Universal Licensing System
KNJX581
Silke Communications, INC
License details
| ULS identifier | 1769731 |
|---|
| Call sign | KNJX581 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-09-06 |
|---|
| Expiration | 2035-10-11 |
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| Frequency range | 159.945 - 456.2625 MHz (4 frequencies) |
|---|
| Locations | 5 |
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| Representative location | GRANTS PASS, JOSEPHINE, OR |
|---|
| Coordinates | 42.5398333, -123.2489444 |
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| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:09:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1T | 159.94500000 | | | 50.000000 | | |
| 5 | 1 | MO | 159.94500000 | | | 75.000000 | | |
| 1 | 1 | FB2 | 160.75500000 | | | 75.000000 | 240.000000 | |
| 5 | 1 | MO | 160.75500000 | | | 75.000000 | | |
| 3 | 1 | MO | 451.26250000 | | | 2.000000 | | |
| 4 | 1 | MO | 456.26250000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 159.94500000 | | 11K2F3E |
| 5 | 1 | 159.94500000 | | 11K2F3E |
| 1 | 1 | 160.75500000 | | 11K2F3E |
| 5 | 1 | 160.75500000 | | 11K2F3E |
| 3 | 1 | 451.26250000 | | 11K2F3E |
| 4 | 1 | 456.26250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ELK MOUNTAIN APPX 7 MI NE, GRANTS PASS, JOSEPHINE, OR | 42.53983333, -123.24894444 | 1350.000 m | | | N |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
| 4 | T | JOSEPHINE, OR | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 37.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 3 CROW CANYON COURT, SAN RAMON, CA | CONTRA COSTA | 9255521820 |
| 3 | 9 Crow Canyon Road, San Ramon, CA | CONTRA COSTA | 9255521820 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 1038 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-06 | KNJX581 | LIREN |
| 2025-07-21 | KNJX581 | LETRES |
| 2021-06-16 | KNJX581 | LIAUA |
| 2015-09-18 | KNJX581 | LIREN |
| 2015-09-17 | KNJX581 | ESUAPR |
| 2015-07-20 | KNJX581 | LETRES |
| 2014-08-07 | KNJX581 | LIMOD |
| 2013-01-22 | KNJX581 | LIMOD |
| 2012-10-24 | KNJX581 | ESUAPR |
| 2012-10-24 | KNJX581 | ESCAPR |
| 2012-10-24 | KNJX581 | EFUAPR |
| 2005-07-15 | KNJX581 | LIREN |
| 2005-07-14 | KNJX581 | ESUAPR |
| 2002-01-09 | KNJX581 | AUDOPR |
| 2001-01-15 | KNJX581 | LIASS |
| 2000-11-23 | KNJX581 | LICCNV |
| 2000-10-27 | KNJX581 | AUTHPR |
| 2000-10-27 | KNJX581 | LIREN |
| 2000-07-10 | KNJX581 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1769731 | 2026-08-02 01:09:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNJX581 | ULS 1769731 | 2026-08-02 01:09:28 |
| Status | A | ULS 1769731 | 2026-08-02 01:09:28 |
| Service | IG | ULS 1769731 | 2026-08-02 01:09:28 |
| Grant Date | 2025-09-06 | ULS 1769731 | 2026-08-02 01:09:28 |
| Expiration Date | 2035-10-11 | ULS 1769731 | 2026-08-02 01:09:28 |