Universal Licensing System
WPTD831
SIERRA HIGH SCHOOL OF THE MANTECA UNIFIED SCHOOL DIST.
License details
| ULS identifier | 2349257 |
|---|
| Call sign | WPTD831 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-09-01 |
|---|
| Expiration | 2031-09-06 |
|---|
| Frequency range | 464.775 - 469.775 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | MANTECA, SAN JOAQUIN, CA |
|---|
| Coordinates | 37.7919444, -121.2438889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:41 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 464.77500000 | | | 45.000000 | 90.000000 | |
| 2 | 1 | MO | 464.77500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.77500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.77500000 | | 7K60FXF |
| 1 | 1 | 464.77500000 | | 11K2F3E |
| 1 | 1 | 464.77500000 | | 7K60FXE |
| 2 | 1 | 464.77500000 | | 7K60FXF |
| 2 | 1 | 464.77500000 | | 7K60FXE |
| 2 | 1 | 464.77500000 | | 11K2F3E |
| 2 | 1 | 469.77500000 | | 7K60FXE |
| 2 | 1 | 469.77500000 | | 7K60FXF |
| 2 | 1 | 469.77500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1700 THOMAS STREET, MANTECA, SAN JOAQUIN, CA | 37.79194444, -121.24388889 | 6.000 m | BMAST | 17.100 m structure / 21.600 m overall | |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 21.600 m | V | 3.0000 | 0.0000 | 17.900 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1700 THOMAS ST, MANTECA, CA | SAN JOAQUIN | 2098253175 |
License history
| Date | File or call sign | Action |
|---|
| 2021-09-01 | WPTD831 | LIREN |
| 2021-06-14 | WPTD831 | LETRES |
| 2019-11-05 | WPTD831 | LIMOD |
| 2011-09-07 | WPTD831 | ESUAPR |
| 2011-09-06 | WPTD831 | EFUAPR |
| 2011-09-02 | WPTD831 | LIREN |
| 2011-09-01 | WPTD831 | ESUAPR |
| 2011-08-27 | WPTD831 | ESURNW |
| 2011-08-07 | WPTD831 | ESURNW |
| 2011-07-08 | WPTD831 | ESURNW |
| 2011-06-13 | WPTD831 | LETRES |
| 2011-06-08 | WPTD831 | ESURNW |
| 2008-11-11 | WPTD831 | LIAUA |
| 2008-11-10 | WPTD831 | ESUAPR |
| 2002-09-26 | WPTD831 | COR |
| 2002-06-03 | WPTD831 | LETCNS |
| 2001-09-06 | WPTD831 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2349257 | 2026-08-02 01:11:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTD831 | ULS 2349257 | 2026-08-02 01:11:41 |
| Status | A | ULS 2349257 | 2026-08-02 01:11:41 |
| Service | IG | ULS 2349257 | 2026-08-02 01:11:41 |
| Grant Date | 2021-09-01 | ULS 2349257 | 2026-08-02 01:11:41 |
| Expiration Date | 2031-09-06 | ULS 2349257 | 2026-08-02 01:11:41 |