Universal Licensing System
WQDF424
MARYLAND, STATE OF
License details
| ULS identifier | 2740381 |
|---|
| Call sign | WQDF424 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2025-05-21 |
|---|
| Expiration | 2035-08-10 |
|---|
| Frequency range | 158.7375 - 453.8625 MHz (6 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | PRINCE FREDERICK, CALVERT, MD |
|---|
| Coordinates | 38.5380556, -76.5813889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 151.13750000 | | | 100.000000 | 80.000000 | |
| 1 | 1 | FB | 154.45250000 | | | 100.000000 | 80.000000 | |
| 1 | 1 | FB | 155.75250000 | | | 100.000000 | 80.000000 | |
| 1 | 1 | FB | 158.73750000 | | | 100.000000 | 80.000000 | |
| 1 | 1 | FB | 159.47250000 | | | 100.000000 | 80.000000 | |
| 1 | 2 | FB | 453.21250000 | | | 100.000000 | 80.000000 | |
| 1 | 2 | FB | 453.46250000 | | | 100.000000 | 80.000000 | |
| 1 | 2 | FB | 453.71250000 | | | 100.000000 | 80.000000 | |
| 1 | 2 | FB | 453.86250000 | | | 100.000000 | 80.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.13750000 | | 11K0F3E |
| 1 | 1 | 151.13750000 | | 11K2F3E |
| 1 | 1 | 154.45250000 | | 11K2F3E |
| 1 | 1 | 154.45250000 | | 11K0F3E |
| 1 | 1 | 155.75250000 | | 11K2F3E |
| 1 | 1 | 155.75250000 | | 11K0F3E |
| 1 | 1 | 158.73750000 | | 11K0F3E |
| 1 | 1 | 158.73750000 | | 11K2F3E |
| 1 | 1 | 159.47250000 | | 11K2F3E |
| 1 | 1 | 159.47250000 | | 11K0F3E |
| 1 | 2 | 453.21250000 | | 11K2F3E |
| 1 | 2 | 453.21250000 | | 11K0F3E |
| 1 | 2 | 453.46250000 | | 11K0F3E |
| 1 | 2 | 453.46250000 | | 11K2F3E |
| 1 | 2 | 453.71250000 | | 11K2F3E |
| 1 | 2 | 453.71250000 | | 11K0F3E |
| 1 | 2 | 453.86250000 | | 11K0F3E |
| 1 | 2 | 453.86250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 210 MAIN STREET, PRINCE FREDERICK, CALVERT, MD | 38.53805556, -76.58138889 | 41.100 m | TOWER | 76.200 m structure / 79.300 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 68.300 m | V | | 360.0000 | 81.300 | |
| 2 | 1 | T | | 67.100 m | V | | 360.0000 | 80.100 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7755 WASHINGTON BOULEVARD, JESSUP, MD | HOWARD | 4107993466 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-21 | WQDF424 | LIREN |
| 2015-05-14 | WQDF424 | LIREN |
| 2015-05-12 | WQDF424 | ESURNW |
| 2014-06-06 | WQDF424 | ESUAPR |
| 2014-06-06 | WQDF424 | LIAUA |
| 2011-01-06 | WQDF424 | LIMOD |
| 2010-10-29 | WQDF424 | ESUAPR |
| 2005-08-10 | WQDF424 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2740381 | 2026-08-02 01:08:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDF424 | ULS 2740381 | 2026-08-02 01:08:56 |
| Status | A | ULS 2740381 | 2026-08-02 01:08:56 |
| Service | PW | ULS 2740381 | 2026-08-02 01:08:56 |
| Grant Date | 2025-05-21 | ULS 2740381 | 2026-08-02 01:08:56 |
| Expiration Date | 2035-08-10 | ULS 2740381 | 2026-08-02 01:08:56 |