Universal Licensing System
WPNX451
3RS Holdings, LLC dba Metro Mobile Communications
License details
| ULS identifier | 1924900 |
|---|
| Call sign | WPNX451 |
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| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2024-05-30 |
|---|
| Expiration | 2034-07-23 |
|---|
| Frequency range | 157.5375 - 158.1675 MHz (5 frequencies) |
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| Locations | 3 |
|---|
| Representative location | Clayton, CONTRA COSTA, CA |
|---|
| Coordinates | 37.8817222, -121.9191111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:07 |
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Licensee
| Name | 3RS Holdings, LLC dba Metro Mobile Communications |
|---|
| Applicant type | L |
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| FRN | 0035842012 |
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| Location | Belmont, CA |
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| Address | 1140 Old County Rd Suite A, Belmont, CA, 94002 |
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| Phone | 6502648223 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 152.27750000 | | | 25.000000 | 98.000000 | |
| 1 | 1 | FB8 | 152.29250000 | | | 25.000000 | 98.000000 | |
| 1 | 1 | FB8 | 152.30750000 | | | 25.000000 | 98.000000 | |
| 1 | 1 | FB8 | 152.42750000 | | | 25.000000 | 98.000000 | |
| 1 | 1 | FB8 | 152.92250000 | | | 25.000000 | 98.000000 | |
| 2 | 1 | FX1 | 157.53750000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO8 | 157.53750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FX1 | 157.55250000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO8 | 157.55250000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FX1 | 157.56750000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO8 | 157.56750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FX1 | 157.68750000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO8 | 157.68750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FX1 | 158.16750000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO8 | 158.16750000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 152.27750000 | | 7K60FXD |
| 1 | 1 | 152.27750000 | | 7K60FXE |
| 1 | 1 | 152.27750000 | | 11K2F3E |
| 1 | 1 | 152.29250000 | | 7K60FXD |
| 1 | 1 | 152.29250000 | | 7K60FXE |
| 1 | 1 | 152.29250000 | | 11K2F3E |
| 1 | 1 | 152.30750000 | | 7K60FXE |
| 1 | 1 | 152.30750000 | | 11K2F3E |
| 1 | 1 | 152.30750000 | | 7K60FXD |
| 1 | 1 | 152.42750000 | | 7K60FXD |
| 1 | 1 | 152.42750000 | | 11K2F3E |
| 1 | 1 | 152.42750000 | | 7K60FXE |
| 1 | 1 | 152.92250000 | | 7K60FXE |
| 1 | 1 | 152.92250000 | | 11K2F3E |
| 1 | 1 | 152.92250000 | | 7K60FXD |
| 2 | 1 | 157.53750000 | | 7K60FXD |
| 2 | 1 | 157.53750000 | | 7K60FXE |
| 2 | 1 | 157.53750000 | | 11K2F3E |
| 3 | 1 | 157.53750000 | | 11K2F3E |
| 3 | 1 | 157.53750000 | | 7K60FXE |
| 3 | 1 | 157.53750000 | | 7K60FXD |
| 2 | 1 | 157.55250000 | | 7K60FXD |
| 2 | 1 | 157.55250000 | | 7K60FXE |
| 2 | 1 | 157.55250000 | | 11K2F3E |
| 3 | 1 | 157.55250000 | | 7K60FXE |
| 3 | 1 | 157.55250000 | | 7K60FXD |
| 3 | 1 | 157.55250000 | | 11K2F3E |
| 2 | 1 | 157.56750000 | | 7K60FXE |
| 2 | 1 | 157.56750000 | | 7K60FXD |
| 2 | 1 | 157.56750000 | | 11K2F3E |
| 3 | 1 | 157.56750000 | | 7K60FXD |
| 3 | 1 | 157.56750000 | | 11K2F3E |
| 3 | 1 | 157.56750000 | | 7K60FXE |
| 2 | 1 | 157.68750000 | | 11K2F3E |
| 2 | 1 | 157.68750000 | | 7K60FXD |
| 2 | 1 | 157.68750000 | | 7K60FXE |
| 3 | 1 | 157.68750000 | | 11K2F3E |
| 3 | 1 | 157.68750000 | | 7K60FXD |
| 3 | 1 | 157.68750000 | | 7K60FXE |
| 2 | 1 | 158.16750000 | | 7K60FXE |
| 2 | 1 | 158.16750000 | | 7K60FXD |
| 2 | 1 | 158.16750000 | | 11K2F3E |
| 3 | 1 | 158.16750000 | | 7K60FXD |
| 3 | 1 | 158.16750000 | | 11K2F3E |
| 3 | 1 | 158.16750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Mt. Diablo State Park, top of Mt. Diablo (008501 / MT DIABLO CA), Clayton, CONTRA COSTA, CA | 37.88172222, -121.91911111 | 1097.600 m | LTOWER | 85.300 m structure / 91.400 m overall | N |
| 2 | T | CONTRA COSTA, CA | | | | | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 51.000 m | | | | 907.100 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1140 OLD COUNTY ROAD, SUITE A, BELMONT, CA | SAN MATEO | 6503671992 |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-31 | WPNX451 | LIASS |
| 2024-05-30 | WPNX451 | LIREN |
| 2024-04-29 | WPNX451 | LETRES |
| 2020-08-31 | WPNX451 | LIMOD |
| 2016-06-09 | WPNX451 | LIMOD |
| 2016-02-19 | WPNX451 | LTSAPR |
| 2016-02-19 | WPNX451 | LIAUA |
| 2014-06-30 | WPNX451 | LTSAPR |
| 2014-06-28 | WPNX451 | LIREN |
| 2014-04-28 | WPNX451 | LETRES |
| 2011-02-23 | WPNX451 | LIAUA |
| 2011-02-21 | WPNX451 | LTSAPR |
| 2004-06-04 | WPNX451 | LIREN |
| 2004-04-26 | WPNX451 | LETRES |
| 2001-09-04 | WPNX451 | AUDOPR |
| 2000-11-24 | WPNX451 | LICCNV |
| 1999-07-23 | WPNX451 | AUTHPR |
| 1999-07-23 | WPNX451 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1924900 | 2026-08-02 01:23:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNX451 | ULS 1924900 | 2026-08-02 01:23:07 |
| Status | A | ULS 1924900 | 2026-08-02 01:23:07 |
| Service | YG | ULS 1924900 | 2026-08-02 01:23:07 |
| Grant Date | 2024-05-30 | ULS 1924900 | 2026-08-02 01:23:07 |
| Expiration Date | 2034-07-23 | ULS 1924900 | 2026-08-02 01:23:07 |