Universal Licensing System
WYK413
WALNUT CREEK, CITY OF
License details
| ULS identifier | 1203047 |
|---|
| Call sign | WYK413 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2021-11-17 |
|---|
| Expiration | 2032-02-07 |
|---|
| Frequency range | 154.115 - 159.12 MHz (6 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
|---|
| Coordinates | 37.8908611, -122.0053333 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 154.11500000 | | | 60.000000 | 60.000000 | |
| 4 | 1 | MO | 154.78500000 | | | 60.000000 | 60.000000 | |
| 1 | 1 | FB2 | 155.58750000 | | | 100.000000 | 60.000000 | |
| 5 | 1 | FB2 | 155.58750000 | | | 100.000000 | 60.000000 | |
| 6 | 1 | FB2 | 155.58750000 | | | 100.000000 | 60.000000 | |
| 7 | 1 | FB2 | 155.58750000 | | | 50.000000 | 24.000000 | |
| 8 | 1 | MO | 155.58750000 | | | 60.000000 | 60.000000 | |
| 1 | 1 | FB2 | 156.16500000 | | | 90.000000 | 140.000000 | |
| 1 | 1 | FB2 | 156.16500000 | | | 90.000000 | 70.000000 | |
| 2 | 1 | MO | 156.16500000 | | | 60.000000 | 60.000000 | |
| 5 | 2 | FB2 | 156.16500000 | | | 50.000000 | 100.000000 | |
| 6 | 1 | FB2 | 156.16500000 | | | 80.000000 | 170.000000 | |
| 7 | 2 | FB2 | 156.16500000 | | | 50.000000 | 24.000000 | |
| 3 | 1 | FX1 | 158.88750000 | | | 50.000000 | 25.000000 | |
| 8 | 1 | MO | 158.88750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 159.12000000 | | | 60.000000 | 60.000000 | |
| 3 | 1 | FX1 | 159.12000000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1 | 159.12000000 | | | 50.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 154.11500000 | | 7K60FXD |
| 4 | 1 | 154.11500000 | | 11K0F3E |
| 4 | 1 | 154.11500000 | | 7K60FXE |
| 4 | 1 | 154.11500000 | | 7K60FXW |
| 4 | 1 | 154.78500000 | | 7K60FXE |
| 4 | 1 | 154.78500000 | | 11K0F3E |
| 4 | 1 | 154.78500000 | | 7K60FXW |
| 4 | 1 | 154.78500000 | | 7K60FXD |
| 1 | 1 | 155.58750000 | | 7K60FXD |
| 1 | 1 | 155.58750000 | | 7K60FXE |
| 1 | 1 | 155.58750000 | | 7K60FXW |
| 5 | 1 | 155.58750000 | | 7K60FXW |
| 5 | 1 | 155.58750000 | | 7K60FXE |
| 5 | 1 | 155.58750000 | | 7K60FXD |
| 6 | 1 | 155.58750000 | | 7K60FXW |
| 6 | 1 | 155.58750000 | | 7K60FXE |
| 6 | 1 | 155.58750000 | | 7K60FXD |
| 7 | 1 | 155.58750000 | | 7K60FXE |
| 7 | 1 | 155.58750000 | | 7K60FXD |
| 7 | 1 | 155.58750000 | | 7K60FXW |
| 8 | 1 | 155.58750000 | | 7K60FXD |
| 8 | 1 | 155.58750000 | | 7K60FXE |
| 8 | 1 | 155.58750000 | | 7K60FXW |
| 1 | 1 | 156.16500000 | | 11K0F3E |
| 1 | 1 | 156.16500000 | | 7K60FXE |
| 1 | 1 | 156.16500000 | | 7K60FXW |
| 1 | 1 | 156.16500000 | | 7K60FXD |
| 2 | 1 | 156.16500000 | | 7K60FXD |
| 2 | 1 | 156.16500000 | | 11K0F3E |
| 2 | 1 | 156.16500000 | | 7K60FXW |
| 2 | 1 | 156.16500000 | | 7K60FXE |
| 5 | 2 | 156.16500000 | | 7K60FXW |
| 5 | 2 | 156.16500000 | | 7K60FXD |
| 5 | 2 | 156.16500000 | | 7K60FXE |
| 6 | 1 | 156.16500000 | | 7K60FXW |
| 6 | 1 | 156.16500000 | | 7K60FXD |
| 6 | 1 | 156.16500000 | | 7K60FXE |
