Universal Licensing System
WNVT257
TWIN HILLS UNION SCHOOL DISTRICT
License details
| ULS identifier | 1281450 |
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| Call sign | WNVT257 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2011-01-29 |
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| Expiration | 2021-03-13 |
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| Cancellation | 2021-07-17 |
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| Frequency range | 155.22 MHz |
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| Locations | 2 |
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| Representative location | SEBASTOPOL, SONOMA, CA |
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| Coordinates | 38.3893611, -122.8488889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-16 06:49:42 |
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Licensee
| Name | TWIN HILLS UNION SCHOOL DISTRICT |
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| Applicant type | G |
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| FRN | 0004513958 |
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| Location | SEBASTOPOL, CA |
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| Address | 700 WATER TROUGH ROAD, SEBASTOPOL, CA, 95472 |
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| Phone | 7078231041 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 155.22000000 | | | 45.000000 | 85.000000 | |
| 2 | 1 | MO | 155.22000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.22000000 | | 20K0F3E |
| 1 | 1 | 155.22000000 | | 11K2F3E |
| 2 | 1 | 155.22000000 | | 11K2F3E |
| 2 | 1 | 155.22000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 700 WATER TROUGH RD, SEBASTOPOL, SONOMA, CA | 38.38936111, -122.84888889 | 15.000 m | | 2.000 m structure / 2.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 700 WATER TROUGH RD, SEBASTOPOL, CA | | 7078231041 |
License history
| Date | File or call sign | Action |
|---|
| 2021-07-17 | WNVT257 | LIEXP |
| 2020-12-21 | WNVT257 | LETRES |
| 2012-12-14 | WNVT257 | LTSAPR |
| 2012-12-14 | WNVT257 | LIMOD |
| 2011-01-31 | WNVT257 | LTSAPR |
| 2011-01-29 | WNVT257 | LIREN |
| 2010-12-22 | WNVT257 | LETRES |
| 2002-05-13 | WNVT257 | AUDOPR |
| 2001-03-15 | WNVT257 | LIREN |
| 2000-12-20 | WNVT257 | LETRES |
| 2000-10-20 | WNVT257 | LICCNV |
| 1996-02-26 | WNVT257 | LIREN |
| 1996-02-26 | WNVT257 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1281450 | 2026-08-16 06:49:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNVT257 | ULS 1281450 | 2026-08-16 06:49:42 |
| Status | E | ULS 1281450 | 2026-08-16 06:49:42 |
| Service | PW | ULS 1281450 | 2026-08-16 06:49:42 |
| Grant Date | 2011-01-29 | ULS 1281450 | 2026-08-16 06:49:42 |
| Expiration Date | 2021-03-13 | ULS 1281450 | 2026-08-16 06:49:42 |
| Cancellation Date | 2021-07-17 | ULS 1281450 | 2026-08-16 06:49:42 |