Universal Licensing System
KB55756
NATIONAL PUBLIC RADIO
License details
| ULS identifier | 1103840 |
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| Call sign | KB55756 |
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| Radio service | RP |
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| Status | E |
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| Grant date | 1986-10-08 |
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| Expiration | 1988-10-01 |
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| Cancellation | 2000-09-24 |
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| Frequency range | 450.45 - 455.65 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | DC |
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| Coordinates | 38.8942778, -77.0277500 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-02 00:37:48 |
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Licensee
| Name | NATIONAL PUBLIC RADIO |
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| Applicant type | C |
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| Location | WASHINGTON, DC |
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| Address | 2025 M STREET N.W., WASHINGTON, DC, 20036 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 450.45000000 | | | 25.000000 | 59.660000 | |
| 1 | 1 | MO | 450.65000000 | | | 25.000000 | 59.660000 | |
| 1 | 1 | MO | 455.45000000 | | | 25.000000 | 59.660000 | |
| 1 | 1 | MO | 455.65000000 | | | 25.000000 | 59.660000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 450.45000000 | | 50K0F3E |
| 1 | 1 | 450.65000000 | | 50K0F3E |
| 1 | 1 | 455.45000000 | | 50K0F3E |
| 1 | 1 | 455.65000000 | | 50K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DC | 38.89427778, -77.02775000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-09-24 | KB55756 | LIEXP |
| 2000-09-15 | KB55756 | LICCNV |
| 1986-10-08 | KB55756 | LIASS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1103840 | 2026-08-02 00:37:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KB55756 | ULS 1103840 | 2026-08-02 00:37:48 |
| Status | E | ULS 1103840 | 2026-08-02 00:37:48 |
| Service | RP | ULS 1103840 | 2026-08-02 00:37:48 |
| Grant Date | 1986-10-08 | ULS 1103840 | 2026-08-02 00:37:48 |
| Expiration Date | 1988-10-01 | ULS 1103840 | 2026-08-02 00:37:48 |
| Cancellation Date | 2000-09-24 | ULS 1103840 | 2026-08-02 00:37:48 |