Universal Licensing System
WRZU725
Roblox Corporation
License details
| ULS identifier | 4854133 |
|---|
| Call sign | WRZU725 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-12-13 |
|---|
| Expiration | 2033-12-13 |
|---|
| Frequency range | 451.8 - 469.8125 MHz (21 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:24:06 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 5 | 1 | MOI | 451.80000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2I | 451.80000000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MOI | 451.81250000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2I | 451.81250000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MOI | 456.80000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 456.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 461.05000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 461.05000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 461.08750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 461.17500000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | MO | 461.17500000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 461.23750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 461.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 461.73750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 461.73750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 462.06250000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | MO | 462.06250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 463.85000000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | MO | 463.85000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 464.81250000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 464.81250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.05000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 466.08750000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 466.17500000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 466.23750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.73750000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 467.06250000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 468.85000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.81250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 5 | 1 | 451.80000000 | | 7K60FXD |
| 5 | 1 | 451.80000000 | | 7K60FXE |
| 5 | 1 | 451.80000000 | | 7K60FXD |
| 5 | 1 | 451.80000000 | | 7K60FXE |
| 5 | 1 | 451.81250000 | | 7K60FXD |
| 5 | 1 | 451.81250000 | | 7K60FXE |
| 5 | 1 | 451.81250000 | | 7K60FXE |
| 5 | 1 | 451.81250000 | | 7K60FXD |
| 5 | 1 | 456.80000000 | | 7K60FXE |
| 5 | 1 | 456.80000000 | | 7K60FXD |
| 5 | 1 | 456.81250000 | | 7K60FXD |
| 5 | 1 | 456.81250000 | | 7K60FXE |
| 1 | 1 | 461.05000000 | | 7K60FXE |
| 1 | 1 | 461.05000000 | | 7K60FXD |
| 2 | 1 | 461.05000000 | | 7K60FXE |
| 2 | 1 | 461.05000000 | | 7K60FXD |
| 5 | 1 | 461.08750000 | | 7K60FXD |
| 5 | 1 | 461.08750000 | | 7K60FXE |
| 3 | 1 | 461.17500000 | | 7K60FXE |
| 3 | 1 | 461.17500000 | | 7K60FXD |
| 4 | 1 | 461.17500000 | | 7K60FXD |
| 4 | 1 | 461.17500000 | | 7K60FXE |
| 5 | 1 | 461.23750000 | | 7K60FXE |
| 5 | 1 | 461.23750000 | | 7K60FXD |
| 5 | 1 | 461.36250000 | | 7K60FXE |
| 5 | 1 | 461.36250000 | | 7K60FXD |
| 1 | 1 | 461.73750000 | | 7K60FXE |
| 1 | 1 | 461.73750000 | | 7K60FXD |
| 2 | 1 | 461.73750000 | | 7K60FXD |
| 2 | 1 | 461.73750000 | | 7K60FXE |
| 3 | 1 | 462.06250000 | | 7K60FXE |
| 3 | 1 | 462.06250000 | | 7K60FXD |
| 4 | 1 | 462.06250000 | | 7K60FXE |
| 4 | 1 | 462.06250000 | | 7K60FXD |
| 3 | 1 | 463.85000000 | | 7K60FXD |
| 3 | 1 | 463.85000000 | | 7K60FXE |
| 4 | 1 | 463.85000000 | | 7K60FXD |
| 4 | 1 | 463.85000000 | | 7K60FXE |
| 1 | 1 | 464.81250000 | | 7K60FXE |
| 1 | 1 | 464.81250000 | | 7K60FXD |
| 2 | 1 | 464.81250000 | | 7K60FXD |
| 2 | 1 | 464.81250000 | | 7K60FXE |
| 2 | 1 | 466.05000000 | | 7K60FXE |
| 2 | 1 | 466.05000000 | | 7K60FXD |
| 5 | 1 | 466.08750000 | | 7K60FXE |
| 5 | 1 | 466.08750000 | | 7K60FXD |
| 4 | 1 | 466.17500000 | | 7K60FXE |
| 4 | 1 | 466.17500000 | | 7K60FXD |
| 5 | 1 | 466.23750000 | | 7K60FXD |
| 5 | 1 | 466.23750000 | | 7K60FXE |
| 2 | 1 | 466.73750000 | | 7K60FXD |
| 2 | 1 | 466.73750000 | | 7K60FXE |
| 4 | 1 | 467.06250000 | | 7K60FXE |
| 4 | 1 | 467.06250000 | | 7K60FXD |
| 4 | 1 | 468.85000000 | | 7K60FXD |
| 4 | 1 | 468.85000000 | | 7K60FXE |
| 2 | 1 | 469.81250000 | | 7K60FXE |
| 2 | 1 | 469.81250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2850 S. Delaware Street, San Mateo, SAN MATEO, CA | 37.54250000, -122.30038889 | 4.000 m | BANT | 16.800 m structure / 18.900 m overall | |
| 2 | T | | | | | | |
| 3 | T | 960 Park Place, San Mateo, SAN MATEO, CA | 37.54394444, -122.29447222 | 3.000 m | BANT | 16.800 m structure / 18.900 m overall | |
| 4 | T | | | | | | |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.900 m | | | | -66.600 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 18.900 m | | | | -64.100 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2850 S. Delaware Street, San Mateo, CA | SAN MATEO | 6509963049 |
| 2 | 960 Park Place, San Mateo, CA | SAN MATEO | 6509963049 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-06 | WRZU725 | LIMOD |
| 2024-09-17 | WRZU725 | LETCNS |
| 2023-12-13 | WRZU725 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4854133 | 2026-08-02 01:24:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRZU725 | ULS 4854133 | 2026-08-02 01:24:06 |
| Status | A | ULS 4854133 | 2026-08-02 01:24:06 |
| Service | IG | ULS 4854133 | 2026-08-02 01:24:06 |
| Grant Date | 2023-12-13 | ULS 4854133 | 2026-08-02 01:24:06 |
| Expiration Date | 2033-12-13 | ULS 4854133 | 2026-08-02 01:24:06 |