Universal Licensing System
WQM478
CONTRA COSTA, COUNTY OF
License details
| ULS identifier | 1897810 |
|---|
| Call sign | WQM478 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-05-06 |
|---|
| Expiration | 2035-07-20 |
|---|
| Frequency range | 451.025 - 456.025 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CONCORD, CONTRA COSTA, CA |
|---|
| Coordinates | 38.0132500, -122.0405278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:08:36 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.02500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 451.02500000 | | | 10.000000 | | |
| 1 | 1 | MO | 456.02500000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.02500000 | | 11K2F3E |
| 2 | 1 | 451.02500000 | | 11K2F3E |
| 1 | 1 | 456.02500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | BOLLMAN PUMP PLANT 2015 BATES AVE, CONCORD, CONTRA COSTA, CA | 38.01325000, -122.04052778 | 18.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 4.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 30 DOUGLAS DRIVE, MARTINEZ, CA | CONTRA COSTA | 9259577701 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-06 | WQM478 | LIREN |
| 2025-04-28 | WQM478 | LETRES |
| 2020-07-23 | WQM478 | LIAUA |
| 2020-05-12 | WQM478 | LIAUA |
| 2015-04-23 | WQM478 | LIREN |
| 2015-04-21 | WQM478 | ESURNW |
| 2013-04-17 | WQM478 | LIMOD |
| 2013-04-16 | WQM478 | ESUAPR |
| 2012-06-16 | WQM478 | LIAUA |
| 2012-06-15 | WQM478 | ESUAPR |
| 2010-06-22 | WQM478 | LTSAPR |
| 2010-06-22 | WQM478 | LIAUA |
| 2010-06-21 | WQM478 | ESCAPR |
| 2010-06-21 | WQM478 | EFCAPR |
| 2010-06-15 | WQM478 | LIMOD |
| 2010-06-08 | WQM478 | LTSAPR |
| 2010-06-07 | WQM478 | EFCAPR |
| 2010-06-07 | WQM478 | ESCAPR |
| 2005-04-27 | WQM478 | LIREN |
| 2005-04-26 | WQM478 | ESCAPR |
| 2005-04-25 | WQM478 | LETRES |
| 2002-02-19 | WQM478 | AUDOPR |
| 2000-11-24 | WQM478 | LICCNV |
| 2000-05-31 | WQM478 | AUTHPR |
| 2000-05-31 | WQM478 | LIREN |
| 2000-04-18 | WQM478 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1897810 | 2026-08-02 01:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQM478 | ULS 1897810 | 2026-08-02 01:08:36 |
| Status | A | ULS 1897810 | 2026-08-02 01:08:36 |
| Service | IG | ULS 1897810 | 2026-08-02 01:08:36 |
| Grant Date | 2025-05-06 | ULS 1897810 | 2026-08-02 01:08:36 |
| Expiration Date | 2035-07-20 | ULS 1897810 | 2026-08-02 01:08:36 |