Universal Licensing System
WPMI252
MIDWEST EXPRESS AIRLINES INC
License details
| ULS identifier | 1794911 |
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| Call sign | WPMI252 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-08-15 |
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| Expiration | 2013-08-03 |
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| Cancellation | 2013-10-05 |
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| Frequency range | 451.9 - 456.9 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WASHINGTON, DC |
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| Coordinates | 38.8501111, -77.0413611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:54 |
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Licensee
| Name | MIDWEST EXPRESS AIRLINES INC |
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| Applicant type | C |
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| FRN | 0007219637 |
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| Location | WASHINGTON, DC |
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| Address | WASHINGTON NATIONAL AIRPORT, WASHINGTON, DC, 20001 |
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| Phone | 7034192077 |
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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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| 1 | 1 | FB2 | 451.90000000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | MO | 451.90000000 | | | 4.000000 | | |
| 2 | 1 | MO | 456.90000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.90000000 | | 20K0F3E |
| 2 | 1 | 451.90000000 | | 20K0F3E |
| 2 | 1 | 456.90000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WASHINGTON NATIONAL AIRPORT, WASHINGTON, DC | 38.85011111, -77.04136111 | 305.000 m | B | 4.000 m structure / 4.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 4.000 m | | | | 261.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | WASHINGTON NATIONAL AIRPORT, WASHINGTON, DC | | 7034192077 |
License history
| Date | File or call sign | Action |
|---|
| 2013-10-05 | WPMI252 | LIEXP |
| 2013-05-13 | WPMI252 | LETRES |
| 2003-08-15 | WPMI252 | LIREN |
| 2003-05-12 | WPMI252 | LETRES |
| 2001-11-13 | WPMI252 | AUDOPR |
| 2000-11-23 | WPMI252 | LICCNV |
| 1998-08-03 | WPMI252 | LIISS |
| 1998-08-03 | WPMI252 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1794911 | 2026-08-02 01:24:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMI252 | ULS 1794911 | 2026-08-02 01:24:54 |
| Status | E | ULS 1794911 | 2026-08-02 01:24:54 |
| Service | IG | ULS 1794911 | 2026-08-02 01:24:54 |
| Grant Date | 2003-08-15 | ULS 1794911 | 2026-08-02 01:24:54 |
| Expiration Date | 2013-08-03 | ULS 1794911 | 2026-08-02 01:24:54 |
| Cancellation Date | 2013-10-05 | ULS 1794911 | 2026-08-02 01:24:54 |