Universal Licensing System
WSDE266
Holder Construction Company
License details
| ULS identifier | 4960488 |
|---|
| Call sign | WSDE266 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2024-06-03 |
|---|
| Expiration | 2034-06-03 |
|---|
| Frequency range | 452.0375 - 457.6625 MHz (14 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | ASHBURN, LOUDOUN, VA |
|---|
| Coordinates | 39.0121944, -77.4621944 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:24:02 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.46250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.11250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 452.33750000 | | | 40.000000 | 25.000000 | |
| 3 | 1 | MO | 452.33750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.66250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.46250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.11250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.33750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.66250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.36250000 | | 7K60FXE |
| 1 | 1 | 451.46250000 | | 7K60FXE |
| 1 | 1 | 451.68750000 | | 7K60FXE |
| 1 | 1 | 452.03750000 | | 7K60FXE |
| 1 | 1 | 452.06250000 | | 7K60FXE |
| 1 | 1 | 452.11250000 | | 7K60FXE |
| 2 | 1 | 452.33750000 | | 7K60FXE |
| 3 | 1 | 452.33750000 | | 7K60FXE |
| 1 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 452.66250000 | | 7K60FXE |
| 1 | 1 | 456.46250000 | | 7K60FXE |
| 1 | 1 | 456.68750000 | | 7K60FXE |
| 1 | 1 | 457.03750000 | | 7K60FXE |
| 1 | 1 | 457.06250000 | | 7K60FXE |
| 1 | 1 | 457.11250000 | | 7K60FXE |
| 3 | 1 | 457.33750000 | | 7K60FXE |
| 1 | 1 | 457.63750000 | | 7K60FXE |
| 1 | 1 | 457.66250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ASHBURN, LOUDOUN, VA | 39.01219444, -77.46219444 | | | | |
| 2 | T | 44621 WAXPOOL RD, ASHBURN, LOUDOUN, VA | 39.01219444, -77.46219444 | 75.000 m | B | 4.500 m structure / 5.100 m overall | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 5.100 m | | | | -13.800 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 44621 WAXPOOL RD, ASHBURN, VA | LOUDOUN | 7035868439 |
License history
| Date | File or call sign | Action |
|---|
| 2025-04-01 | WSDE266 | LETCNS |
| 2025-03-04 | WSDE266 | LETCNS |
| 2024-07-02 | WSDE266 | LIMOD |
| 2024-06-03 | WSDE266 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4960488 | 2026-08-02 01:24:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSDE266 | ULS 4960488 | 2026-08-02 01:24:02 |
| Status | A | ULS 4960488 | 2026-08-02 01:24:02 |
| Service | IG | ULS 4960488 | 2026-08-02 01:24:02 |
| Grant Date | 2024-06-03 | ULS 4960488 | 2026-08-02 01:24:02 |
| Expiration Date | 2034-06-03 | ULS 4960488 | 2026-08-02 01:24:02 |