Universal Licensing System
WPRK745
Ellis Surveying Services, LLC
License details
| ULS identifier | 1832344 |
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| Call sign | WPRK745 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2015-10-02 |
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| Expiration | 2025-11-03 |
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| Cancellation | 2026-01-03 |
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| Frequency range | 461.025 - 464.75 MHz (13 frequencies) |
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| Locations | 2 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:08 |
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Licensee
| Name | Ellis Surveying Services, LLC |
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| Applicant type | L |
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| FRN | 0024889065 |
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| Location | Houston, TX |
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| Address | 1003 Woodhorn, Houston, TX, 77062 |
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| Phone | 2814868567 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FBT | 461.02500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 461.07500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 461.10000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 462.12500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 462.37500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 462.40000000 | | | 35.000000 | | |
| 2 | 1 | FBI | 464.50000000 | | | 35.000000 | | |
| 2 | 1 | FBI | 464.55000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.60000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.62500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.65000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.72500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.75000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.02500000 | | 11K2F1D |
| 1 | 1 | 461.07500000 | | 11K2F1D |
| 1 | 1 | 461.10000000 | | 11K2F1D |
| 1 | 1 | 462.12500000 | | 11K2F1D |
| 1 | 1 | 462.37500000 | | 11K2F1D |
| 1 | 1 | 462.40000000 | | 11K2F1D |
| 2 | 1 | 464.50000000 | | 11K2F1D |
| 2 | 1 | 464.55000000 | | 11K2F1D |
| 1 | 1 | 464.60000000 | | 11K2F1D |
| 1 | 1 | 464.62500000 | | 11K2F1D |
| 1 | 1 | 464.65000000 | | 11K2F1D |
| 1 | 1 | 464.72500000 | | 11K2F1D |
| 1 | 1 | 464.75000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1003 WOODHORN, HOUSTON, TX | HARRIS | 2814868567 |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-03 | WPRK745 | LIEXP |
| 2025-08-11 | WPRK745 | LETRES |
| 2015-10-02 | WPRK745 | LIREN |
| 2015-09-21 | WPRK745 | LIASS |
| 2015-09-16 | WPRK745 | ESCAPR |
| 2015-08-10 | WPRK745 | LETRES |
| 2014-12-16 | WPRK745 | LIMOD |
| 2005-08-18 | WPRK745 | LIREN |
| 2005-08-18 | WPRK745 | LTSFRN |
| 2005-08-17 | WPRK745 | ESCAPR |
| 2005-08-08 | WPRK745 | LETRES |
| 2000-11-23 | WPRK745 | LICCNV |
| 2000-11-03 | WPRK745 | LIISS |
| 2000-11-03 | WPRK745 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1832344 | 2026-08-02 01:21:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPRK745 | ULS 1832344 | 2026-08-02 01:21:08 |
| Status | E | ULS 1832344 | 2026-08-02 01:21:08 |
| Service | IG | ULS 1832344 | 2026-08-02 01:21:08 |
| Grant Date | 2015-10-02 | ULS 1832344 | 2026-08-02 01:21:08 |
| Expiration Date | 2025-11-03 | ULS 1832344 | 2026-08-02 01:21:08 |
| Cancellation Date | 2026-01-03 | ULS 1832344 | 2026-08-02 01:21:08 |