 10.000000 | | |
| 2 | 1 | MO | 457.30000000 | | | 10.000000 | | |
| 2 | 1 | MO | 457.80000000 | | | 10.000000 | | |
| 2 | 1 | MO | 457.82500000 | | | 10.000000 | | |
| 2 | 1 | MO | 457.87500000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.47500000 | | 20K0F3E |
| 2 | 1 | 451.47500000 | | 20K0F3E |
| 1 | 1 | 452.30000000 | | 20K0F3E |
| 2 | 1 | 452.30000000 | | 20K0F3E |
| 1 | 1 | 452.80000000 | | 20K0F3E |
| 2 | 1 | 452.80000000 | | 20K0F3E |
| 1 | 1 | 452.82500000 | | 20K0F3E |
| 2 | 1 | 452.82500000 | | 20K0F3E |
| 1 | 1 | 452.87500000 | | 20K0F3E |
| 2 | 1 | 452.87500000 | | 20K0F3E |
| 2 | 1 | 456.47500000 | | 20K0F3E |
| 2 | 1 | 457.30000000 | | 20K0F3E |
| 2 | 1 | 457.80000000 | | 20K0F3E |
| 2 | 1 | 457.82500000 | | 20K0F3E |
| 2 | 1 | 457.87500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SAN FRANCISCO INTL AIRPORT, SAN FRANCISCO, SAN MATEO, CA | 37.61994444, -122.38747222 | 4.000 m | B | 12.000 m structure / 16.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | -45.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | SAN FRANCISCO AIRPORT UAL OPERATIONS, SAN FRANCISCO, CA | | 6506341301 |
License history
| Date | File or call sign | Action |
|---|
| 2003-06-17 | WPMI709 | LITERM |
| 2003-05-12 | WPMI709 | LETRES |
| 2002-01-28 | WPMI709 | AUDCAN |
| 2001-10-20 | WPMI709 | LIAUA |
| 2001-10-05 | WPMI709 | LIAUA |
| 2000-11-23 | WPMI709 | LICCNV |
| 1998-08-05 | WPMI709 | AUTHPR |
| 1998-08-05 | WPMI709 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1795188 | 2026-08-02 01:11:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMI709 | ULS 1795188 | 2026-08-02 01:11:37 |
| Status | T | ULS 1795188 | 2026-08-02 01:11:37 |
| Service | IG | ULS 1795188 | 2026-08-02 01:11:37 |
| Grant Date | 1998-08-05 | ULS 1795188 | 2026-08-02 01:11:37 |
| Expiration Date | 2003-08-05 | ULS 1795188 | 2026-08-02 01:11:37 |
| Cancellation Date | 2003-06-17 | ULS 1795188 | 2026-08-02 01:11:37 |