Universal Licensing System
KQO421
Southwest Gas Corporation
License details
| ULS identifier | 1887576 |
|---|
| Call sign | KQO421 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-02-29 |
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| Expiration | 2034-03-29 |
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| Frequency range | 158.175 MHz |
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| Locations | 2 |
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| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.1681389, -110.9206389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:00 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 158.17500000 | | | 100.000000 | | |
| 2 | 1 | FB | 158.17500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 158.17500000 | | 11K0F3E |
| 2 | 1 | 158.17500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | 3401 E GAS RD, TUCSON, PIMA, AZ | 32.16813889, -110.92063889 | 781.800 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 30.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 3401 East Gas road, Tucson, AZ | PIMA | 5207946080 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-16 | KQO421 | LIAUA |
| 2025-07-15 | KQO421 | LIAUA |
| 2024-02-29 | KQO421 | LIREN |
| 2024-01-01 | KQO421 | LETRES |
| 2022-01-05 | KQO421 | LIAUA |
| 2021-05-04 | KQO421 | LIAUA |
| 2021-03-10 | KQO421 | LIAUA |
| 2018-01-03 | KQO421 | LIAUA |
| 2014-04-03 | KQO421 | LIREN |
| 2014-01-06 | KQO421 | LETRES |
| 2011-09-13 | KQO421 | LIMOD |
| 2011-08-15 | KQO421 | ESUAPR |
| 2004-03-05 | KQO421 | LIREN |
| 2004-01-05 | KQO421 | LETRES |
| 2003-08-13 | KQO421 | LIAUA |
| 2002-02-11 | KQO421 | AUDOPR |
| 2000-11-24 | KQO421 | LICCNV |
| 1999-02-11 | KQO421 | AUTHPR |
| 1999-02-10 | KQO421 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1887576 | 2026-08-02 01:10:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KQO421 | ULS 1887576 | 2026-08-02 01:10:00 |
| Status | A | ULS 1887576 | 2026-08-02 01:10:00 |
| Service | IG | ULS 1887576 | 2026-08-02 01:10:00 |
| Grant Date | 2024-02-29 | ULS 1887576 | 2026-08-02 01:10:00 |
| Expiration Date | 2034-03-29 | ULS 1887576 | 2026-08-02 01:10:00 |