Universal Licensing System
KDU438
CHARLES, COUNTY OF
License details
| ULS identifier | 1206720 |
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| Call sign | KDU438 |
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| Radio service | PW |
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| Status | T |
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| Grant date | 1998-10-08 |
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| Expiration | 2003-12-15 |
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| Cancellation | 2003-09-22 |
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| Frequency range | 45.4 - 45.64 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | LA PLATA, CHARLES, MD |
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| Coordinates | 38.5356667, -76.9808056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:22 |
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Licensee
| Name | CHARLES, COUNTY OF |
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| Applicant type | G |
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| Location | LA PLATA, MD |
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| Address | CHARLES COUNTY COURTHOUSE, LA PLATA, MD, 20646 |
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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 | FBS | 45.40000000 | | | 100.000000 | | |
| 2 | 1 | FB | 45.40000000 | | | 300.000000 | | |
| 1 | 1 | FBS | 45.64000000 | | | 100.000000 | | |
| 2 | 1 | FB | 45.64000000 | | | 300.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 45.40000000 | | 20K0F3E |
| 2 | 1 | 45.40000000 | | 20K0F3E |
| 1 | 1 | 45.64000000 | | 20K0F3E |
| 2 | 1 | 45.64000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | CHARLES COUNTY SHERIFFS DEPT, LA PLATA, CHARLES, MD | 38.53566667, -76.98080556 | 47.000 m | | | N |
| 2 | T | US ARMY RADIO STATION, LA PLATA, CHARLES, MD | 38.54927778, -76.94969444 | 61.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 82.000 m | | | | | |
| 1 | 2 | T | | 82.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | CHARLES COUNTY SHERIFFS DEPT 200 YDS S OF RT 6 & RT 301, LA PLATA, MD | | |
License history
| Date | File or call sign | Action |
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| 2003-09-22 | KDU438 | LETRES |
| 2003-09-22 | KDU438 | LITERM |
| 2002-02-25 | KDU438 | AUDCAN |
| 2000-10-20 | KDU438 | LICCNV |
| 1998-10-08 | KDU438 | AUTHPR |
| 1998-10-08 | KDU438 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1206720 | 2026-08-02 01:26:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KDU438 | ULS 1206720 | 2026-08-02 01:26:22 |
| Status | T | ULS 1206720 | 2026-08-02 01:26:22 |
| Service | PW | ULS 1206720 | 2026-08-02 01:26:22 |
| Grant Date | 1998-10-08 | ULS 1206720 | 2026-08-02 01:26:22 |
| Expiration Date | 2003-12-15 | ULS 1206720 | 2026-08-02 01:26:22 |
| Cancellation Date | 2003-09-22 | ULS 1206720 | 2026-08-02 01:26:22 |