Universal Licensing System
WRKK525
Wiline Spectrum Holdings LLC
License details
| ULS identifier | 4374659 |
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| Call sign | WRKK525 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2021-01-14 |
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| Expiration | 2031-01-14 |
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| Cancellation | 2025-01-06 |
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| Frequency range | 10775 MHz |
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| Locations | 2 |
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| Representative location | HAYWARD, ALAMEDA, CA |
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| Coordinates | 37.6324722, -122.1340278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10775.00000000 | | | | | |
| 1 | 1 | FXO | 10775.00000000 | | | | | |
| 1 | 1 | FXO | 10775.00000000 | | | | | |
| 1 | 1 | FXO | 10775.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
| 1 | 1 | 10775.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3670-3684 ENTERPRISE AVE, HAYWARD, ALAMEDA, CA | 37.63247222, -122.13402778 | 2.500 m | B | 10.400 m structure / 10.900 m overall | |
| 2 | R | | 37.48400000, -122.26491667 | 46.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC3-W100A | | V | 38.3000 | 215.1000 | | |
| 1 | 2 | R | RFS SC3-W100A | | | 38.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-08 | WRKK525 | LICAN |
| 2022-04-12 | WRKK525 | LETCNS |
| 2021-01-14 | WRKK525 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4374659 | 2026-08-02 02:46:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKK525 | ULS 4374659 | 2026-08-02 02:46:12 |
| Status | C | ULS 4374659 | 2026-08-02 02:46:12 |
| Service | CF | ULS 4374659 | 2026-08-02 02:46:12 |
| Grant Date | 2021-01-14 | ULS 4374659 | 2026-08-02 02:46:12 |
| Expiration Date | 2031-01-14 | ULS 4374659 | 2026-08-02 02:46:12 |
| Cancellation Date | 2025-01-06 | ULS 4374659 | 2026-08-02 02:46:12 |