Universal Licensing System
WQLW620
Contra Costa Water District
License details
| ULS identifier | 3196466 |
|---|
| Call sign | WQLW620 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2020-05-13 |
|---|
| Expiration | 2030-05-12 |
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| Frequency range | 10835 - 19475 MHz (4 frequencies) |
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| Locations | 4 |
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| Representative location | San Ramon, CONTRA COSTA, CA |
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| Coordinates | 37.8205278, -121.7812778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 4 | FXO | 11565.00000000 | | | | | |
| 1 | 2 | FXO | 19360.00000000 | | | | | |
| 1 | 3 | FXO | 19475.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10835.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0D7W |
| 1 | 4 | 11565.00000000 | | 80M0G7W |
| 1 | 2 | 19360.00000000 | | 36M2D7W |
| 1 | 3 | 19475.00000000 | | 45M2D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Off Morgan Teritory Road, San Ramon, CONTRA COSTA, CA | 37.82052778, -121.78127778 | 684.700 m | TANK | 93.300 m structure / 93.300 m overall | N |
| 2 | R | | 37.98119444, -121.73705556 | 26.900 m | | | |
| 3 | R | | 37.83638889, -121.72630556 | 140.200 m | | | |
| 4 | R | | 37.94300000, -121.89102778 | 576.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | CommScope VHLP3-11WA | | V | 38.5000 | 12.3000 | | |
| 1 | 2 | R | CommScope VHLP3-11WA | | | 38.5000 | 0.0000 | | |
| 1 | 3 | R | Dragonwave A-ANT-18G-2-C | | | 38.6000 | | | |
| 1 | 4 | R | Dragonwave A-ANT-18G-4-C | | | 44.5000 | | | |
| 2 | 1 | T | Dragonwave A-ANT-18G-2-C | | V | 38.6000 | 70.0000 | | |
| 2 | 4 | R | Commscope VHP4-107A | | | 40.5000 | 0.0000 | | |
| 3 | 1 | T | Dragonwave A-ANT-18G-4-C | | V | 44.5000 | 324.7000 | | |
| 4 | 1 | T | Commscope VHP4-107A | | S | 40.5000 | 324.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-12 | WQLW620 | FRATRM |
| 2026-02-04 | WQLW620 | LETTRS |
| 2026-02-04 | WQLW620 | PNLISR |
| 2025-09-30 | WQLW620 | LETCNS |
| 2024-09-22 | WQLW620 | ANATRM |
| 2024-09-22 | WQLW620 | PAATRM |
| 2024-09-22 | WQLW620 | FRATRM |
| 2024-09-22 | WQLW620 | LOATRM |
| 2024-07-17 | WQLW620 | LETTRS |
| 2024-07-17 | WQLW620 | PNLISR |
| 2024-06-27 | WQLW620 | LIMOD |
| 2024-03-12 | WQLW620 | LETCNS |
| 2022-12-12 | WQLW620 | LIMOD |
| 2020-06-08 | WQLW620 | LIMOD |
| 2020-05-13 | WQLW620 | LIREN |
| 2020-02-17 | WQLW620 | LETRES |
| 2011-08-16 | WQLW620 | LETCNS |
| 2010-05-12 | WQLW620 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3196466 | 2026-08-02 02:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQLW620 | ULS 3196466 | 2026-08-02 02:43:10 |
| Status | A | ULS 3196466 | 2026-08-02 02:43:10 |
| Service | MW | ULS 3196466 | 2026-08-02 02:43:10 |
| Grant Date | 2020-05-13 | ULS 3196466 | 2026-08-02 02:43:10 |
| Expiration Date | 2030-05-12 | ULS 3196466 | 2026-08-02 02:43:10 |