Universal Licensing System
WQXF636
Hillwood Security Services LLC
License details
| ULS identifier | 3782366 |
|---|---|
| Call sign | WQXF636 |
| Radio service | YG |
| Status | A |
| Grant date | 2026-05-15 |
| Expiration | 2036-02-22 |
| Frequency range | 451.3125 - 469.5125 MHz (23 frequencies) |
| Locations | 2 |
| Representative location | MCLEAN, FAIRFAX, VA |
| Coordinates | 38.9450278, -77.1628611 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:21:43 |
Licensee
| Name | Hillwood Security Services LLC |
|---|---|
| Applicant type | L |
| FRN | 0025275025 |
| Location | Dallas, TX |
| Address | 3000 TURTLE CREEK BLVD, Dallas, TX, 75219 |
| Phone | 2143033306 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 3 | 1 | FB2 | 451.31250000 | 100.000000 | 20.000000 | |||
| 4 | 1 | MO | 451.31250000 | 5.000000 | 5.000000 | |||
| 4 | 1 | MO | 456.31250000 | 5.000000 | 5.000000 | |||
| 8 | 1 | MOI | 461.03750000 | 5.000000 | 5.000000 | |||
| 9 | 1 | MOI | 461.11250000 | 5.000000 | 5.000000 | |||
| 5 | 1 | FB2 | 461.35000000 | 40.000000 | 100.000000 | |||
| 6 | 1 | MO | 461.35000000 | 5.000000 | 5.000000 | |||
| 7 | 1 | MO | 461.78750000 | 5.000000 | 5.000000 | |||
| 1 | 1 | FB2 | 462.11250000 | 100.000000 | 60.000000 | |||
| 2 | 1 | MO | 462.11250000 | 45.000000 | 45.000000 | |||
| 3 | 1 | FB2 | 462.35000000 | 100.000000 | 240.000000 | |||
| 4 | 1 | MO | 462.35000000 | 5.000000 | 5.000000 | |||
| 14 | 1 | FB2 | 463.25000000 | 40.000000 | 20.000000 | |||
| 15 | 1 | MO | 463.25000000 | 4.000000 | 30.000000 | |||
| 10 | 1 | FB2 | 463.45000000 | 40.000000 | 111.000000 | |||
| 11 | 1 | MO | 463.45000000 | 5.000000 | 5.000000 | |||
| 12 | 1 | FB2 | 463.88750000 | 40.000000 | 97.000000 | |||
| 13 | 1 | MO | 463.88750000 | 5.000000 | 5.000000 | |||
| 9 | 1 | MOI | 464.51250000 | 5.000000 | 5.000000 | |||
| 8 | 1 | MOI | 464.56250000 | 5.000000 | 5.000000 | |||
| 9 | 1 | MOI | 466.11250000 | 5.000000 | 5.000000 | |||
| 6 | 1 | MO | 466.35000000 | 5.000000 | 5.000000 | |||
| 7 | 1 | MO | 466.78750000 | 5.000000 | 5.000000 | |||
| 2 | 1 | MO | 467.11250000 | 45.000000 | 45.000000 | |||
| 4 | 1 | MO | 467.35000000 | 5.000000 | 5.000000 | |||
| 9 | 1 | MOI | 467.88750000 | 5.000000 | 5.000000 | |||
| 15 | 1 | MO | 468.25000000 | 4.000000 | 30.000000 | |||
| 11 | 1 | MO | 468.45000000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 468.88750000 | 5.000000 | 5.000000 | |||
| 9 | 1 | MOI | 469.51250000 | 5.000000 | 5.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 3 | 1 | 451.31250000 | 7K60FXE | |
| 4 | 1 | 451.31250000 | 7K60FXE | |
| 4 | 1 | 456.31250000 | 7K60FXE | |
| 8 | 1 | 461.03750000 | 7K60FXE | |
| 9 | 1 | 461.11250000 | 7K60FXE | |
| 5 | 1 | 461.35000000 | 7K60FXE | |
| 6 | 1 | 461.35000000 | 7K60FXE | |
| 7 | 1 | 461.78750000 | 7K60FXE | |
| 1 | 1 | 462.11250000 | 7K60FXE | |
| 2 | 1 | 462.11250000 | 7K60FXE | |
| 3 | 1 | 462.35000000 | 7K60FXE | |
| 4 | 1 | 462.35000000 | 7K60FXE | |
| 14 | 1 | 463.25000000 | 7K60FXE | |
| 15 | 1 | 463.25000000 | 7K60FXE | |
| 10 | 1 | 463.45000000 | 7K60FXE | |
| 11 | 1 | 463.45000000 | 7K60FXE | |
| 12 | 1 | 463.88750000 | 7K60FXE | |
| 13 | 1 | 463.88750000 | 7K60FXE | |
| 9 | 1 | 464.51250000 | 7K60FXE | |
| 8 | 1 | 464.56250000 | 7K60FXE | |
