Universal Licensing System
WRDM421
Wiline Spectrum Holdings LLC
License details
| ULS identifier | 4166843 |
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| Call sign | WRDM421 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2019-06-04 |
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| Expiration | 2029-06-04 |
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| Cancellation | 2025-01-06 |
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| Frequency range | 17915 MHz |
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| Locations | 2 |
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| Representative location | San Jose, SANTA CLARA, CA |
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| Coordinates | 37.2530556, -121.9499444 |
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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 | 17915.00000000 | | | | | |
| 1 | 1 | FXO | 17915.00000000 | | | | | |
| 1 | 1 | FXO | 17915.00000000 | | | | | |
| 1 | 1 | FXO | 17915.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
| 1 | 1 | 17915.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2585 Samaritan Dr, San Jose, SANTA CLARA, CA | 37.25305556, -121.94994444 | 88.000 m | B | 13.700 m structure / 14.200 m overall | |
| 2 | R | | 37.30738889, -122.09566667 | 394.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-190B | | V | 39.0000 | 295.1000 | | |
| 1 | 2 | R | RFS SC2-190B | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-08 | WRDM421 | LICAN |
| 2020-09-09 | WRDM421 | LETCNS |
| 2019-06-04 | WRDM421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4166843 | 2026-08-02 02:46:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDM421 | ULS 4166843 | 2026-08-02 02:46:12 |
| Status | C | ULS 4166843 | 2026-08-02 02:46:12 |
| Service | CF | ULS 4166843 | 2026-08-02 02:46:12 |
| Grant Date | 2019-06-04 | ULS 4166843 | 2026-08-02 02:46:12 |
| Expiration Date | 2029-06-04 | ULS 4166843 | 2026-08-02 02:46:12 |
| Cancellation Date | 2025-01-06 | ULS 4166843 | 2026-08-02 02:46:12 |