Universal Licensing System
KNBT425
Tucson, City of
License details
| ULS identifier | 1912093 |
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| Call sign | KNBT425 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-08-13 |
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| Expiration | 2031-10-23 |
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| Frequency range | 452.725 - 457.725 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.3448611, -110.9175833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FB | 452.72500000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | MO | 457.72500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 452.72500000 | | 11K2F2D |
| 4 | 1 | 452.72500000 | | 11K2F3E |
| 1 | 1 | 457.72500000 | | 11K2F3E |
| 1 | 1 | 457.72500000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | N |
| 4 | T | 9.5 MI NE, TUCSON, PIMA, AZ | 32.34486111, -110.91758333 | 1050.000 m | LTOWER | 42.700 m structure / 46.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 4 | T | | 23.000 m | | | | 44.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 1000 S RANDOLPH WAY, TUCSON, AZ | PIMA | 6027913111 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-28 | KNBT425 | LIMOD |
| 2022-12-01 | KNBT425 | LIAUA |
| 2022-11-11 | KNBT425 | LIAUA |
| 2021-08-13 | KNBT425 | LIREN |
| 2021-08-02 | KNBT425 | LETRES |
| 2017-06-16 | KNBT425 | LIAUA |
| 2017-04-12 | KNBT425 | LIMOD |
| 2012-10-10 | KNBT425 | LIAUA |
| 2012-10-09 | KNBT425 | ESUAPR |
| 2012-05-16 | KNBT425 | LIMOD |
| 2011-10-07 | KNBT425 | LIREN |
| 2011-10-06 | KNBT425 | ESUAPR |
| 2011-09-23 | KNBT425 | ESURNW |
| 2011-08-24 | KNBT425 | ESURNW |
| 2011-08-01 | KNBT425 | LETRES |
| 2011-07-25 | KNBT425 | ESURNW |
| 2008-07-25 | KNBT425 | LIAUA |
| 2008-07-25 | KNBT425 | LTSAPR |
| 2002-02-21 | KNBT425 | AUDOPR |
| 2001-09-20 | KNBT425 | LIREN |
| 2001-07-30 | KNBT425 | LETRES |
| 2000-11-24 | KNBT425 | LICCNV |
| 1996-09-19 | KNBT425 | LIREN |
| 1996-09-19 | KNBT425 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1912093 | 2026-08-02 01:12:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBT425 | ULS 1912093 | 2026-08-02 01:12:12 |
| Status | A | ULS 1912093 | 2026-08-02 01:12:12 |
| Service | IG | ULS 1912093 | 2026-08-02 01:12:12 |
| Grant Date | 2021-08-13 | ULS 1912093 | 2026-08-02 01:12:12 |
| Expiration Date | 2031-10-23 | ULS 1912093 | 2026-08-02 01:12:12 |