Universal Licensing System
WPMQ402
QUADRANGLE DEVELOPMENT CORP
License details
| ULS identifier | 1798676 |
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| Call sign | WPMQ402 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-11-04 |
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| Expiration | 2003-11-04 |
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| Cancellation | 2004-01-04 |
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| Frequency range | 452.225 - 457.225 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WASHINGTON, DC |
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| Coordinates | 38.9003889, -77.0427500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:47 |
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Licensee
| Name | QUADRANGLE DEVELOPMENT CORP |
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| Applicant type | C |
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| Location | WASHINGTON, DC |
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| Address | 900 17TH ST NW, WASHINGTON, DC, 20001 |
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| Phone | 2023937378 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.22500000 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 452.22500000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 457.22500000 | | | 25.000000 | | |
| 3 | 1 | MO | 457.22500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.22500000 | | 20K0F3E |
| 3 | 1 | 452.22500000 | | 20K0F3E |
| 2 | 1 | 457.22500000 | | 20K0F3E |
| 3 | 1 | 457.22500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 900 17TH ST NW, WASHINGTON, DC | 38.90038889, -77.04275000 | 23.000 m | B | 23.000 m structure / 23.000 m overall | N |
| 2 | T | DC | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | 25.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 900 17TH ST NW, WASHINGTON, DC | | 2023937378 |
License history
| Date | File or call sign | Action |
|---|
| 2004-01-04 | WPMQ402 | LIEXP |
| 2003-08-11 | WPMQ402 | LETRES |
| 2001-10-29 | WPMQ402 | AUDOPR |
| 2000-11-23 | WPMQ402 | LICCNV |
| 1998-11-04 | WPMQ402 | LIISS |
| 1998-11-04 | WPMQ402 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1798676 | 2026-08-02 01:26:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMQ402 | ULS 1798676 | 2026-08-02 01:26:47 |
| Status | E | ULS 1798676 | 2026-08-02 01:26:47 |
| Service | IG | ULS 1798676 | 2026-08-02 01:26:47 |
| Grant Date | 1998-11-04 | ULS 1798676 | 2026-08-02 01:26:47 |
| Expiration Date | 2003-11-04 | ULS 1798676 | 2026-08-02 01:26:47 |
| Cancellation Date | 2004-01-04 | ULS 1798676 | 2026-08-02 01:26:47 |