Universal Licensing System
WPNQ761
Eco Services Operations Corp.
License details
| ULS identifier | 1804804 |
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| Call sign | WPNQ761 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-05-06 |
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| Expiration | 2024-05-07 |
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| Cancellation | 2024-07-13 |
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| Frequency range | 451.725 - 468.5625 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | MARTINEZ, CONTRA COSTA, CA |
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| Coordinates | 38.0285556, -122.1136667 |
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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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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.72500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.72500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 463.56250000 | | | 40.000000 | 26.000000 | |
| 3 | 1 | MO | 463.56250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 468.56250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 11K2F3E |
| 1 | 1 | 456.72500000 | | 11K2F3E |
| 2 | 1 | 463.56250000 | | 7K60FXE |
| 3 | 1 | 463.56250000 | | 7K60FXE |
| 3 | 1 | 468.56250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ALAMO, CONTRA COSTA, CA | 37.88075000, -121.91830556 | | | | N |
| 2 | | 100 MOCOCO RD, MARTINEZ, CONTRA COSTA, CA | 38.02855556, -122.11366667 | 7.000 m | BANT | 6.000 m structure / 8.000 m overall | N |
| 3 | | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | | | 8.000 m | | | | -64.000 | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 100 MOCOCO RD, MARTINEZ, CA | CONTRA COSTA | 9253138203 |
License history
| Date | File or call sign | Action |
|---|
| 2024-07-13 | WPNQ761 | LIEXP |
| 2021-08-04 | WPNQ761 | LITRAN |
| 2020-01-17 | WPNQ761 | LIAUA |
| 2016-05-14 | WPNQ761 | LITRAN |
| 2016-05-05 | WPNQ761 | LIASS |
| 2016-03-25 | WPNQ761 | ESUAPR |
| 2015-03-19 | WPNQ761 | LIAUA |
| 2015-03-18 | WPNQ761 | ESUAPR |
| 2014-12-01 | WPNQ761 | LIASS |
| 2014-11-21 | WPNQ761 | LTSAPR |
| 2014-05-06 | WPNQ761 | LIREN |
| 2014-04-22 | WPNQ761 | LTSAPR |
| 2014-02-10 | WPNQ761 | LETRES |
| 2013-10-23 | WPNQ761 | LTSAPR |
| 2013-10-17 | WPNQ761 | LIAUA |
| 2011-09-09 | WPNQ761 | LTSAPR |
| 2011-09-07 | WPNQ761 | LITRAN |
| 2011-05-19 | WPNQ761 | LIMOD |
| 2011-04-04 | WPNQ761 | ESUAPR |
| 2010-08-10 | WPNQ761 | LETCNS |
| 2009-11-06 | WPNQ761 | LIMOD |
| 2006-01-12 | WPNQ761 | LTSAPR |
| 2006-01-12 | WPNQ761 | LIAUA |
| 2004-03-20 | WPNQ761 | LIREN |
| 2004-03-17 | WPNQ761 | LTSFRN |
| 2004-02-09 | WPNQ761 | LETRES |
| 2002-03-08 | WPNQ761 | AUDOPR |
| 2000-11-23 | WPNQ761 | LICCNV |
| 2000-01-26 | WPNQ761 | AUTHPR |
| 2000-01-26 | WPNQ761 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1804804 | 2026-08-02 01:22:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNQ761 | ULS 1804804 | 2026-08-02 01:22:03 |
| Status | E | ULS 1804804 | 2026-08-02 01:22:03 |
| Service | IG | ULS 1804804 | 2026-08-02 01:22:03 |
| Grant Date | 2014-05-06 | ULS 1804804 | 2026-08-02 01:22:03 |
| Expiration Date | 2024-05-07 | ULS 1804804 | 2026-08-02 01:22:03 |
| Cancellation Date | 2024-07-13 | ULS 1804804 | 2026-08-02 01:22:03 |