Universal Licensing System
WPMZ409
DAVID OPPENHEIMER GROUP
License details
| ULS identifier | 1803631 |
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| Call sign | WPMZ409 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-04-17 |
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| Expiration | 2024-04-08 |
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| Cancellation | 2024-06-08 |
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| Frequency range | 452.7 - 457.7 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | KENNETT SQUARE, CHESTER, PA |
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| Coordinates | 39.8308333, -75.7429167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:55 |
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Licensee
| Name | DAVID OPPENHEIMER GROUP |
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| Applicant type | C |
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| FRN | 0010610533 |
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| Location | Newark, DE |
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| Address | 262 CHAPMAN ROAD, BELLEVEUE BLDG STE 204, Newark, DE, 197024512 |
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| Phone | 3025330779 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 452.70000000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 452.70000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.70000000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 457.70000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.70000000 | | 11K2F3E |
| 4 | 1 | 452.70000000 | | 11K2F3E |
| 3 | 1 | 457.70000000 | | 11K2F3E |
| 4 | 1 | 457.70000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 3 | | KENNETT SQUARE, CHESTER, PA | 39.83083333, -75.74291667 | | | | N |
| 4 | | GLOUCESTER CITY, CAMDEN, NJ | 39.90072222, -75.12313889 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1050 CHRISTINA AVENUE, WILMINGTON, DE | NEW CASTLE | 3025330779 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-08 | WPMZ409 | LIEXP |
| 2014-04-17 | WPMZ409 | LIREN |
| 2014-01-13 | WPMZ409 | LETRES |
| 2008-01-28 | WPMZ409 | LIMOD |
| 2004-03-30 | WPMZ409 | LIREN |
| 2004-03-25 | WPMZ409 | LTSAPR |
| 2004-03-24 | WPMZ409 | LTSFRN |
| 2004-01-12 | WPMZ409 | LETRES |
| 2002-05-09 | WPMZ409 | AUDOPR |
| 2000-11-23 | WPMZ409 | LICCNV |
| 1999-04-08 | WPMZ409 | AUTHPR |
| 1999-04-08 | WPMZ409 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1803631 | 2026-08-02 01:16:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMZ409 | ULS 1803631 | 2026-08-02 01:16:55 |
| Status | E | ULS 1803631 | 2026-08-02 01:16:55 |
| Service | IG | ULS 1803631 | 2026-08-02 01:16:55 |
| Grant Date | 2014-04-17 | ULS 1803631 | 2026-08-02 01:16:55 |
| Expiration Date | 2024-04-08 | ULS 1803631 | 2026-08-02 01:16:55 |
| Cancellation Date | 2024-06-08 | ULS 1803631 | 2026-08-02 01:16:55 |