Universal Licensing System
KRX4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1969854 |
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| Call sign | KRX4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2019-03-27 |
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| Expiration | 2029-03-24 |
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| Frequency range | 130.175 MHz |
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| Locations | 1 |
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| Representative location | DENVER, DENVER, CO |
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| Coordinates | 39.8536111, -104.6708333 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 130.17500000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 130.17500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DENVER INTERNATIONAL AIRPORT, DENVER, DENVER, CO | 39.85361111, -104.67083333 | 1635.000 m | BANT | 18.000 m structure / 21.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4000 E SKY HARBOR, PHOENIX, AZ | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-03-27 | KRX4 | LIREN |
| 2018-12-31 | KRX4 | LETRES |
| 2015-02-06 | KRX4 | LIAUA |
| 2015-02-05 | KRX4 | ESUAPR |
| 2015-02-05 | KRX4 | LIAUA |
| 2015-02-04 | KRX4 | ESUAPR |
| 2009-05-05 | KRX4 | LIREN |
| 2008-12-29 | KRX4 | LETRES |
| 2007-03-01 | KRX4 | AUTHPR |
| 2006-03-07 | KRX4 | AUTHPR |
| 2006-01-01 | KRX4 | LIASS |
| 2005-07-25 | KRX4 | ESCAPR |
| 2004-02-10 | KRX4 | LIREN |
| 2003-12-29 | KRX4 | LETRES |
| 2001-04-27 | KRX4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1969854 | 2026-08-02 02:08:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KRX4 | ULS 1969854 | 2026-08-02 02:08:26 |
| Status | A | ULS 1969854 | 2026-08-02 02:08:26 |
| Service | AF | ULS 1969854 | 2026-08-02 02:08:26 |
| Grant Date | 2019-03-27 | ULS 1969854 | 2026-08-02 02:08:26 |
| Expiration Date | 2029-03-24 | ULS 1969854 | 2026-08-02 02:08:26 |