Universal Licensing System
WRDM456
James Dukes Elementary School
License details
| ULS identifier | 4166879 |
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| Call sign | WRDM456 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-06-04 |
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| Expiration | 2029-06-04 |
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| Frequency range | 452.9875 - 457.9875 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | RAMONA, SAN DIEGO, CA |
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| Coordinates | 33.0091111, -116.7913056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.98750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 457.98750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.98750000 | | 11K2F1E |
| 1 | 1 | 452.98750000 | | 11K2F3E |
| 1 | 1 | 457.98750000 | | 11K2F3E |
| 1 | 1 | 457.98750000 | | 11K2F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | RAMONA, SAN DIEGO, CA | 33.00911111, -116.79130556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 24908 ABALAR WAY, RAMONA, CA | SAN DIEGO | 7607885060 |
License history
| Date | File or call sign | Action |
|---|
| 2020-03-03 | WRDM456 | LETCNS |
| 2019-06-04 | WRDM456 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4166879 | 2026-08-02 01:22:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDM456 | ULS 4166879 | 2026-08-02 01:22:53 |
| Status | A | ULS 4166879 | 2026-08-02 01:22:53 |
| Service | IG | ULS 4166879 | 2026-08-02 01:22:53 |
| Grant Date | 2019-06-04 | ULS 4166879 | 2026-08-02 01:22:53 |
| Expiration Date | 2029-06-04 | ULS 4166879 | 2026-08-02 01:22:53 |