Universal Licensing System
WRQS398
Koch Carbon LLC
License details
| ULS identifier | 4601619 |
|---|
| Call sign | WRQS398 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-05-04 |
|---|
| Expiration | 2032-05-04 |
|---|
| Frequency range | 452.15 - 457.15 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Pittsburg, CONTRA COSTA, CA |
|---|
| Coordinates | 38.0313889, -121.8722778 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:54 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.15000000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | MO | 452.15000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.15000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.15000000 | | 11K2F3E |
| 2 | 1 | 452.15000000 | | 11K2F3E |
| 2 | 1 | 457.15000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 707 E 3rd St, Pittsburg, CONTRA COSTA, CA | 38.03138889, -121.87227778 | 3.000 m | B | 8.000 m structure / 10.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.000 m | | | | -58.800 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 707 E 3rd St, Pittsburg, CA | CONTRA COSTA | 9254311090 |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-01 | WRQS398 | LITRAN |
| 2022-05-04 | WRQS398 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4601619 | 2026-08-02 01:16:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRQS398 | ULS 4601619 | 2026-08-02 01:16:54 |
| Status | A | ULS 4601619 | 2026-08-02 01:16:54 |
| Service | IG | ULS 4601619 | 2026-08-02 01:16:54 |
| Grant Date | 2022-05-04 | ULS 4601619 | 2026-08-02 01:16:54 |
| Expiration Date | 2032-05-04 | ULS 4601619 | 2026-08-02 01:16:54 |