Universal Licensing System
WRJK890
MASTER METER INC.
License details
| ULS identifier | 4333407 |
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| Call sign | WRJK890 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-09-17 |
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| Expiration | 2030-09-17 |
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| Frequency range | 452.46875 - 457.46875 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | OAK RIDGE NORTH, MONTGOMERY, TX |
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| Coordinates | 30.1573611, -95.4441944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXOT | 452.46875000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | FXO | 452.46875000 | | | 20.000000 | 20.000000 | |
| 1 | 1 | FXOT | 457.46875000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.46875000 | | 5K10F2D |
| 2 | 1 | 452.46875000 | | 5K10F1D |
| 1 | 1 | 457.46875000 | | 5K10F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | OAK RIDGE NORTH, MONTGOMERY, TX | 30.15713889, -95.43825000 | | | | |
| 2 | T | ROBEINSON TANK, OAK RIDGE NORTH, MONTGOMERY, TX | 30.15736111, -95.44419444 | 40.000 m | TANK | 27.400 m structure / 27.400 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 27.400 m | | | | 28.900 | |
Control points
| Number | Address | County | Phone |
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| 1 | 101 REGENCY PARKWAY, MANSFIELD, TX | TARRANT | 8178428113 |
License history
| Date | File or call sign | Action |
|---|
| 2022-03-10 | WRJK890 | LIMOD |
| 2020-09-17 | WRJK890 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4333407 | 2026-08-02 01:19:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRJK890 | ULS 4333407 | 2026-08-02 01:19:48 |
| Status | A | ULS 4333407 | 2026-08-02 01:19:48 |
| Service | IG | ULS 4333407 | 2026-08-02 01:19:48 |
| Grant Date | 2020-09-17 | ULS 4333407 | 2026-08-02 01:19:48 |
| Expiration Date | 2030-09-17 | ULS 4333407 | 2026-08-02 01:19:48 |