Universal Licensing System
WRKA246
CONCRETUM OPERIS, INC.
License details
| ULS identifier | 4358632 |
|---|
| Call sign | WRKA246 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-11-30 |
|---|
| Expiration | 2030-11-30 |
|---|
| Frequency range | 451.3625 - 467.5125 MHz (15 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | RICHMOND, CONTRA COSTA, CA |
|---|
| Coordinates | 37.9572500, -122.3728333 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:21:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.08750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.28750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.76250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.08750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.28750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 462.48750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 462.51250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 467.48750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 467.51250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.36250000 | | 11K2F3E |
| 1 | 1 | 451.36250000 | | 7K60FXE |
| 1 | 1 | 452.08750000 | | 11K2F3E |
| 1 | 1 | 452.08750000 | | 7K60FXE |
| 1 | 1 | 452.28750000 | | 7K60FXE |
| 1 | 1 | 452.28750000 | | 11K2F3E |
| 1 | 1 | 452.63750000 | | 11K2F3E |
| 1 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 452.76250000 | | 7K60FXE |
| 1 | 1 | 452.76250000 | | 11K2F3E |
| 1 | 1 | 452.81250000 | | 11K2F3E |
| 1 | 1 | 452.81250000 | | 7K60FXE |
| 1 | 1 | 456.36250000 | | 11K2F3E |
| 1 | 1 | 456.36250000 | | 7K60FXE |
| 1 | 1 | 457.08750000 | | 11K2F3E |
| 1 | 1 | 457.08750000 | | 7K60FXE |
| 1 | 1 | 457.28750000 | | 7K60FXE |
| 1 | 1 | 457.28750000 | | 11K2F3E |
| 1 | 1 | 457.63750000 | | 11K2F3E |
| 1 | 1 | 457.63750000 | | 7K60FXE |
| 1 | 1 | 457.81250000 | | 11K2F3E |
| 1 | 1 | 457.81250000 | | 7K60FXE |
| 1 | 1 | 462.48750000 | | 7K60FXE |
| 1 | 1 | 462.48750000 | | 11K2F3E |
| 1 | 1 | 462.51250000 | | 7K60FXE |
| 1 | 1 | 462.51250000 | | 11K2F3E |
| 1 | 1 | 467.48750000 | | 7K60FXE |
| 1 | 1 | 467.48750000 | | 11K2F3E |
| 1 | 1 | 467.51250000 | | 7K60FXE |
| 1 | 1 | 467.51250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | RICHMOND, CONTRA COSTA, CA | 37.95725000, -122.37283333 | | | | |
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 | 187 HENRY CLARK LN, RICHMOND, CA | CONTRA COSTA | 4158004598 |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-31 | WRKA246 | LETCNS |
| 2020-11-30 | WRKA246 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4358632 | 2026-08-02 01:21:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKA246 | ULS 4358632 | 2026-08-02 01:21:57 |
| Status | A | ULS 4358632 | 2026-08-02 01:21:57 |
| Service | IG | ULS 4358632 | 2026-08-02 01:21:57 |
| Grant Date | 2020-11-30 | ULS 4358632 | 2026-08-02 01:21:57 |
| Expiration Date | 2030-11-30 | ULS 4358632 | 2026-08-02 01:21:57 |