Universal Licensing System
WRZU518
Gemological Institute of America, Inc
License details
| ULS identifier | 4853729 |
|---|
| Call sign | WRZU518 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-12-12 |
|---|
| Expiration | 2033-12-12 |
|---|
| Frequency range | 451.8875 - 469.6125 MHz (14 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | CARLSBAD, SAN DIEGO, CA |
|---|
| Coordinates | 33.1322778, -117.3192500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:06 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.88750000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 452.33750000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 456.88750000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 457.33750000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 461.45000000 | | | 4.000000 | 25.000000 | |
| 1 | 1 | FB2 | 463.38750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 463.38750000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 464.15000000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 464.28750000 | | | 4.000000 | 25.000000 | |
| 1 | 1 | FB2 | 464.61250000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 464.61250000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 464.93750000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 466.45000000 | | | 4.000000 | 25.000000 | |
| 3 | 1 | MO | 467.32500000 | | | 4.000000 | 25.000000 | |
| 2 | 1 | MO | 468.38750000 | | | 4.000000 | 25.000000 | |
| 2 | 1 | MO | 469.61250000 | | | 4.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.88750000 | | 7K60FXE |
| 3 | 1 | 452.33750000 | | 7K60FXE |
| 3 | 1 | 456.88750000 | | 7K60FXE |
| 3 | 1 | 457.33750000 | | 7K60FXE |
| 3 | 1 | 461.45000000 | | 7K60FXE |
| 1 | 1 | 463.38750000 | | 7K60FXE |
| 2 | 1 | 463.38750000 | | 7K60FXE |
| 3 | 1 | 464.15000000 | | 7K60FXE |
| 3 | 1 | 464.28750000 | | 7K60FXE |
| 1 | 1 | 464.61250000 | | 7K60FXE |
| 2 | 1 | 464.61250000 | | 7K60FXE |
| 3 | 1 | 464.93750000 | | 7K60FXE |
| 3 | 1 | 466.45000000 | | 7K60FXE |
| 3 | 1 | 467.32500000 | | 7K60FXE |
| 2 | 1 | 468.38750000 | | 7K60FXE |
| 2 | 1 | 469.61250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5345 ARMADA DRIVE, CARLSBAD, SAN DIEGO, CA | 33.13227778, -117.31925000 | 52.000 m | B | 10.000 m structure / 20.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | CARLSBAD, SAN DIEGO, CA | 33.13227778, -117.31925000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.000 m | | | | 23.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5345 ARMADA DRIVE, CARLSBAD, CA | SAN DIEGO | 7606034000 |
License history
| Date | File or call sign | Action |
|---|
| 2024-09-10 | WRZU518 | LETCNS |
| 2023-12-12 | WRZU518 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4853729 | 2026-08-02 01:24:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRZU518 | ULS 4853729 | 2026-08-02 01:24:06 |
| Status | A | ULS 4853729 | 2026-08-02 01:24:06 |
| Service | IG | ULS 4853729 | 2026-08-02 01:24:06 |
| Grant Date | 2023-12-12 | ULS 4853729 | 2026-08-02 01:24:06 |
| Expiration Date | 2033-12-12 | ULS 4853729 | 2026-08-02 01:24:06 |