Universal Licensing System
WPNX586
J & S G INVESTMENTS LLC
License details
| ULS identifier | 1808584 |
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| Call sign | WPNX586 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-04-29 |
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| Expiration | 2014-07-26 |
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| Cancellation | 2014-09-27 |
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| Frequency range | 451.75 - 456.75 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | TWIN BRIDGES, MADISON, MT |
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| Coordinates | 45.4515833, -112.5033333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:51 |
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Licensee
| Name | J & S G INVESTMENTS LLC |
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| Applicant type | U |
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| FRN | 0010543015 |
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| Location | TWIN BRIDGES, MT |
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| Address | 525 BURMA RD, TWIN BRIDGES, MT, 59754 |
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| Phone | 4066845282 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 451.75000000 | | | 40.000000 | 200.000000 | |
| 3 | 1 | MO | 451.75000000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 456.75000000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 456.75000000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.75000000 | | 20K0F3E |
| 3 | 1 | 451.75000000 | | 20K0F3E |
| 2 | 1 | 456.75000000 | | 20K0F3E |
| 3 | 1 | 456.75000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 525 BURMA RD, TWIN BRIDGES, MADISON, MT | 45.45158333, -112.50333333 | 1547.000 m | B | 5.000 m structure / 6.000 m overall | N |
| 2 | T | MT | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | | | -48.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 525 BURMA RD, TWIN BRIDGES, MT | | 4066845282 |
License history
| Date | File or call sign | Action |
|---|
| 2014-09-27 | WPNX586 | LIEXP |
| 2014-05-05 | WPNX586 | LETRES |
| 2004-04-29 | WPNX586 | LIAUA |
| 2004-04-29 | WPNX586 | LIREN |
| 2004-04-29 | WPNX586 | LTSAPR |
| 2004-03-11 | WPNX586 | LTSFRN |
| 2002-06-11 | WPNX586 | AUDOPR |
| 2000-11-23 | WPNX586 | LICCNV |
| 1999-07-26 | WPNX586 | AUTHPR |
| 1999-07-26 | WPNX586 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1808584 | 2026-08-02 01:16:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNX586 | ULS 1808584 | 2026-08-02 01:16:51 |
| Status | E | ULS 1808584 | 2026-08-02 01:16:51 |
| Service | IG | ULS 1808584 | 2026-08-02 01:16:51 |
| Grant Date | 2004-04-29 | ULS 1808584 | 2026-08-02 01:16:51 |
| Expiration Date | 2014-07-26 | ULS 1808584 | 2026-08-02 01:16:51 |
| Cancellation Date | 2014-09-27 | ULS 1808584 | 2026-08-02 01:16:51 |