Universal Licensing System
WRPX409
ISP Industries LLC db/a isp.net
License details
| ULS identifier | 4575792 |
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| Call sign | WRPX409 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2022-03-31 |
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| Expiration | 2032-03-31 |
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| Frequency range | 10835 MHz |
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| Locations | 2 |
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| Representative location | Santa Margarita, SAN LUIS OBISPO, CA |
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| Coordinates | 35.3936111, -120.7085000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 2 | FXO | 10835.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 1 | 10835.00000000 | | 79M6D7D |
| 1 | 2 | 10835.00000000 | | 79M6D7D |
| 1 | 2 | 10835.00000000 | | 79M6D7D |
| 1 | 2 | 10835.00000000 | | 79M6D7D |
| 1 | 2 | 10835.00000000 | | 79M6D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Atascadero Unified School District, Santa Margarita, SAN LUIS OBISPO, CA | 35.39361111, -120.70850000 | 827.800 m | LTOWER | 8.000 m structure / 9.000 m overall | |
| 2 | R | | 35.48377778, -120.67086111 | 272.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Ubiquiti Networks, Inc. AF-11G35 | | V | 35.0000 | 18.8000 | | |
| 1 | 2 | R | Ubiquiti Networks, Inc. AF-11G35 | | | 35.0000 | | | |
| 2 | 1 | T | Ubiquiti Networks, Inc. AF-11G35 | | H | 35.0000 | 18.8000 | | |
| 2 | 2 | R | Ubiquiti Networks, Inc. AF-11G35 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-17 | WRPX409 | LIASS |
| 2025-04-26 | WRPX409 | LIAUA |
| 2023-07-04 | WRPX409 | LETCNS |
| 2022-03-31 | WRPX409 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4575792 | 2026-08-02 02:43:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRPX409 | ULS 4575792 | 2026-08-02 02:43:53 |
| Status | A | ULS 4575792 | 2026-08-02 02:43:53 |
| Service | MG | ULS 4575792 | 2026-08-02 02:43:53 |
| Grant Date | 2022-03-31 | ULS 4575792 | 2026-08-02 02:43:53 |
| Expiration Date | 2032-03-31 | ULS 4575792 | 2026-08-02 02:43:53 |