Universal Licensing System
WNIP831
HYMAN ELECTRIC
License details
| ULS identifier | 1657538 |
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| Call sign | WNIP831 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1997-04-10 |
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| Expiration | 2002-04-24 |
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| Cancellation | 2002-02-14 |
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| Frequency range | 463.625 - 468.625 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | BETHESDA, MONTGOMERY, MD |
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| Coordinates | 38.9637222, -77.1046944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:14 |
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Licensee
| Name | HYMAN ELECTRIC |
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| Applicant type | C |
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| Location | SILVER SPRING, MD |
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| Address | 12709 MAPLE ST, SILVER SPRING, MD, 20904 |
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| Phone | 3016221777 |
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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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| 2 | 1 | FB4 | 463.62500000 | | | 110.000000 | 275.000000 | |
| 1 | 1 | FX1 | 468.62500000 | | | 15.000000 | | |
| 3 | 1 | MO | 468.62500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 463.62500000 | | 20K0F3E |
| 1 | 1 | 468.62500000 | | 20K0F3E |
| 3 | 1 | 468.62500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD | | | | | |
| 2 | T | 5202 RIVER RD, BETHESDA, MONTGOMERY, MD | 38.96372222, -77.10469444 | 73.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 192.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12709 MAPLE ST, SILVER SPRING, MD | | 3016221777 |
License history
| Date | File or call sign | Action |
|---|
| 2002-02-14 | WNIP831 | LITERM |
| 2002-01-28 | WNIP831 | LETRES |
| 2001-10-03 | WNIP831 | AUDCAN |
| 2000-11-23 | WNIP831 | LICCNV |
| 1997-04-10 | WNIP831 | LIREN |
| 1997-04-10 | WNIP831 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1657538 | 2026-08-02 01:28:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNIP831 | ULS 1657538 | 2026-08-02 01:28:14 |
| Status | T | ULS 1657538 | 2026-08-02 01:28:14 |
| Service | IG | ULS 1657538 | 2026-08-02 01:28:14 |
| Grant Date | 1997-04-10 | ULS 1657538 | 2026-08-02 01:28:14 |
| Expiration Date | 2002-04-24 | ULS 1657538 | 2026-08-02 01:28:14 |
| Cancellation Date | 2002-02-14 | ULS 1657538 | 2026-08-02 01:28:14 |