Universal Licensing System
WPSD878
VANGUARD RESEARCH INC
License details
| ULS identifier | 1955644 |
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| Call sign | WPSD878 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-03-22 |
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| Expiration | 2011-03-22 |
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| Cancellation | 2011-05-28 |
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| Frequency range | 451.8125 - 456.8125 MHz (2 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:25 |
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Licensee
| Name | VANGUARD RESEARCH INC |
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| Applicant type | C |
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| FRN | 0004651295 |
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| Location | LORTON, VA |
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| Address | 838C TERMINAL RD, LORTON, VA, 22074 |
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| Phone | 7033396222 |
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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 | MOI | 451.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 456.81250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.81250000 | | 11K2F3E |
| 1 | 1 | 456.81250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 8384 C TERMINAL RD, LORTON, VA | FAIRFAX | 7033396222 |
License history
| Date | File or call sign | Action |
|---|
| 2011-05-28 | WPSD878 | LIEXP |
| 2010-12-27 | WPSD878 | LETRES |
| 2001-03-22 | WPSD878 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1955644 | 2026-08-02 01:14:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPSD878 | ULS 1955644 | 2026-08-02 01:14:25 |
| Status | E | ULS 1955644 | 2026-08-02 01:14:25 |
| Service | IG | ULS 1955644 | 2026-08-02 01:14:25 |
| Grant Date | 2001-03-22 | ULS 1955644 | 2026-08-02 01:14:25 |
| Expiration Date | 2011-03-22 | ULS 1955644 | 2026-08-02 01:14:25 |
| Cancellation Date | 2011-05-28 | ULS 1955644 | 2026-08-02 01:14:25 |