Universal Licensing System
WRFD761
Optumrx
License details
| ULS identifier | 4248788 |
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| Call sign | WRFD761 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-02-08 |
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| Expiration | 2030-02-08 |
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| Frequency range | 451.5875 - 457.6625 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Carlsbad, SAN DIEGO, CA |
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| Coordinates | 33.1320556, -117.2466944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:33 |
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Licensee
| Name | Optumrx |
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| Applicant type | L |
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| FRN | 0029179397 |
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| Location | Carlsbad, CA |
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| Address | 2858 Loker Avenue East, Carlsbad, CA, 92010 |
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| Phone | 6236985511 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.58750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.66250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.58750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.66250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.66250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.58750000 | | 11K0F3E |
| 1 | 1 | 452.66250000 | | 11K0F3E |
| 1 | 1 | 456.58750000 | | 11K0F3E |
| 1 | 1 | 456.66250000 | | 11K0F3E |
| 1 | 1 | 457.66250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Carlsbad, SAN DIEGO, CA | 33.13205556, -117.24669444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2858 Loker Avenue East, Carlsbad, CA | SAN DIEGO | 4079826425 |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-08 | WRFD761 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4248788 | 2026-08-02 01:23:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFD761 | ULS 4248788 | 2026-08-02 01:23:33 |
| Status | A | ULS 4248788 | 2026-08-02 01:23:33 |
| Service | IG | ULS 4248788 | 2026-08-02 01:23:33 |
| Grant Date | 2020-02-08 | ULS 4248788 | 2026-08-02 01:23:33 |
| Expiration Date | 2030-02-08 | ULS 4248788 | 2026-08-02 01:23:33 |