Universal Licensing System
WPTJ638
LEMON GROVE SCHOOL DISTRICT
License details
| ULS identifier | 2357343 |
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| Call sign | WPTJ638 |
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| Radio service | MW |
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| Status | E |
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| Grant date | 2011-08-12 |
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| Expiration | 2021-10-16 |
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| Cancellation | 2021-12-18 |
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| Frequency range | 17920 - 18040 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | LEMON GROVE, SAN DIEGO, CA |
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| Coordinates | 32.7169722, -117.0330833 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17920.00000000 | | | | | |
| 1 | 2 | FXO | 18040.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17920.00000000 | | 40M0D7W |
| 1 | 2 | 18040.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 550 CANTON DRIVE, LEMON GROVE, SAN DIEGO, CA | 32.71697222, -117.03308333 | 134.100 m | BPOLE | 6.400 m structure / 7.900 m overall | |
| 2 | R | | 32.73111111, -117.04613889 | 109.700 m | | | |
| 3 | R | | 32.73780556, -117.02586111 | 131.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES HP2-18 | | V | 38.6000 | 322.0000 | | |
| 1 | 2 | R | RADIO WAVES HP2-18 | | | 38.6000 | | | |
| 1 | 3 | R | RADIO WAVES, INC HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | RADIO WAVES INC. HP2-18 | | V | 38.6000 | 16.3000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | 8025 LINCOLN STREET, LEMON GROVE, CA | SAN DIEGO | 6198255734 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-18 | WPTJ638 | LIEXP |
| 2021-10-06 | WPTJ638 | ESURNW |
| 2021-09-16 | WPTJ638 | ESURNW |
| 2021-08-17 | WPTJ638 | ESURNW |
| 2021-07-26 | WPTJ638 | LETRES |
| 2017-12-21 | WPTJ638 | LIAUA |
| 2011-08-12 | WPTJ638 | LIREN |
| 2011-08-11 | WPTJ638 | ESUAPR |
| 2011-07-25 | WPTJ638 | LETRES |
| 2011-07-18 | WPTJ638 | ESURNW |
| 2007-02-05 | WPTJ638 | LIMOD |
| 2006-11-16 | WPTJ638 | ESUAPR |
| 2006-06-14 | WPTJ638 | LIMOD |
| 2006-06-13 | WPTJ638 | ESUAPR |
| 2006-05-12 | WPTJ638 | ESUAPR |
| 2003-01-13 | WPTJ638 | LETCNS |
| 2001-10-16 | WPTJ638 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2357343 | 2026-08-02 02:47:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTJ638 | ULS 2357343 | 2026-08-02 02:47:16 |
| Status | E | ULS 2357343 | 2026-08-02 02:47:16 |
| Service | MW | ULS 2357343 | 2026-08-02 02:47:16 |
| Grant Date | 2011-08-12 | ULS 2357343 | 2026-08-02 02:47:16 |
| Expiration Date | 2021-10-16 | ULS 2357343 | 2026-08-02 02:47:16 |
| Cancellation Date | 2021-12-18 | ULS 2357343 | 2026-08-02 02:47:16 |