Universal Licensing System
WHW753
BoatU.S. - Vessel Assist
License details
| ULS identifier | 1978429 |
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| Call sign | WHW753 |
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| Radio service | MC |
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| Status | E |
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| Grant date | 2015-05-22 |
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| Expiration | 2020-05-31 |
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| Cancellation | 2020-09-12 |
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| Frequency range | 156.35 - 157.1 MHz (8 frequencies) |
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| Locations | 1 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191389 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.35000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.42500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.47500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.57500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.92500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 157.10000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.35000000 | | 16K0F3E |
| 1 | 1 | 156.42500000 | | 16K0F3E |
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.47500000 | | 16K0F3E |
| 1 | 1 | 156.57500000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
| 1 | 1 | 156.92500000 | | 16K0F3E |
| 1 | 1 | 157.10000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT DIABLO, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | TOWER | 87.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 46.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | 2755 Bristol Street Suite 250, Costa Mesa, CA | ORANGE | 9497229055 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-12 | WHW753 | LIEXP |
| 2020-03-09 | WHW753 | LETRES |
| 2020-01-16 | WHW753 | LIAUA |
| 2015-05-22 | WHW753 | COR |
| 2015-05-22 | WHW753 | LIREN |
| 2015-05-01 | WHW753 | ESUAPR |
| 2015-03-20 | WHW753 | ESUAPR |
| 2015-03-09 | WHW753 | LETRES |
| 2006-10-13 | WHW753 | LIAUA |
| 2006-10-12 | WHW753 | ESUAPR |
| 2006-05-19 | WHW753 | LIMOD |
| 2006-03-10 | WHW753 | ESUAPR |
| 2006-02-24 | WHW753 | LIREN |
| 2005-12-09 | WHW753 | LTSFNR |
| 2005-03-22 | WHW753 | LTSAPR |
| 2005-03-18 | WHW753 | LTSFRN |
| 2005-03-07 | WHW753 | LETRES |
| 2004-11-08 | WHW753 | LTSFRN |
| 2001-04-27 | WHW753 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1978429 | 2026-08-02 02:08:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHW753 | ULS 1978429 | 2026-08-02 02:08:08 |
| Status | E | ULS 1978429 | 2026-08-02 02:08:08 |
| Service | MC | ULS 1978429 | 2026-08-02 02:08:08 |
| Grant Date | 2015-05-22 | ULS 1978429 | 2026-08-02 02:08:08 |
| Expiration Date | 2020-05-31 | ULS 1978429 | 2026-08-02 02:08:08 |
| Cancellation Date | 2020-09-12 | ULS 1978429 | 2026-08-02 02:08:08 |