Universal Licensing System
KNNN581
UNION PACIFIC RAILROAD COMPANY
License details
| ULS identifier | 1916681 |
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| Call sign | KNNN581 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-02-18 |
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| Expiration | 2031-03-14 |
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| Frequency range | 160.41 MHz |
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| Locations | 1 |
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| Representative location | BAYTOWN, HARRIS, TX |
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| Coordinates | 29.7166111, -94.9454722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 160.41000000 | | | 2.000000 | 1.600000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 160.41000000 | | 11K2F3E |
| 1 | 1 | 160.41000000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MP 34.9 .25 MI E OF FM 2354 ON MPRR, BAYTOWN, HARRIS, TX | 29.71661111, -94.94547222 | 11.000 m | B | 15.000 m structure / 16.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 16.000 m | V | 6.0000 | 360.0000 | 23.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 1400 DOUGLAS ST STOP 0650, OMAHA, NE | DOUGLAS | 4025440392 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-12 | KNNN581 | LIAUA |
| 2021-02-18 | KNNN581 | LIREN |
| 2020-12-21 | KNNN581 | LETRES |
| 2014-08-22 | KNNN581 | LIMOD |
| 2011-10-13 | KNNN581 | LIMOD |
| 2011-03-24 | KNNN581 | AUTHPR |
| 2011-01-06 | KNNN581 | LIREN |
| 2010-12-22 | KNNN581 | LETRES |
| 2002-03-04 | KNNN581 | AUDOPR |
| 2000-12-01 | KNNN581 | LIAUA |
| 2000-11-24 | KNNN581 | LICCNV |
| 1996-03-15 | KNNN581 | AUTHPR |
| 1996-03-14 | KNNN581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1916681 | 2026-08-02 01:12:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNN581 | ULS 1916681 | 2026-08-02 01:12:33 |
| Status | A | ULS 1916681 | 2026-08-02 01:12:33 |
| Service | IG | ULS 1916681 | 2026-08-02 01:12:33 |
| Grant Date | 2021-02-18 | ULS 1916681 | 2026-08-02 01:12:33 |
| Expiration Date | 2031-03-14 | ULS 1916681 | 2026-08-02 01:12:33 |