Universal Licensing System
WPMP728
DuPont Specialty Products USA, LLC
License details
| ULS identifier | 1583451 |
|---|
| Call sign | WPMP728 |
|---|
| Radio service | GB |
|---|
| Status | A |
|---|
| Grant date | 2023-10-03 |
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| Expiration | 2033-10-28 |
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| Frequency range | 810.3125 - 855.5375 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | WILMINGTON, NEW CASTLE, DE |
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| Coordinates | 39.7734444, -75.5726944 |
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| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 810.31250000 | | | 15.000000 | 15.000000 | |
| 3 | 1 | MO | 810.31250000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | FX1 | 810.53750000 | | | 15.000000 | 15.000000 | |
| 3 | 1 | MO | 810.53750000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 855.31250000 | | | 50.000000 | 100.000000 | |
| 3 | 1 | MO | 855.31250000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 855.53750000 | | | 50.000000 | 100.000000 | |
| 3 | 1 | MO | 855.53750000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 810.31250000 | | 20K0F3E |
| 3 | 1 | 810.31250000 | | 20K0F3E |
| 2 | 1 | 810.53750000 | | 20K0F3E |
| 3 | 1 | 810.53750000 | | 20K0F3E |
| 1 | 1 | 855.31250000 | | 20K0F3E |
| 3 | 1 | 855.31250000 | | 20K0F3E |
| 1 | 1 | 855.53750000 | | 20K0F3E |
| 3 | 1 | 855.53750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | EXPERIMENTAL STATION, WILMINGTON, NEW CASTLE, DE | 39.77344444, -75.57269444 | 67.000 m | B | 12.000 m structure / 15.000 m overall | N |
| 2 | T | DE | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 30.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 200 Powder Mill Road, WILMINGTON, DE | NEW CASTLE | 3026953036 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-03 | WPMP728 | LIREN |
| 2023-08-07 | WPMP728 | LETRES |
| 2023-03-28 | WPMP728 | LIAUA |
| 2019-06-01 | WPMP728 | LIASS |
| 2017-08-31 | WPMP728 | LITRAN |
| 2014-12-17 | WPMP728 | LIAUA |
| 2014-12-16 | WPMP728 | ESUAPR |
| 2013-08-27 | WPMP728 | LIREN |
| 2013-08-26 | WPMP728 | ESUAPR |
| 2013-08-05 | WPMP728 | LETRES |
| 2010-12-21 | WPMP728 | LIAUA |
| 2010-12-20 | WPMP728 | ESUAPR |
| 2007-05-11 | WPMP728 | LIAUA |
| 2007-05-10 | WPMP728 | ESUAPR |
| 2004-11-16 | WPMP728 | LIAUA |
| 2004-11-15 | WPMP728 | ESUAPR |
| 2004-11-13 | WPMP728 | LIAUA |
| 2004-11-12 | WPMP728 | ESUAPR |
| 2003-11-06 | WPMP728 | LIAUA |
| 2003-11-05 | WPMP728 | LIAUA |
| 2003-09-18 | WPMP728 | LIREN |
| 2003-08-04 | WPMP728 | LETRES |
| 2000-11-22 | WPMP728 | LICCNV |
| 1998-10-28 | WPMP728 | AUTHPR |
| 1998-10-28 | WPMP728 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1583451 | 2026-08-02 01:22:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMP728 | ULS 1583451 | 2026-08-02 01:22:48 |
| Status | A | ULS 1583451 | 2026-08-02 01:22:48 |
| Service | GB | ULS 1583451 | 2026-08-02 01:22:48 |
| Grant Date | 2023-10-03 | ULS 1583451 | 2026-08-02 01:22:48 |
| Expiration Date | 2033-10-28 | ULS 1583451 | 2026-08-02 01:22:48 |