| 7 | 2 | 156.16500000 | | 7K60FXD |
| 7 | 2 | 156.16500000 | | 7K60FXE |
| 7 | 2 | 156.16500000 | | 7K60FXW |
| 3 | 1 | 158.88750000 | | 7K60FXW |
| 3 | 1 | 158.88750000 | | 7K60FXE |
| 3 | 1 | 158.88750000 | | 7K60FXD |
| 8 | 1 | 158.88750000 | | 7K60FXW |
| 8 | 1 | 158.88750000 | | 7K60FXD |
| 8 | 1 | 158.88750000 | | 7K60FXE |
| 2 | 1 | 159.12000000 | | 7K60FXW |
| 2 | 1 | 159.12000000 | | 11K0F3E |
| 2 | 1 | 159.12000000 | | 7K60FXE |
| 2 | 1 | 159.12000000 | | 7K60FXD |
| 3 | 1 | 159.12000000 | | 11K0F3E |
| 3 | 1 | 159.12000000 | | 7K60FXW |
| 3 | 1 | 159.12000000 | | 7K60FXD |
| 3 | 1 | 159.12000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1601 YGNACIO VALLEY RD, WALNUT CREEK, CONTRA COSTA, CA | 37.91327778, -122.04100000 | 61.000 m | BANT | 30.000 m structure / 33.000 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | CONTRA COSTA, CA | | | | | N |
| 4 | T | | | | | | N |
| 5 | T | Ridge Top Trail, WALNUT CREEK, CONTRA COSTA, CA | 37.89086111, -122.00533333 | 216.000 m | LTOWER | 6.100 m structure / 12.200 m overall | N |
| 6 | T | 511 Lawrence Way, WALNUT CREEK, CONTRA COSTA, CA | 37.91652778, -122.06391667 | 36.000 m | BTWR | 19.800 m structure / 25.900 m overall | N |
| 7 | T | BROOKWOOD (EAGLE) RESERVOIR, GABLE LANE, LAFAYETTE, CONTRA COSTA, CA | 37.92447222, -122.10847222 | 205.000 m | LTOWER | 7.600 m structure / 13.700 m overall | N |
| 8 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 33.000 m | | | | -96.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 12.200 m | | | | 22.000 | |
| 1 | 6 | T | | 25.900 m | | | | -111.000 | |
| 1 | 7 | T | | 13.700 m | | | | 69.900 | |
| 1 | 8 | T | | | | | | | |
| 2 | 5 | T | | 12.200 m | V | 5.0000 | 0.0000 | 22.000 | |
| 2 | 7 | T | | 13.700 m | V | 5.0000 | 0.0000 | 69.900 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1601 YGNACIO VALLEY RD, WALNUT CREEK, CA | CONTRA COSTA | 5109435800 |
License history
| Date | File or call sign | Action |
|---|
| 2021-11-17 | WYK413 | LIREN |
| 2021-11-15 | WYK413 | LETRES |
| 2021-11-09 | WYK413 | ESURNW |
| 2019-03-14 | WYK413 | LIAUA |
| 2017-08-21 | WYK413 | LIMOD |
| 2015-02-02 | WYK413 | LIMOD |
| 2013-03-05 | WYK413 | LIMOD |
| 2012-02-03 | WYK413 | LIREN |
| 2011-11-14 | WYK413 | LETRES |
| 2010-08-04 | WYK413 | LIMOD |
| 2010-06-07 | WYK413 | ESCAPR |
| 2002-03-18 | WYK413 | AUDOPR |
| 2001-12-19 | WYK413 | LIREN |
| 2001-11-13 | WYK413 | LETRES |
| 2000-10-20 | WYK413 | LICCNV |
| 1996-11-20 | WYK413 | LIREN |
| 1996-11-20 | WYK413 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1203047 | 2026-08-02 01:17:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WYK413 | ULS 1203047 | 2026-08-02 01:17:17 |
| Status | A | ULS 1203047 | 2026-08-02 01:17:17 |
| Service | PW | ULS 1203047 | 2026-08-02 01:17:17 |
| Grant Date | 2021-11-17 | ULS 1203047 | 2026-08-02 01:17:17 |
| Expiration Date | 2032-02-07 | ULS 1203047 | 2026-08-02 01:17:17 |