Universal Licensing System
WQDY505
License details
| ULS identifier | 2766712 |
|---|---|
| Call sign | WQDY505 |
| Radio service | PW |
| Status | A |
| Grant date | 2025-09-03 |
| Expiration | 2035-11-30 |
| Frequency range | 37.12 MHz |
| Locations | 5 |
| Representative location | MARTINEZ, CONTRA COSTA, CA |
| Coordinates | 38.0043611, -122.2905278 |
| 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 | 37.12000000 | 60.000000 | 60.000000 | |||
| 2 | 1 | FB | 37.12000000 | 60.000000 | 60.000000 | |||
| 3 | 1 | FB | 37.12000000 | 60.000000 | 60.000000 | |||
| 4 | 1 | FB | 37.12000000 | 60.000000 | 60.000000 | |||
| 5 | 1 | FB | 37.12000000 | 60.000000 | 60.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 37.12000000 | 12K5F9W | |
| 2 | 1 | 37.12000000 | 12K5F9W | |
| 3 | 1 | 37.12000000 | 12K5F9W | |
| 4 | 1 | 37.12000000 | 12K5F9W | |
| 5 | 1 | 37.12000000 | 12K5F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 880 TENNENT AVENUE, MARTINEZ, CONTRA COSTA, CA | 38.00436111, -122.29052778 | 9.000 m | BANT | 18.000 m structure / 24.000 m overall | |
| 2 | T | 100 MOCOCO ROAD, MARTINEZ, CONTRA COSTA, CA | 38.03044444, -122.11477778 | 6.000 m | BMAST | 3.000 m structure / 8.200 m overall | |
| 3 | T | 401 27TH STREET, RICHMOND, CONTRA COSTA, CA | 37.93658333, -122.34275000 | 15.200 m | BMAST | 18.300 m structure / 23.500 m overall | |
| 4 | T | 1500 BOLLINGER CANYON ROAD, SAN RAMON, CONTRA COSTA, CA | 37.77208333, -121.99491667 | 185.000 m | BMAST | 3.000 m structure / 8.200 m overall | |
| 5 | T | SOLANO WAY, MARTINEZ, CONTRA COSTA, CA | 38.02450000, -122.06647222 | 6.000 m | BANT | 3.000 m structure / 8.200 m overall |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 3.600 m | 1.0000 | 360.0000 | -23.000 | ||||
| 1 | 2 | 8.200 m | 1.0000 | 360.0000 | -63.300 | ||||
| 1 | 3 | 22.400 m | 1.0000 | 360.0000 | -11.900 | ||||
| 1 | 4 | 8.200 m | 1.0000 | 360.0000 | -24.000 | ||||
| 1 | 5 | 8.200 m | 1.0000 | 360.0000 | -45.700 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 30 DOUGLAS DRIVE, MARTINEZ, CA | CONTRA COSTA | 9253131305 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2025-09-03 | WQDY505 | LIREN |
| 2020-07-23 | WQDY505 | LIAUA |
| 2020-05-08 | WQDY505 | LIAUA |
| 2015-09-11 | WQDY505 | LIREN |
| 2015-09-10 | WQDY505 | ESUAPR |
| 2015-09-01 | WQDY505 | ESURNW |
| 2012-06-16 | WQDY505 | LIAUA |
| 2012-06-15 | WQDY505 | ESUAPR |
| 2010-06-23 | WQDY505 | LTSAPR |
| 2010-06-22 | WQDY505 | LIAUA |
| 2010-06-22 | WQDY505 | EFCAPR |
| 2010-06-22 | WQDY505 | ESCAPR |
| 2010-06-21 | WQDY505 | EFUAPR |
| 2010-06-21 | WQDY505 | ESUAPR |
| 2005-11-30 | WQDY505 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 2766712 | 2026-08-02 01:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WQDY505 | ULS 2766712 | 2026-08-02 01:08:36 |
| Status | A | ULS 2766712 | 2026-08-02 01:08:36 |
| Service | PW | ULS 2766712 | 2026-08-02 01:08:36 |
| Grant Date | 2025-09-03 | ULS 2766712 | 2026-08-02 01:08:36 |
| Expiration Date | 2035-11-30 | ULS 2766712 | 2026-08-02 01:08:36 |