Universal Licensing System
KWI4
FREDERICK, CITY OF
License details
| ULS identifier | 1971722 |
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| Call sign | KWI4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2025-11-20 |
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| Expiration | 2035-12-07 |
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| Frequency range | 124.875 MHz |
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| Locations | 1 |
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| Representative location | FREDERICK, FREDERICK, MD |
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| Coordinates | 39.4180556, -77.3700000 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:41 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FAB | 124.87500000 | | | 2.500000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 124.87500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | FREDERICK MUNICIPAL AIRPORT, FREDERICK, FREDERICK, MD | 39.41805556, -77.37000000 | 86.000 m | TOWER | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | V | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-11-20 | KWI4 | LIREN |
| 2025-09-15 | KWI4 | LETRES |
| 2025-09-08 | KWI4 | ESURNW |
| 2021-09-23 | KWI4 | LIAUA |
| 2015-10-30 | KWI4 | COR |
| 2015-10-30 | KWI4 | LIREN |
| 2015-10-09 | KWI4 | ESCAPR |
| 2015-09-14 | KWI4 | LETRES |
| 2005-12-22 | KWI4 | COR |
| 2005-12-22 | KWI4 | LIREN |
| 2005-10-13 | KWI4 | ESCAPR |
| 2005-09-12 | KWI4 | LETRES |
| 2004-10-26 | KWI4 | LTSFRN |
| 2001-04-27 | KWI4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1971722 | 2026-08-02 02:08:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KWI4 | ULS 1971722 | 2026-08-02 02:08:41 |
| Status | A | ULS 1971722 | 2026-08-02 02:08:41 |
| Service | AF | ULS 1971722 | 2026-08-02 02:08:41 |
| Grant Date | 2025-11-20 | ULS 1971722 | 2026-08-02 02:08:41 |
| Expiration Date | 2035-12-07 | ULS 1971722 | 2026-08-02 02:08:41 |