Universal Licensing System
WPHK604
Eco Services Operations Corp.
License details
| ULS identifier | 1907895 |
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| Call sign | WPHK604 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-03-29 |
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| Expiration | 2035-06-13 |
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| Frequency range | 451.675 - 456.675 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | HAMMOND, LAKE, IN |
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| Coordinates | 41.6096667, -87.4795278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:03 |
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Licensee
| Name | Eco Services Operations Corp. |
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| Applicant type | C |
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| FRN | 0025365693 |
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| Location | The Woodlands, TX |
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| Address | 2002 Timberloch Place, Suite 300, The Woodlands, TX, 77380 |
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| Phone | 8448121812 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.67500000 | | | 15.000000 | 15.000000 | |
| 2 | 1 | MO | 451.67500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.67500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.67500000 | | 7K60FXE |
| 1 | 1 | 451.67500000 | | 7K60FXD |
| 1 | 1 | 451.67500000 | | 11K2F3E |
| 2 | 1 | 451.67500000 | | 11K2F3E |
| 2 | 1 | 451.67500000 | | 7K60FXE |
| 2 | 1 | 451.67500000 | | 7K60FXD |
| 2 | 1 | 456.67500000 | | 7K60FXE |
| 2 | 1 | 456.67500000 | | 7K60FXD |
| 2 | 1 | 456.67500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2000 MICHIGAN ST, HAMMOND, LAKE, IN | 41.60966667, -87.47952778 | 180.000 m | B | 6.000 m structure / 8.000 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | 5.800 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2000 MICHIGAN ST, HAMMOND, IN | LAKE | 2199327651 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-29 | WPHK604 | LIREN |
| 2025-03-17 | WPHK604 | LETRES |
| 2023-09-21 | WPHK604 | LIMOD |
| 2021-08-04 | WPHK604 | LITRAN |
| 2020-01-17 | WPHK604 | LIAUA |
| 2016-05-14 | WPHK604 | LITRAN |
| 2016-05-05 | WPHK604 | LIASS |
| 2016-03-25 | WPHK604 | ESUAPR |
| 2015-07-20 | WPHK604 | LIREN |
| 2015-07-10 | WPHK604 | ESUAPR |
| 2015-04-13 | WPHK604 | LETRES |
| 2015-04-09 | WPHK604 | LIMOD |
| 2015-04-08 | WPHK604 | ESUAPR |
| 2015-03-18 | WPHK604 | ESUAPR |
| 2014-12-01 | WPHK604 | LIASS |
| 2014-11-21 | WPHK604 | LTSAPR |
| 2013-10-23 | WPHK604 | LTSAPR |
| 2013-10-17 | WPHK604 | LIAUA |
| 2011-09-09 | WPHK604 | LTSAPR |
| 2011-09-07 | WPHK604 | LITRAN |
| 2011-05-19 | WPHK604 | LIMOD |
| 2011-04-05 | WPHK604 | LTSAPR |
| 2006-01-12 | WPHK604 | LIAUA |
| 2006-01-12 | WPHK604 | LTSAPR |
| 2005-04-09 | WPHK604 | LIREN |
| 2005-04-07 | WPHK604 | LTSFRN |
| 2005-04-07 | WPHK604 | LTSAPR |
| 2005-03-21 | WPHK604 | LETRES |
| 2002-03-08 | WPHK604 | AUDOPR |
| 2000-11-24 | WPHK604 | LICCNV |
| 2000-02-25 | WPHK604 | AUTHPR |
| 2000-02-25 | WPHK604 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1907895 | 2026-08-02 01:22:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPHK604 | ULS 1907895 | 2026-08-02 01:22:03 |
| Status | A | ULS 1907895 | 2026-08-02 01:22:03 |
| Service | IG | ULS 1907895 | 2026-08-02 01:22:03 |
| Grant Date | 2025-03-29 | ULS 1907895 | 2026-08-02 01:22:03 |
| Expiration Date | 2035-06-13 | ULS 1907895 | 2026-08-02 01:22:03 |