Universal Licensing System
WPPB573
CONSTRUCTIONS DYNAMICS GROUP INC
License details
| ULS identifier | 1815755 |
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| Call sign | WPPB573 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-10-06 |
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| Expiration | 2004-10-06 |
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| Cancellation | 2004-12-11 |
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| Frequency range | 451.975 MHz |
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| Locations | 2 |
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| Representative location | WASHINGTON, DC |
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| Coordinates | 38.8373333, -77.0096944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:58 |
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Licensee
| Name | CONSTRUCTIONS DYNAMICS GROUP INC |
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| Applicant type | C |
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| Location | WASHINGTON, DC |
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| Address | 500 OVERLOOK AVE SW/DC WAFA, WASHINGTON, DC, 20032 |
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| Phone | 2025626800 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 451.97500000 | | | 40.000000 | 75.000000 | |
| 2 | 1 | MO | 451.97500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.97500000 | | 20K0F3E |
| 2 | 1 | 451.97500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 500 OVERLOOK AVE. SW, WASHINGTON, DC | 38.83733333, -77.00969444 | 19.000 m | B | 5.000 m structure / 6.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | -20.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 500 OVERLOOK AVE. SW, WASHINGTON, DC | | 2055626800 |
License history
| Date | File or call sign | Action |
|---|
| 2004-12-11 | WPPB573 | LIEXP |
| 2004-07-12 | WPPB573 | LETRES |
| 2001-09-19 | WPPB573 | AUDOPR |
| 2000-11-23 | WPPB573 | LICCNV |
| 1999-10-06 | WPPB573 | AUTHPR |
| 1999-10-06 | WPPB573 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1815755 | 2026-08-02 01:26:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPB573 | ULS 1815755 | 2026-08-02 01:26:58 |
| Status | E | ULS 1815755 | 2026-08-02 01:26:58 |
| Service | IG | ULS 1815755 | 2026-08-02 01:26:58 |
| Grant Date | 1999-10-06 | ULS 1815755 | 2026-08-02 01:26:58 |
| Expiration Date | 2004-10-06 | ULS 1815755 | 2026-08-02 01:26:58 |
| Cancellation Date | 2004-12-11 | ULS 1815755 | 2026-08-02 01:26:58 |