Universal Licensing System
WRAK638
SentrySix Defense Group INC
License details
| ULS identifier | 3984317 |
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| Call sign | WRAK638 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2017-12-15 |
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| Expiration | 2027-12-15 |
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| Frequency range | 451.3 - 467.2 MHz (5 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 01:22:44 |
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Licensee
| Name | SentrySix Defense Group INC |
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| Applicant type | C |
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| FRN | 0026884114 |
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| Location | San Antonio, TX |
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| Address | 3201 Cherry Ridge Street, Suite B211-A, San Antonio, TX, 78230 |
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| Phone | 2104240309 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.30000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MO | 456.30000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MO | 458.00000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MO | 462.20000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MO | 467.20000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.30000000 | | 8K00F7W |
| 1 | 1 | 451.30000000 | | 4K00F7W |
| 1 | 1 | 456.30000000 | | 8K00F7W |
| 1 | 1 | 456.30000000 | | 4K00F7W |
| 1 | 1 | 458.00000000 | | 8K00F7W |
| 1 | 1 | 458.00000000 | | 4K00F7W |
| 1 | 1 | 462.20000000 | | 4K00F7W |
| 1 | 1 | 462.20000000 | | 8K00F7W |
| 1 | 1 | 467.20000000 | | 8K00F7W |
| 1 | 1 | 467.20000000 | | 4K00F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3201 Cherry Ridge Street, Suite B211-A, San Antonio, TX | BEXAR | 2104240309 |
License history
| Date | File or call sign | Action |
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| 2017-12-15 | WRAK638 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 3984317 | 2026-08-02 01:22:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRAK638 | ULS 3984317 | 2026-08-02 01:22:44 |
| Status | A | ULS 3984317 | 2026-08-02 01:22:44 |
| Service | IG | ULS 3984317 | 2026-08-02 01:22:44 |
| Grant Date | 2017-12-15 | ULS 3984317 | 2026-08-02 01:22:44 |
| Expiration Date | 2027-12-15 | ULS 3984317 | 2026-08-02 01:22:44 |