Universal Licensing System
WPMU305
DIAMOND MATERIALS LLC
License details
| ULS identifier | 1801059 |
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| Call sign | WPMU305 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-10-16 |
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| Expiration | 2013-12-28 |
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| Cancellation | 2014-03-01 |
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| Frequency range | 153.515 - 159.555 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WILMINGTON, NEW CASTLE, DE |
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| Coordinates | 39.7237222, -75.5468611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:47 |
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Licensee
| Name | DIAMOND MATERIALS LLC |
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| Applicant type | C |
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| FRN | 0009728262 |
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| Location | WILMINGTON, DE |
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| Address | 924 HEALD ST, WILMINGTON, DE, 19801 |
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| Phone | 3026586524 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 153.51500000 | | | 100.000000 | 250.000000 | |
| 3 | 1 | MO | 153.51500000 | | | 100.000000 | | |
| 2 | 1 | FX1 | 159.55500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 159.55500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 153.51500000 | | 20K0F3E |
| 3 | 1 | 153.51500000 | | 20K0F3E |
| 2 | 1 | 159.55500000 | | 20K0F3E |
| 3 | 1 | 159.55500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 924 HEALD ST, WILMINGTON, NEW CASTLE, DE | 39.72372222, -75.54686111 | 13.000 m | B | 39.000 m structure / 48.000 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 | | 48.000 m | | | | 33.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 924 HEALD ST, WILMINGTON, DE | | 3026586524 |
License history
| Date | File or call sign | Action |
|---|
| 2014-03-01 | WPMU305 | LIEXP |
| 2013-10-21 | WPMU305 | LETRES |
| 2003-10-16 | WPMU305 | LIREN |
| 2003-10-06 | WPMU305 | LETRES |
| 2001-09-10 | WPMU305 | AUDOPR |
| 2000-11-23 | WPMU305 | LICCNV |
| 1998-12-28 | WPMU305 | LIISS |
| 1998-12-28 | WPMU305 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1801059 | 2026-08-02 01:16:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMU305 | ULS 1801059 | 2026-08-02 01:16:47 |
| Status | E | ULS 1801059 | 2026-08-02 01:16:47 |
| Service | IG | ULS 1801059 | 2026-08-02 01:16:47 |
| Grant Date | 2003-10-16 | ULS 1801059 | 2026-08-02 01:16:47 |
| Expiration Date | 2013-12-28 | ULS 1801059 | 2026-08-02 01:16:47 |
| Cancellation Date | 2014-03-01 | ULS 1801059 | 2026-08-02 01:16:47 |