Universal Licensing System
WPDI317
License details
| ULS identifier | 1232271 |
|---|---|
| Call sign | WPDI317 |
| Radio service | PW |
| Status | A |
| Grant date | 2023-08-04 |
| Expiration | 2033-10-05 |
| Frequency range | 45.82 MHz |
| Locations | 6 |
| Representative location | PINOLE, CONTRA COSTA, CA |
| Coordinates | 38.0043611, -122.2902500 |
| 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 | 60.000000 | 60.000000 | |||
| 6 | 1 | FB | 45.82000000 | 20.000000 | 20.000000 |
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 | 880 TENNENT AVE, PINOLE, CONTRA COSTA, CA | 38.00436111, -122.29025000 | 9.000 m | 21.000 m structure / 21.000 m overall | N | |
| 2 | T | 330 CIVIC DR, PLEASANT HILL, CONTRA COSTA, CA | 37.96158333, -122.06941667 | 11.000 m | 10.000 m structure / 10.000 m overall | N | |
| 3 | T | 111 CIVIC DR, HERCULES, CONTRA COSTA, CA | 38.00963889, -122.26497222 | 29.000 m | 12.000 m structure / 12.000 m overall | N | |
| 4 | T | 10900 SAN PABLO AVE, EL CERRITO, CONTRA COSTA, CA | 37.91602778, -122.31136111 | 20.000 m | 20.000 m structure / 20.000 m overall | N | |
| 5 | T | 1666 N MAIN ST, WALNUT CREEK, CONTRA COSTA, CA | 37.90158333, -122.06136111 | 41.000 m | 29.000 m structure / 29.000 m overall | N | |
| 6 | T | 1005 OAK ST, CLAYTON, CONTRA COSTA, CA | 37.94075000, -121.93663889 | 116.000 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 | 24.000 m | ||||||
| 1 | 2 | T | 12.000 m | ||||||
| 1 | 3 | T | 15.000 m | ||||||
| 1 | 4 | T | 12.000 m | ||||||
| 1 | 5 | T | 43.000 m | ||||||
| 1 | 6 | T | 10.000 m |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 880 TENNENT AVE, PINOLE, CA | 9257248950 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2023-08-04 | WPDI317 | LIREN |
| 2023-07-10 | WPDI317 | LETRES |
| 2020-07-23 | WPDI317 | LIAUA |
| 2020-05-07 | WPDI317 | LIAUA |
| 2013-07-09 | WPDI317 | LIREN |
| 2013-07-07 | WPDI317 | ESURNW |
| 2012-06-16 | WPDI317 | LIAUA |
| 2012-06-15 | WPDI317 | ESUAPR |
| 2010-06-22 | WPDI317 | LIAUA |
| 2010-06-22 | WPDI317 | LTSAPR |
| 2010-06-21 | WPDI317 | EFCAPR |
| 2010-06-21 | WPDI317 | ESCAPR |
| 2003-07-11 | WPDI317 | LIREN |
| 2003-07-11 | WPDI317 | LIAUA |
| 2002-02-19 | WPDI317 | AUDOPR |
| 2000-12-20 | WPDI317 | LIAUA |
| 2000-10-20 | WPDI317 | LICCNV |
| 1998-07-22 | WPDI317 | AUTHPR |
| 1998-07-22 | WPDI317 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1232271 | 2026-08-02 01:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPDI317 | ULS 1232271 | 2026-08-02 01:08:36 |
| Status | A | ULS 1232271 | 2026-08-02 01:08:36 |
| Service | PW | ULS 1232271 | 2026-08-02 01:08:36 |
| Grant Date | 2023-08-04 | ULS 1232271 | 2026-08-02 01:08:36 |
| Expiration Date | 2033-10-05 | ULS 1232271 | 2026-08-02 01:08:36 |