Universal Licensing System
WNZX952
ENVIRONMENTAL CONSTRUCTION SERVICE
License details
| ULS identifier | 1698498 |
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| Call sign | WNZX952 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-06-04 |
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| Expiration | 2002-07-13 |
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| Cancellation | 2002-11-17 |
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| Frequency range | 461.9 MHz |
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| Locations | 1 |
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| Representative location | MONTGOMERY, MD |
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| Coordinates | 39.1965000, -77.1274722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:44 |
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Licensee
| Name | ENVIRONMENTAL CONSTRUCTION SERVICE |
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| Applicant type | C |
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| FRN | 0001837756 |
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| Location | LAYTONSVILLE, MD |
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| Address | 6001 OLNEY LAYTONSVILLE RD, LAYTONSVILLE, MD, 20882 |
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| Phone | 3019482223 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MO | 461.90000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 461.90000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MONTGOMERY, MD | 39.19650000, -77.12747222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 6001 OLNEY LAYTONSVILLE RD, LAYTONSVILLE, MD | | 3019482223 |
License history
| Date | File or call sign | Action |
|---|
| 2002-11-17 | WNZX952 | LIEXP |
| 2002-04-19 | WNZX952 | LETAUS |
| 2002-04-15 | WNZX952 | LETRES |
| 2000-11-23 | WNZX952 | LICCNV |
| 1997-06-04 | WNZX952 | LIREN |
| 1997-06-04 | WNZX952 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1698498 | 2026-08-02 01:11:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNZX952 | ULS 1698498 | 2026-08-02 01:11:44 |
| Status | E | ULS 1698498 | 2026-08-02 01:11:44 |
| Service | IG | ULS 1698498 | 2026-08-02 01:11:44 |
| Grant Date | 1997-06-04 | ULS 1698498 | 2026-08-02 01:11:44 |
| Expiration Date | 2002-07-13 | ULS 1698498 | 2026-08-02 01:11:44 |
| Cancellation Date | 2002-11-17 | ULS 1698498 | 2026-08-02 01:11:44 |