Universal Licensing System
WIK583
WILLIAMS ENTERPRISES INC DBA A 1 PLUMBING & HEATING
License details
| ULS identifier | 1645065 |
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| Call sign | WIK583 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-10-28 |
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| Expiration | 2001-08-09 |
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| Cancellation | 2001-10-14 |
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| Frequency range | 483.8375 - 486.8375 MHz (2 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:04 |
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Licensee
| Name | WILLIAMS ENTERPRISES INC DBA A 1 PLUMBING & HEATING |
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| Applicant type | C |
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| Location | REDWOOD CITY, CA |
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| Address | 265 FAIR OAKS, REDWOOD CITY, CA, 94063 |
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| Phone | 4153694052 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 483.83750000 | | | 90.000000 | 115.000000 | |
| 2 | 1 | FX1 | 486.83750000 | | | 70.000000 | 123.000000 | |
| 3 | 1 | MO | 486.83750000 | | | 39.000000 | 76.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 483.83750000 | | 20K0F3E |
| 2 | 1 | 486.83750000 | | 20K0F3E |
| 3 | 1 | 486.83750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MONUMENT RIDGE, FREMONT, ALAMEDA, CA | 37.48966667, -121.86605556 | 805.000 m | TOWER | 58.000 m structure / 58.000 m overall | N |
| 2 | T | 2645 FAIR OAKS, REDWOOD CITY, SAN MATEO, CA | 37.48161111, -121.20994444 | 8.000 m | B | 8.000 m structure / 8.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 58.000 m | | | | 626.000 | |
| 1 | 2 | T | | 8.000 m | | | | -76.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2645 FAIR OAKS, REDWOOD CITY, CA | | 4153694052 |
License history
| Date | File or call sign | Action |
|---|
| 2001-12-06 | WIK583 | LETAUS |
| 2001-10-14 | WIK583 | LIEXP |
| 2001-05-14 | WIK583 | LETRES |
| 2000-11-23 | WIK583 | LICCNV |
| 1997-10-29 | WIK583 | AUTHPR |
| 1997-10-28 | WIK583 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645065 | 2026-08-02 01:28:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIK583 | ULS 1645065 | 2026-08-02 01:28:04 |
| Status | E | ULS 1645065 | 2026-08-02 01:28:04 |
| Service | IG | ULS 1645065 | 2026-08-02 01:28:04 |
| Grant Date | 1997-10-28 | ULS 1645065 | 2026-08-02 01:28:04 |
| Expiration Date | 2001-08-09 | ULS 1645065 | 2026-08-02 01:28:04 |
| Cancellation Date | 2001-10-14 | ULS 1645065 | 2026-08-02 01:28:04 |