Universal Licensing System
WPRH631
GREAT LAKES DREDGE & DOCK CO
License details
| ULS identifier | 1830610 |
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| Call sign | WPRH631 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-09-25 |
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| Expiration | 2005-09-25 |
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| Cancellation | 2006-01-07 |
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| Frequency range | 467.75 - 467.8 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | GALVESTON, TX |
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| Coordinates | 29.2930278, -94.8143611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:21 |
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Licensee
| Name | GREAT LAKES DREDGE & DOCK CO |
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| Applicant type | C |
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| FRN | 0011437274 |
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| Location | OAK BROOK, IL |
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| Address | 2122 YORK RD, OAK BROOK, IL, 60523 |
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| Phone | 6305742998 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 467.75000000 | | | 2.000000 | | |
| 2 | 1 | MO | 467.75000000 | | | 2.000000 | | |
| 3 | 1 | MO | 467.75000000 | | | 2.000000 | | |
| 1 | 1 | MO | 467.77500000 | | | 2.000000 | | |
| 2 | 1 | MO | 467.77500000 | | | 2.000000 | | |
| 3 | 1 | MO | 467.77500000 | | | 2.000000 | | |
| 1 | 1 | MO | 467.80000000 | | | 2.000000 | | |
| 2 | 1 | MO | 467.80000000 | | | 2.000000 | | |
| 3 | 1 | MO | 467.80000000 | | | 2.000000 | | |
| 1 | 1 | MO | 467.82500000 | | | 2.000000 | | |
| 2 | 1 | MO | 467.82500000 | | | 2.000000 | | |
| 3 | 1 | MO | 467.82500000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 467.75000000 | | 20K0F3E |
| 1 | 1 | 467.75000000 | | 20K0F1D |
| 2 | 1 | 467.75000000 | | 20K0F1D |
| 2 | 1 | 467.75000000 | | 20K0F3E |
| 3 | 1 | 467.75000000 | | 20K0F3E |
| 3 | 1 | 467.75000000 | | 20K0F1D |
| 1 | 1 | 467.77500000 | | 20K0F3E |
| 1 | 1 | 467.77500000 | | 20K0F1D |
| 2 | 1 | 467.77500000 | | 20K0F1D |
| 2 | 1 | 467.77500000 | | 20K0F3E |
| 3 | 1 | 467.77500000 | | 20K0F3E |
| 3 | 1 | 467.77500000 | | 20K0F1D |
| 1 | 1 | 467.80000000 | | 20K0F3E |
| 1 | 1 | 467.80000000 | | 20K0F1D |
| 2 | 1 | 467.80000000 | | 20K0F1D |
| 2 | 1 | 467.80000000 | | 20K0F3E |
| 3 | 1 | 467.80000000 | | 20K0F3E |
| 3 | 1 | 467.80000000 | | 20K0F1D |
| 1 | 1 | 467.82500000 | | 20K0F1D |
| 1 | 1 | 467.82500000 | | 20K0F3E |
| 2 | 1 | 467.82500000 | | 20K0F1D |
| 2 | 1 | 467.82500000 | | 20K0F3E |
| 3 | 1 | 467.82500000 | | 20K0F1D |
| 3 | 1 | 467.82500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GALVESTON, TX | 29.29302778, -94.81436111 | | | | |
| 2 | T | VA | 36.85513889, -76.29050000 | | | | |
| 3 | T | PR | 18.41744444, -66.09127778 | | | | |
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 | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | | | 6305742998 |
License history
| Date | File or call sign | Action |
|---|
| 2006-01-07 | WPRH631 | LIEXP |
| 2005-08-04 | WPRH631 | LTSFRN |
| 2005-07-04 | WPRH631 | LETRES |
| 2001-09-27 | WPRH631 | AUDOPR |
| 2000-11-23 | WPRH631 | LICCNV |
| 2000-09-25 | WPRH631 | LIISS |
| 2000-09-25 | WPRH631 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1830610 | 2026-08-02 01:17:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRH631 | ULS 1830610 | 2026-08-02 01:17:21 |
| Status | E | ULS 1830610 | 2026-08-02 01:17:21 |
| Service | IG | ULS 1830610 | 2026-08-02 01:17:21 |
| Grant Date | 2000-09-25 | ULS 1830610 | 2026-08-02 01:17:21 |
| Expiration Date | 2005-09-25 | ULS 1830610 | 2026-08-02 01:17:21 |
| Cancellation Date | 2006-01-07 | ULS 1830610 | 2026-08-02 01:17:21 |