Universal Licensing System
WPDA311
License details
| ULS identifier | 1266836 |
|---|---|
| Call sign | WPDA311 |
| Radio service | PW |
| Status | A |
| Grant date | 2023-06-03 |
| Expiration | 2033-08-25 |
| Frequency range | 42.34 MHz |
| Locations | 5 |
| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
| Coordinates | 37.8813056, -121.9155278 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:16:00 |
Licensee
| Name | CALIFORNIA, STATE OF |
|---|---|
| Applicant type | G |
| FRN | 0001724541 |
| Location | SACRAMENTO, CA |
| Address | 601 SEQUOIA PACIFIC BLVD, SACRAMENTO, CA, 958110231 |
| Phone | 9168945096 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FXO | 37.14000000 | 120.000000 | 379.000000 | |||
| 2 | 1 | FB | 42.34000000 | 120.000000 | 120.000000 | |||
| 3 | 1 | FB | 42.34000000 | 120.000000 | 120.000000 | |||
| 4 | 1 | FB | 42.34000000 | 120.000000 | 120.000000 | |||
| 5 | 1 | FB | 42.34000000 | 120.000000 | 120.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 37.14000000 | 20K0F3E | |
| 2 | 1 | 42.34000000 | 20K0F3E | |
| 3 | 1 | 42.34000000 | 20K0F3E | |
| 4 | 1 | 42.34000000 | 20K0F3E | |
| 5 | 1 | 42.34000000 | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | MOUNT DIABLO 8 MI E, WALNUT CREEK, CONTRA COSTA, CA | 37.88130556, -121.91552778 | 1170.000 m | 18.000 m structure / 18.000 m overall | N | |
| 2 | T | COBB MOUNTAIN 1.5 MI SW, COBB, LAKE, CA | 38.80686111, -122.74083333 | 1433.000 m | 37.000 m structure / 37.000 m overall | N | |
| 3 | T | MOUNT VACA 7 MI NW, VACAVILLE, SOLANO, CA | 38.40047222, -122.10608333 | 859.000 m | 37.000 m structure / 37.000 m overall | N | |
| 4 | T | MOUNT SUTRO, SAN FRANCISCO, SAN FRANCISCO, CA | 37.75547222, -122.45247222 | 254.000 m | 298.000 m structure / 298.000 m overall | N | |
| 5 | T | ALLISON PEAK 4 MI E, FREMONT, ALAMEDA, CA | 37.49800000, -121.87188889 | 808.000 m | 24.000 m structure / 24.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 23.000 m | ||||||
| 1 | 2 | T | 41.000 m | ||||||
| 1 | 3 | T | 42.000 m | ||||||
| 1 | 4 | T | 163.000 m | ||||||
| 1 | 5 | T | 30.000 m |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 1551 BENICIA RD, VALLEJO, CA | 9166579999 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2023-06-03 | WPDA311 | LIREN |
| 2023-05-29 | WPDA311 | LETRES |
| 2021-01-08 | WPDA311 | LIAUA |
| 2013-06-05 | WPDA311 | LIREN |
| 2013-06-03 | WPDA311 | LETRES |
| 2013-05-27 | WPDA311 | ESURNW |
| 2010-12-23 | WPDA311 | LIAUA |
| 2010-12-22 | WPDA311 | ESCAPR |
| 2003-06-25 | WPDA311 | LIREN |
| 2003-06-02 | WPDA311 | LETRES |
| 2002-03-11 | WPDA311 | AUDOPR |
| 2000-10-20 | WPDA311 | LICCNV |
| 1998-07-09 | WPDA311 | LIREN |
| 1998-07-09 | WPDA311 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1266836 | 2026-08-02 01:16:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPDA311 | ULS 1266836 | 2026-08-02 01:16:00 |
| Status | A | ULS 1266836 | 2026-08-02 01:16:00 |
| Service | PW | ULS 1266836 | 2026-08-02 01:16:00 |
| Grant Date | 2023-06-03 | ULS 1266836 | 2026-08-02 01:16:00 |
| Expiration Date | 2033-08-25 | ULS 1266836 | 2026-08-02 01:16:00 |