Universal Licensing System
WBK457
POTOMAC ELECTRIC POWER COMPANY
License details
| ULS identifier | 1889266 |
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| Call sign | WBK457 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-04-16 |
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| Expiration | 2032-07-01 |
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| Frequency range | 456.025 - 456.25 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | WASHINGTON, DC |
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| Coordinates | 38.8984444, -77.0239444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 456.02500000 | | | 110.000000 | 110.000000 | |
| 1 | 1 | FX1 | 456.05000000 | | | 110.000000 | 110.000000 | |
| 1 | 1 | FX1 | 456.07500000 | | | 110.000000 | 110.000000 | |
| 1 | 1 | FX1 | 456.12500000 | | | 110.000000 | 110.000000 | |
| 1 | 1 | FX1 | 456.15000000 | | | 110.000000 | 110.000000 | |
| 1 | 1 | FX1 | 456.25000000 | | | 75.000000 | 75.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.02500000 | | 11K0F3E |
| 1 | 1 | 456.05000000 | | 11K0F3E |
| 1 | 1 | 456.07500000 | | 11K0F3E |
| 1 | 1 | 456.12500000 | | 11K0F3E |
| 1 | 1 | 456.15000000 | | 11K0F3E |
| 1 | 1 | 456.25000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 701 NINTH ST NW, WASHINGTON, DC | 38.89844444, -77.02394444 | 12.100 m | B | 43.400 m structure / 49.400 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | 36.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3400 BENNING RD NE KENILWORTH, WASHINGTON, DC | | 2023882350 |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-09 | WBK457 | LIAUA |
| 2022-04-16 | WBK457 | LIREN |
| 2022-04-04 | WBK457 | LETRES |
| 2016-04-11 | WBK457 | LIMOD |
| 2016-03-23 | WBK457 | LITRAN |
| 2014-09-22 | WBK457 | ESUAPR |
| 2013-05-09 | WBK457 | LIMOD |
| 2013-01-14 | WBK457 | LIMOD |
| 2012-12-18 | WBK457 | COR |
| 2012-12-18 | WBK457 | AUTHPR |
| 2012-12-18 | WBK457 | INTDUP |
| 2012-12-14 | WBK457 | ESUAPR |
| 2012-10-18 | WBK457 | ESUAPR |
| 2012-04-21 | WBK457 | LIREN |
| 2012-04-09 | WBK457 | LETRES |
| 2011-09-23 | WBK457 | LIAUA |
| 2011-09-22 | WBK457 | ESUAPR |
| 2003-03-25 | WBK457 | LIAUA |
| 2002-08-01 | WBK457 | LITRAN |
| 2002-05-07 | WBK457 | LIREN |
| 2002-04-15 | WBK457 | LETRES |
| 2002-01-24 | WBK457 | LIMOD |
| 2001-12-05 | WBK457 | LIAUA |
| 2001-11-05 | WBK457 | AUDOPR |
| 2000-11-24 | WBK457 | LICCNV |
| 1998-12-15 | WBK457 | AUTHPR |
| 1998-12-15 | WBK457 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1889266 | 2026-08-02 01:10:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WBK457 | ULS 1889266 | 2026-08-02 01:10:20 |
| Status | A | ULS 1889266 | 2026-08-02 01:10:20 |
| Service | IG | ULS 1889266 | 2026-08-02 01:10:20 |
| Grant Date | 2022-04-16 | ULS 1889266 | 2026-08-02 01:10:20 |
| Expiration Date | 2032-07-01 | ULS 1889266 | 2026-08-02 01:10:20 |