Universal Licensing System
WRBL454
CERADYNE INC. A 3M COMPANY
License details
| ULS identifier | 4036343 |
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| Call sign | WRBL454 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-04-19 |
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| Expiration | 2028-04-19 |
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| Frequency range | 451.6875 - 467.3625 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | IRVINE, ORANGE, CA |
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| Coordinates | 33.7013056, -117.8386389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.68750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 452.63750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 456.68750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 457.63750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 467.36250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.68750000 | | 7K60FXE |
| 1 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 456.68750000 | | 7K60FXE |
| 1 | 1 | 457.63750000 | | 7K60FXE |
| 1 | 1 | 467.36250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | IRVINE, ORANGE, CA | 33.70130556, -117.83863889 | | | | |
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 |
|---|
| 1 | 1922 BARRANCA PKWY, IRVINE, CA | ORANGE | 9495645677 |
License history
| Date | File or call sign | Action |
|---|
| 2019-02-16 | WRBL454 | LETCNS |
| 2018-04-19 | WRBL454 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4036343 | 2026-08-02 01:21:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBL454 | ULS 4036343 | 2026-08-02 01:21:50 |
| Status | A | ULS 4036343 | 2026-08-02 01:21:50 |
| Service | IG | ULS 4036343 | 2026-08-02 01:21:50 |
| Grant Date | 2018-04-19 | ULS 4036343 | 2026-08-02 01:21:50 |
| Expiration Date | 2028-04-19 | ULS 4036343 | 2026-08-02 01:21:50 |