Universal Licensing System
WQDY508
License details
| ULS identifier | 2766715 |
|---|---|
| Call sign | WQDY508 |
| Radio service | PW |
| Status | A |
| Grant date | 2025-09-03 |
| Expiration | 2035-11-30 |
| Frequency range | 37.12 MHz |
| Locations | 6 |
| Representative location | MARTINEZ, CONTRA COSTA, CA |
| Coordinates | 37.9951944, -122.1220000 |
| 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 | |||
| 6 | 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 | |
| 6 | 1 | 37.12000000 | 12K5F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 10 DOUGLAS DRIVE, MARTINEZ, CONTRA COSTA, CA | 37.99519444, -122.12200000 | 79.000 m | BMAST | 6.100 m structure / 9.800 m overall | |
| 2 | T | 841 CHEVRON WAY, RICHMOND, CONTRA COSTA, CA | 37.93022222, -122.38688889 | 5.000 m | BMAST | 3.100 m structure / 11.200 m overall | |
| 3 | T | CHEVRON FIRE DISPATCH, RICHMOND, CONTRA COSTA, CA | 37.93336111, -122.39361111 | 5.000 m | BMAST | 15.200 m structure / 22.400 m overall | |
| 4 | T | 901 LOVERIDGE ROAD, PITTSBURG, CONTRA COSTA, CA | 38.02305556, -121.85436111 | 5.000 m | BMAST | 6.100 m structure / 10.200 m overall | |
| 5 | T | 525 HENRIETTA ST, MARTINEZ, CONTRA COSTA, CA | 38.01361111, -122.13416667 | 8.000 m | B | 8.000 m structure / 15.000 m overall | |
| 6 | T | 1704 MARINA VISTA WAY, MARTINEZ, CONTRA COSTA, CA | 38.02000000, -122.12527778 | 29.000 m | BMAST | 9.100 m structure / 14.300 m overall |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 9.800 m | 1.0000 | 360.0000 | -17.300 | ||||
| 1 | 2 | 9.800 m | 1.0000 | 360.0000 | -20.600 | ||||
| 1 | 3 | 22.400 m | 1.0000 | 360.0000 | -13.400 | ||||
| 1 | 4 | 10.200 m | 1.0000 | 360.0000 | -54.500 | ||||
| 1 | 5 | 15.000 m | 1.0000 | 360.0000 | -69.400 | ||||
| 1 | 6 | 14.300 m | 1.0000 | 360.0000 | -40.700 |
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 | WQDY508 | LIREN |
| 2020-07-23 | WQDY508 | LIAUA |
| 2020-05-12 | WQDY508 | LIAUA |
| 2015-09-11 | WQDY508 | LIREN |
| 2015-09-10 | WQDY508 | ESUAPR |
| 2015-09-01 | WQDY508 | ESURNW |
| 2012-06-16 | WQDY508 | LIAUA |
| 2012-06-15 | WQDY508 | ESUAPR |
| 2010-06-23 | WQDY508 | LTSAPR |
| 2010-06-22 | WQDY508 | ESCAPR |
| 2010-06-22 | WQDY508 | EFCAPR |
| 2010-06-22 | WQDY508 | LIAUA |
| 2010-06-21 | WQDY508 | EFUAPR |
| 2010-06-21 | WQDY508 | ESUAPR |
| 2005-11-30 | WQDY508 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 2766715 | 2026-08-02 01:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WQDY508 | ULS 2766715 | 2026-08-02 01:08:36 |
| Status | A | ULS 2766715 | 2026-08-02 01:08:36 |
| Service | PW | ULS 2766715 | 2026-08-02 01:08:36 |
| Grant Date | 2025-09-03 | ULS 2766715 | 2026-08-02 01:08:36 |
| Expiration Date | 2035-11-30 | ULS 2766715 | 2026-08-02 01:08:36 |