Universal Licensing System
WRDN534
ECHO SEISMIC USA INC
License details
| ULS identifier | 4169483 |
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| Call sign | WRDN534 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2019-06-11 |
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| Expiration | 2019-12-08 |
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| Cancellation | 2020-02-08 |
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| Frequency range | 151.505 - 158.4 MHz (5 frequencies) |
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| Locations | 2 |
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| Representative location | OLNEY, RICHLAND, IL |
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| Coordinates | 38.7299722, -88.0853611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:58 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MOI | 151.50500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MOI | 151.62500000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 153.05000000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 153.32000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MOI | 158.40000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 151.50500000 | | 11K2F1D |
| 2 | 1 | 151.50500000 | | 11K2F3E |
| 2 | 1 | 151.62500000 | | 11K2F1D |
| 2 | 1 | 151.62500000 | | 11K2F3E |
| 1 | 1 | 153.05000000 | | 11K2F1D |
| 1 | 1 | 153.05000000 | | 11K2F3E |
| 1 | 1 | 153.32000000 | | 11K2F3E |
| 1 | 1 | 153.32000000 | | 11K2F1D |
| 2 | 1 | 158.40000000 | | 11K2F3E |
| 2 | 1 | 158.40000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | OLNEY, RICHLAND, IL | 38.72997222, -88.08536111 | | | | |
| 2 | T | OLNEY, RICHLAND, IL | 38.72997222, -88.08536111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4833 FRONT STREET, CASTLE ROCK, CO | DOUGLAS | 4032160999 |
Special conditions
| Type | Condition code |
|---|
| P | 5004 |
| T | 1003 |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-08 | WRDN534 | LIEXP |
| 2019-06-11 | WRDN534 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4169483 | 2026-08-02 01:22:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDN534 | ULS 4169483 | 2026-08-02 01:22:58 |
| Status | E | ULS 4169483 | 2026-08-02 01:22:58 |
| Service | IG | ULS 4169483 | 2026-08-02 01:22:58 |
| Grant Date | 2019-06-11 | ULS 4169483 | 2026-08-02 01:22:58 |
| Expiration Date | 2019-12-08 | ULS 4169483 | 2026-08-02 01:22:58 |
| Cancellation Date | 2020-02-08 | ULS 4169483 | 2026-08-02 01:22:58 |