Universal Licensing System
WQDD447
United Airlines, Inc.
License details
| ULS identifier | 2737047 |
|---|
| Call sign | WQDD447 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-07-08 |
|---|
| Expiration | 2035-07-28 |
|---|
| Frequency range | 461.675 - 468.75 MHz (4 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | HOUSTON, HARRIS, TX |
|---|
| Coordinates | 29.9857778, -95.3382778 |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.67500000 | | | 20.000000 | 35.000000 | |
| 1 | 1 | FB2 | 463.75000000 | | | 20.000000 | 35.000000 | |
| 2 | 1 | MO | 466.67500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 468.75000000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.67500000 | | 11K2F3E |
| 1 | 1 | 463.75000000 | | 11K2F3E |
| 2 | 1 | 466.67500000 | | 11K2F3E |
| 2 | 1 | 468.75000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BUSH INTERCONTINENTAL ARPRT IAH Express MX., HOUSTON, HARRIS, TX | 29.98577778, -95.33827778 | 29.000 m | B | 11.000 m structure / 14.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 14.000 m | | | | 14.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | GEORGE BUSH INT. AIRPORT CONTINENTAL EXPRESS MAINTAINCE, HOUSTON, TX | HARRIS | 2815534821 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-08 | WQDD447 | LIREN |
| 2025-05-05 | WQDD447 | LETRES |
| 2015-05-02 | WQDD447 | LIREN |
| 2014-03-12 | WQDD447 | LIMOD |
| 2014-03-11 | WQDD447 | ESUAPR |
| 2013-09-20 | WQDD447 | LIAUA |
| 2013-09-19 | WQDD447 | ESUAPR |
| 2013-04-30 | WQDD447 | LIAUA |
| 2013-04-29 | WQDD447 | ESUAPR |
| 2010-12-13 | WQDD447 | LIMOD |
| 2010-10-01 | WQDD447 | LITRAN |
| 2010-09-03 | WQDD447 | ESUAPR |
| 2007-09-08 | WQDD447 | LIAUA |
| 2007-09-07 | WQDD447 | ESUAPR |
| 2007-08-29 | WQDD447 | LIAUA |
| 2007-08-27 | WQDD447 | ESUAPR |
| 2006-05-01 | WQDD447 | LETCNS |
| 2005-09-07 | WQDD447 | LIMOD |
| 2005-07-28 | WQDD447 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2737047 | 2026-08-02 01:13:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDD447 | ULS 2737047 | 2026-08-02 01:13:03 |
| Status | A | ULS 2737047 | 2026-08-02 01:13:03 |
| Service | IG | ULS 2737047 | 2026-08-02 01:13:03 |
| Grant Date | 2025-07-08 | ULS 2737047 | 2026-08-02 01:13:03 |
| Expiration Date | 2035-07-28 | ULS 2737047 | 2026-08-02 01:13:03 |