Universal Licensing System
WPMA420
N R B INDUSTRIES INC
License details
| ULS identifier | 1790776 |
|---|
| Call sign | WPMA420 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2003-03-18 |
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| Expiration | 2013-05-04 |
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| Cancellation | 2013-07-06 |
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| Frequency range | 451.3 - 457.6 MHz (8 frequencies) |
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| Locations | 5 |
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| Representative location | RADFORD, VA |
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| Coordinates | 37.1440278, -80.5372778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:17 |
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Licensee
| Name | N R B INDUSTRIES INC |
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| Applicant type | C |
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| FRN | 0002055325 |
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| Location | RADFORD, VA |
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| Address | 1132, RADFORD, VA, 24141 |
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| Phone | 5407318002 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FB2 | 451.30000000 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 451.30000000 | | | 25.000000 | | |
| 1 | 1 | FB2 | 452.52500000 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 452.52500000 | | | 25.000000 | | |
| 2 | 2 | FB2 | 452.57500000 | | | 25.000000 | 50.000000 | |
| 4 | 1 | MO | 452.57500000 | | | 25.000000 | | |
| 2 | 1 | FB2 | 452.60000000 | | | 25.000000 | 50.000000 | |
| 4 | 1 | MO | 452.60000000 | | | 25.000000 | | |
| 3 | 1 | MO | 456.30000000 | | | 25.000000 | | |
| 5 | 1 | FX1 | 456.30000000 | | | 25.000000 | | |
| 3 | 1 | MO | 457.52500000 | | | 25.000000 | | |
| 5 | 1 | FX1 | 457.52500000 | | | 25.000000 | | |
| 4 | 1 | MO | 457.57500000 | | | 25.000000 | | |
| 5 | 1 | FX1 | 457.57500000 | | | 25.000000 | | |
| 4 | 1 | MO | 457.60000000 | | | 25.000000 | | |
| 5 | 1 | FX1 | 457.60000000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 451.30000000 | | 20K0F3E |
| 3 | 1 | 451.30000000 | | 20K0F3E |
| 1 | 1 | 452.52500000 | | 20K0F3E |
| 3 | 1 | 452.52500000 | | 20K0F3E |
| 2 | 2 | 452.57500000 | | 20K0F3E |
| 4 | 1 | 452.57500000 | | 20K0F3E |
| 2 | 1 | 452.60000000 | | 20K0F3E |
| 4 | 1 | 452.60000000 | | 20K0F3E |
| 3 | 1 | 456.30000000 | | 20K0F3E |
| 5 | 1 | 456.30000000 | | 20K0F3E |
| 3 | 1 | 457.52500000 | | 20K0F3E |
| 5 | 1 | 457.52500000 | | 20K0F3E |
| 4 | 1 | 457.57500000 | | 20K0F3E |
| 5 | 1 | 457.57500000 | | 20K0F3E |
| 4 | 1 | 457.60000000 | | 20K0F3E |
| 5 | 1 | 457.60000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6540 VISCOE RD, RADFORD, VA | 37.14402778, -80.53727778 | 564.000 m | B | 5.000 m structure / 8.000 m overall | N |
| 2 | T | 309 NORWOOD ST, RADFORD, VA | 37.13458333, -80.54088889 | 544.000 m | B | 4.000 m structure / 7.000 m overall | N |
| 3 | T | PULASKI, VA | 37.14402778, -80.53727778 | | | | |
| 4 | T | PULASKI, VA | 37.13458333, -80.54088889 | | | | |
| 5 | T | VA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | -40.000 | |
| 1 | 2 | T | | 7.000 m | | | | -61.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 2 | 1 | T | | 8.000 m | H | 3.0000 | 0.0000 | -40.000 | |
| 2 | 2 | T | | 7.000 m | H | 3.0000 | 0.0000 | -61.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 6540 VISCOE RD, RADFORD, VA | | 5407318002 |
License history
| Date | File or call sign | Action |
|---|
| 2013-07-06 | WPMA420 | LIEXP |
| 2013-02-11 | WPMA420 | LETRES |
| 2003-03-18 | WPMA420 | LIREN |
| 2003-02-10 | WPMA420 | LETRES |
| 2001-10-17 | WPMA420 | AUDOPR |
| 2000-11-23 | WPMA420 | LICCNV |
| 1998-05-07 | WPMA420 | AUTHPR |
| 1998-05-04 | WPMA420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1790776 | 2026-08-02 01:11:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMA420 | ULS 1790776 | 2026-08-02 01:11:17 |
| Status | E | ULS 1790776 | 2026-08-02 01:11:17 |
| Service | IG | ULS 1790776 | 2026-08-02 01:11:17 |
| Grant Date | 2003-03-18 | ULS 1790776 | 2026-08-02 01:11:17 |
| Expiration Date | 2013-05-04 | ULS 1790776 | 2026-08-02 01:11:17 |
| Cancellation Date | 2013-07-06 | ULS 1790776 | 2026-08-02 01:11:17 |