Universal Licensing System
WRMM353
Epsilon Systems Solutions, Inc
License details
| ULS identifier | 4443012 |
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| Call sign | WRMM353 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-05-01 |
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| Expiration | 2031-05-01 |
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| Frequency range | 451.6875 - 464.025 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | NATIONAL CITY, SAN DIEGO, CA |
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| Coordinates | 32.6614722, -117.1126667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.68750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.81250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 456.68750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.63750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.81250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB | 464.02500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 464.02500000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.68750000 | | 7K60FXE |
| 3 | 1 | 452.81250000 | | 7K60FXE |
| 3 | 1 | 456.68750000 | | 7K60FXE |
| 3 | 1 | 457.63750000 | | 7K60FXE |
| 3 | 1 | 457.81250000 | | 7K60FXE |
| 1 | 1 | 464.02500000 | | 7K60FXE |
| 2 | 1 | 464.02500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2101 HAFFLEY AVE, NATIONAL CITY, SAN DIEGO, CA | 32.66147222, -117.11266667 | 5.000 m | BANT | 3.400 m structure / 6.100 m overall | |
| 2 | T | | | | | | |
| 3 | T | National City, SAN DIEGO, CA | 32.66147222, -117.11266667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.100 m | | | | -33.200 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2101 HAFFLEY AVE, NATIONAL CITY, CA | SAN DIEGO | 6194743252 |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-01 | WRMM353 | LETCNS |
| 2021-05-01 | WRMM353 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4443012 | 2026-08-02 01:22:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMM353 | ULS 4443012 | 2026-08-02 01:22:32 |
| Status | A | ULS 4443012 | 2026-08-02 01:22:32 |
| Service | IG | ULS 4443012 | 2026-08-02 01:22:32 |
| Grant Date | 2021-05-01 | ULS 4443012 | 2026-08-02 01:22:32 |
| Expiration Date | 2031-05-01 | ULS 4443012 | 2026-08-02 01:22:32 |