Universal Licensing System
WPDI316
License details
| ULS identifier | 1232270 |
|---|---|
| Call sign | WPDI316 |
| Radio service | PW |
| Status | A |
| Grant date | 2023-08-04 |
| Expiration | 2033-10-05 |
| Frequency range | 45.82 MHz |
| Locations | 6 |
| Representative location | SAN RAMON, CONTRA COSTA, CA |
| Coordinates | 37.7751944, -121.9608056 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:08:36 |
Licensee
| Name | CONTRA COSTA, COUNTY OF |
|---|---|
| Applicant type | G |
| FRN | 0001540145 |
| Location | MARTINEZ, CA |
| Address | 30 Douglas Drive, MARTINEZ, CA, 945534068 |
| Phone | 9253131200 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB | 45.82000000 | 40.000000 | 40.000000 | |||
| 2 | 1 | FB | 45.82000000 | 40.000000 | 40.000000 | |||
| 3 | 1 | FB | 45.82000000 | 40.000000 | 40.000000 | |||
| 4 | 1 | FB | 45.82000000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB | 45.82000000 | 40.000000 | 40.000000 | |||
| 6 | 1 | FB | 45.82000000 | 40.000000 | 40.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 45.82000000 | 20K0F3E | |
| 2 | 1 | 45.82000000 | 20K0F3E | |
| 3 | 1 | 45.82000000 | 20K0F3E | |
| 4 | 1 | 45.82000000 | 20K0F3E | |
| 5 | 1 | 45.82000000 | 20K0F3E | |
| 6 | 1 | 45.82000000 | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 2222 CAMINO RAMON, SAN RAMON, CONTRA COSTA, CA | 37.77519444, -121.96080556 | 140.000 m | 4.000 m structure / 4.000 m overall | N | |
| 2 | T | 3000 PACHECO BLVD, MARTINEZ, CONTRA COSTA, CA | 38.01241667, -122.11275000 | 11.000 m | 9.000 m structure / 9.000 m overall | N | |
| 3 | T | 3675 MOUNT DIABLO BLVD, LAFAYETTE, CONTRA COSTA, CA | 37.89297222, -122.12275000 | 98.000 m | 10.000 m structure / 10.000 m overall | N | |
| 4 | T | 500 CHESTNUT ST, BRENTWOOD, CONTRA COSTA, CA | 37.93075000, -121.69438889 | 23.000 m | 5.000 m structure / 5.000 m overall | N | |
| 5 | T | 27TH AND BARRETT, RICHMOND, CONTRA COSTA, CA | 37.93713889, -122.34302778 | 12.000 m | 12.000 m structure / 12.000 m overall | N | |
| 6 | T | 350 RHEEM BLVD, MORAGA, CONTRA COSTA, CA | 37.86158333, -122.12830556 | 183.000 m | 4.000 m structure / 4.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 8.000 m | ||||||
| 1 | 2 | T | 11.000 m | ||||||
| 1 | 3 | T | 13.000 m | ||||||
| 1 | 4 | T | 6.000 m | ||||||
| 1 | 5 | T | 20.000 m | ||||||
| 1 | 6 | T | 5.000 m |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 2222 CAMINO RAMON, SAN RAMON, CA | 9252752000 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2023-08-04 | WPDI316 | LIREN |
| 2023-07-10 | WPDI316 | LETRES |
| 2020-07-23 | WPDI316 | LIAUA |
| 2020-05-07 | WPDI316 | LIAUA |
| 2013-07-09 | WPDI316 | LIREN |
| 2013-07-07 | WPDI316 | ESURNW |
| 2012-06-16 | WPDI316 | LIAUA |
| 2012-06-15 | WPDI316 | ESUAPR |
| 2010-06-22 | WPDI316 | LTSAPR |
| 2010-06-22 | WPDI316 | LIAUA |
| 2010-06-21 | WPDI316 | EFCAPR |
| 2010-06-21 | WPDI316 | ESCAPR |
| 2003-07-11 | WPDI316 | LIREN |
| 2003-07-11 | WPDI316 | LIAUA |
| 2002-02-19 | WPDI316 | AUDOPR |
| 2000-12-20 | WPDI316 | LIAUA |
| 2000-10-20 | WPDI316 | LICCNV |
| 1998-07-22 | WPDI316 | LIREN |
| 1998-07-22 | WPDI316 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1232270 | 2026-08-02 01:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPDI316 | ULS 1232270 | 2026-08-02 01:08:36 |
| Status | A | ULS 1232270 | 2026-08-02 01:08:36 |
| Service | PW | ULS 1232270 | 2026-08-02 01:08:36 |
| Grant Date | 2023-08-04 | ULS 1232270 | 2026-08-02 01:08:36 |
| Expiration Date | 2033-10-05 | ULS 1232270 | 2026-08-02 01:08:36 |