Universal Licensing System
WRDD677
City of Pittsburg, CA Police Dept.
License details
| ULS identifier | 4145552 |
|---|
| Call sign | WRDD677 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-04-03 |
|---|
| Expiration | 2029-04-03 |
|---|
| Frequency range | 6093.45 MHz |
|---|
| Locations | 1 |
|---|
| Coordinates | 37.9429444, -121.8910000 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:44:40 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6093.45000000 | | 30M0G7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6093.45000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 40 Glacier Dr, Martinez, CONTRA COSTA, CA | 37.98972222, -122.08861111 | 51.800 m | LTOWER | 42.700 m structure / 42.700 m overall | |
| 2 | R | | 37.94294444, -121.89100000 | 577.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HP6-59 | | S | 39.0000 | 106.6000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP6-59 | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-07-07 | WRDD677 | LETCNS |
| 2019-04-03 | WRDD677 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4145552 | 2026-08-02 02:44:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDD677 | ULS 4145552 | 2026-08-02 02:44:40 |
| Status | A | ULS 4145552 | 2026-08-02 02:44:40 |
| Service | MW | ULS 4145552 | 2026-08-02 02:44:40 |
| Grant Date | 2019-04-03 | ULS 4145552 | 2026-08-02 02:44:40 |
| Expiration Date | 2029-04-03 | ULS 4145552 | 2026-08-02 02:44:40 |