Universal Licensing System
WNPB621
GENERAL MOTORS RESEARCH CORPORATION
License details
| ULS identifier | 1904597 |
|---|
| Call sign | WNPB621 |
|---|
| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2024-05-11 |
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| Expiration | 2034-08-03 |
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| Frequency range | 462.425 - 467.425 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WARREN, MACOMB, MI |
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| Coordinates | 42.5175278, -83.0426944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 462.42500000 | | | 35.000000 | 27.000000 | |
| 2 | 2 | FB2 | 462.42500000 | | | 35.000000 | 27.000000 | |
| 3 | 1 | FB2 | 462.42500000 | | | 35.000000 | 27.000000 | |
| 4 | 1 | MO | 467.42500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 462.42500000 | | 11K2F3E |
| 2 | 2 | 462.42500000 | | 11K2F3E |
| 3 | 1 | 462.42500000 | | 11K2F3E |
| 4 | 1 | 467.42500000 | | 11K1F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | 30100 MOUND RD, WARREN, MACOMB, MI | 42.51752778, -83.04269444 | 187.000 m | | | N |
| 3 | T | 30100 MOUND RD, WARREN, MACOMB, MI | 42.51669444, -83.04241667 | 187.000 m | | | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | -6.000 m | | | | 0.000 | |
| 1 | 3 | T | | -6.000 m | | | | 0.000 | |
| 1 | 4 | T | | | | | | | |
| 2 | 2 | T | | 14.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 30100 MOUND RD, WARREN, MI | MACOMB | 5869863762 |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-11 | WNPB621 | LIREN |
| 2021-07-30 | WNPB621 | LIAUA |
| 2020-01-29 | WNPB621 | LIAUA |
| 2015-09-30 | WNPB621 | ESUAPR |
| 2014-07-24 | WNPB621 | LIREN |
| 2014-07-24 | WNPB621 | LIMOD |
| 2014-07-14 | WNPB621 | ESUAPR |
| 2014-05-12 | WNPB621 | LETRES |
| 2013-05-21 | WNPB621 | LIMOD |
| 2012-12-29 | WNPB621 | ESCAPR |
| 2010-10-17 | WNPB621 | LITRAN |
| 2009-11-02 | WNPB621 | LITRAN |
| 2009-10-16 | WNPB621 | LITRAN |
| 2009-09-18 | WNPB621 | ESUAPR |
| 2009-06-23 | WNPB621 | ESUAPR |
| 2009-06-06 | WNPB621 | LITRAN |
| 2009-06-02 | WNPB621 | ESUAPR |
| 2004-08-05 | WNPB621 | LIREN |
| 2004-07-29 | WNPB621 | ESUAPR |
| 2004-05-13 | WNPB621 | LETRES |
| 2002-03-11 | WNPB621 | AUDOPR |
| 2001-06-27 | WNPB621 | LIAUA |
| 2001-05-11 | WNPB621 | LIAUA |
| 2000-11-24 | WNPB621 | LICCNV |
| 1999-05-25 | WNPB621 | LIREN |
| 1999-05-25 | WNPB621 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1904597 | 2026-08-02 01:10:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNPB621 | ULS 1904597 | 2026-08-02 01:10:27 |
| Status | A | ULS 1904597 | 2026-08-02 01:10:27 |
| Service | IG | ULS 1904597 | 2026-08-02 01:10:27 |
| Grant Date | 2024-05-11 | ULS 1904597 | 2026-08-02 01:10:27 |
| Expiration Date | 2034-08-03 | ULS 1904597 | 2026-08-02 01:10:27 |