Universal Licensing System
WRKN390
JMG SECURITY SYSTEMS, INC.
License details
| ULS identifier | 4378668 |
|---|
| Call sign | WRKN390 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-01-22 |
|---|
| Expiration | 2031-01-22 |
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| Frequency range | 460.9875 - 465.975 MHz (4 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | SAN LUIS OBISPO, SAN LUIS OBISPO, CA |
|---|
| Coordinates | 35.2536111, -120.6391667 |
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| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:04 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 460.98750000 | | | 2.000000 | 2.000000 | |
| 1 | 2 | MO | 465.95000000 | | | 60.000000 | 60.000000 | |
| 2 | 2 | MO | 465.95000000 | | | 2.000000 | 2.000000 | |
| 3 | 2 | MO | 465.95000000 | | | 60.000000 | 60.000000 | |
| 4 | 2 | MO | 465.95000000 | | | 60.000000 | 60.000000 | |
| 1 | 1 | MO | 465.96250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 465.96250000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 465.96250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 465.96250000 | | | 2.000000 | 2.000000 | |
| 1 | 3 | MO | 465.97500000 | | | 60.000000 | 60.000000 | |
| 2 | 3 | MO | 465.97500000 | | | 60.000000 | 60.000000 | |
| 3 | 3 | MO | 465.97500000 | | | 60.000000 | 60.000000 | |
| 4 | 3 | MO | 465.97500000 | | | 60.000000 | 60.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 460.98750000 | | 11K2F2D |
| 1 | 2 | 465.95000000 | | 11K2F3E |
| 2 | 2 | 465.95000000 | | 11K2F3E |
| 3 | 2 | 465.95000000 | | 11K2F3E |
| 4 | 2 | 465.95000000 | | 11K2F3E |
| 1 | 1 | 465.96250000 | | 11K2F2D |
| 2 | 1 | 465.96250000 | | 11K2F2D |
| 3 | 1 | 465.96250000 | | 11K2F2D |
| 4 | 1 | 465.96250000 | | 11K2F2D |
| 1 | 3 | 465.97500000 | | 11K2F2E |
| 2 | 3 | 465.97500000 | | 11K2F3E |
| 3 | 3 | 465.97500000 | | 11K2F3E |
| 4 | 3 | 465.97500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | FOUNTIN VALLEY, ORANGE, CA | 33.71750000, -117.92666667 | | | | |
| 2 | T | ESCONDIDO, SAN DIEGO, CA | 33.11352778, -117.11488889 | | | | N |
| 3 | T | OXNARD, VENTURA, CA | 34.22594444, -119.15250000 | | | | N |
| 4 | T | SAN LUIS OBISPO, SAN LUIS OBISPO, CA | 35.25361111, -120.63916667 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 2 | 1 | T | | | | | | | |
| 2 | 2 | T | | | | | | | |
| 2 | 3 | T | | | | | | | |
| 2 | 4 | T | | | | | | | |
| 3 | 1 | T | | | | | | | |
| 3 | 2 | T | | | | | | | |
| 3 | 3 | T | | | | | | | |
| 3 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 17150 NEWHOPE ST, SUITE 109, FOUNTAIN VALLEY, CA | ORANGE | 7145450352 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-10 | WRKN390 | FRATRM |
| 2023-10-04 | WRKN390 | LETTRS |
| 2023-10-04 | WRKN390 | PNLISR |
| 2023-05-31 | WRKN390 | LETCNS |
| 2023-05-19 | WRKN390 | LIMOD |
| 2023-02-24 | WRKN390 | LIMOD |
| 2022-08-31 | WRKN390 | LIMOD |
| 2021-10-26 | WRKN390 | LETCNS |
| 2021-01-22 | WRKN390 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4378668 | 2026-08-02 01:22:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKN390 | ULS 4378668 | 2026-08-02 01:22:04 |
| Status | A | ULS 4378668 | 2026-08-02 01:22:04 |
| Service | IG | ULS 4378668 | 2026-08-02 01:22:04 |
| Grant Date | 2021-01-22 | ULS 4378668 | 2026-08-02 01:22:04 |
| Expiration Date | 2031-01-22 | ULS 4378668 | 2026-08-02 01:22:04 |