| 9 | 1 | 466.11250000 | 7K60FXE | |
| 6 | 1 | 466.35000000 | 7K60FXE | |
| 7 | 1 | 466.78750000 | 7K60FXE | |
| 2 | 1 | 467.11250000 | 7K60FXE | |
| 4 | 1 | 467.35000000 | 7K60FXE | |
| 9 | 1 | 467.88750000 | 7K60FXE | |
| 15 | 1 | 468.25000000 | 7K60FXE | |
| 11 | 1 | 468.45000000 | 7K60FXE | |
| 13 | 1 | 468.88750000 | 7K60FXE | |
| 9 | 1 | 469.51250000 | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 2451 Westlake Pkwy, Westlake, DENTON, TX | 32.98986111, -97.19388889 | 203.000 m | B | 11.000 m structure / 11.000 m overall | |
| 2 | T | ||||||
| 3 | T | 3000 Turtle Creek Blvd, Dallas, DALLAS, TX | 32.80397222, -96.80425000 | 132.000 m | BANT | 14.000 m structure / 17.000 m overall | N |
| 4 | T | N | |||||
| 5 | T | 10444 Strait Ln, Dallas, DALLAS, TX | 32.88855556, -96.82286111 | 166.200 m | BANT | 9.000 m structure / 12.000 m overall | N |
| 6 | T | N | |||||
| 7 | T | Dallas, DALLAS, TX | 32.88855556, -96.82286111 | N | |||
| 8 | T | TX | N | ||||
| 9 | T | N | |||||
| 10 | T | 2221 ALLIANCE BLVD, SUITE 100, FORT WORTH, TARRANT, TX | 32.98725000, -97.31397222 | 210.000 m | BPOLE | 11.000 m structure / 17.000 m overall | N |
| 11 | T | N | |||||
| 12 | T | 9800 HILLWOOD PARKWAY, SUITE 300, FORT WORTH, TARRANT, TX | 32.91886111, -97.31105556 | 237.000 m | POLE | 11.000 m structure / 15.000 m overall | N |
| 13 | T | N | |||||
| 14 | T | 1150 CHAIN BRIDGE BLVD, MCLEAN, FAIRFAX, VA | 38.94502778, -77.16286111 | 82.000 m | B | 6.100 m structure / 7.600 m overall | N |
| 15 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 11.000 m | 21.100 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 17.000 m | V | -5.000 | ||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 12.000 m | 19.100 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | |||||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | 17.000 m | 10.600 | |||||
| 1 | 11 | T | |||||||
| 1 | 12 | T | 15.000 m | 39.000 | |||||
| 1 | 13 | T | |||||||
| 1 | 14 | T | 7.600 m | 5.300 | |||||
| 1 | 15 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 2451 Westlake Pkwy, Westlake, TX | DENTON | 2143035535 |
| 2 | 3000 Turtle Creek Blvd, Dallas, TX | DALLAS | 2143033355 |
| 3 | 10444 Strait Lane, Dallas, TX | DALLAS | 2143033355 |
| 4 | 2221 ALLIANCE BLVD, SUITE 100, FORT WORTH, TX | DENTON | 8178901000 |
| 5 | 9800 HILLWOOD PARKWAY, SUITE 300, FORT WORTH, TX | TARRANT | 8172246000 |
| 6 | 1150 Chain Bridge Rd, MCLEAN, VA | FAIRFAX | 2143033306 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2026-05-15 | WQXF636 | LIREN |
| 2025-12-12 | WQXF636 | LIMOD |
| 2025-12-01 | WQXF636 | LETRES |
| 2021-03-02 | WQXF636 | LETCNS |
| 2020-06-02 | WQXF636 | LIMOD |
| 2019-03-27 | WQXF636 | LETCNS |
| 2018-05-18 | WQXF636 | LIMOD |
| 2016-12-21 | WQXF636 | LIMOD |
| 2016-11-22 | WQXF636 | LETCNS |
| 2016-02-22 | WQXF636 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 3782366 | 2026-08-02 01:21:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WQXF636 | ULS 3782366 | 2026-08-02 01:21:43 |
| Status | A | ULS 3782366 | 2026-08-02 01:21:43 |
| Service | YG | ULS 3782366 | 2026-08-02 01:21:43 |
| Grant Date | 2026-05-15 | ULS 3782366 | 2026-08-02 01:21:43 |
| Expiration Date | 2036-02-22 | ULS 3782366 | 2026-08-02 01:21:43 |