Universal Licensing System
KBO573
CALIFORNIA, STATE OF
License details
| ULS identifier | 1248698 |
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| Call sign | KBO573 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-04-13 |
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| Expiration | 2031-07-10 |
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| Frequency range | 42.34 - 45.42 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | ALTADENA, LOS ANGELES, CA |
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| Coordinates | 34.1825278, -118.1680278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:57:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 42.34000000 | | | 120.000000 | 120.000000 | |
| 1 | 1 | FB | 42.50000000 | | | 120.000000 | 120.000000 | |
| 1 | 2 | FB | 44.74000000 | | | 110.000000 | 138.000000 | |
| 1 | 2 | FB | 45.42000000 | | | 110.000000 | 138.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 42.34000000 | | 20K0F3E |
| 1 | 1 | 42.50000000 | | 20K0F3E |
| 1 | 2 | 44.74000000 | | 20K0F3E |
| 1 | 2 | 45.42000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2130 WINDSOR AVE, ALTADENA, LOS ANGELES, CA | 34.18252778, -118.16802778 | 329.000 m | TOWER | 18.300 m structure / 22.900 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.900 m | V | 0.0000 | 360.0000 | -159.400 | |
| 2 | 1 | T | | 22.900 m | V | 2.5000 | 360.0000 | -158.400 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2130 WINDSOR AVE, ALTADENA, CA | | 9166579999 |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-13 | KBO573 | LIREN |
| 2020-09-17 | KBO573 | LIAUA |
| 2011-04-14 | KBO573 | LIREN |
| 2011-04-13 | KBO573 | ESUAPR |
| 2011-04-11 | KBO573 | ESURNW |
| 2010-09-28 | KBO573 | LIAUA |
| 2010-09-27 | KBO573 | ESCAPR |
| 2010-03-17 | KBO573 | LIMOD |
| 2002-03-11 | KBO573 | AUDOPR |
| 2001-07-24 | KBO573 | LIREN |
| 2001-04-16 | KBO573 | LETRES |
| 2000-10-20 | KBO573 | LICCNV |
| 1996-04-30 | KBO573 | AUTHPR |
| 1996-04-30 | KBO573 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1248698 | 2026-08-09 02:57:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KBO573 | ULS 1248698 | 2026-08-09 02:57:20 |
| Status | A | ULS 1248698 | 2026-08-09 02:57:20 |
| Service | PW | ULS 1248698 | 2026-08-09 02:57:20 |
| Grant Date | 2021-04-13 | ULS 1248698 | 2026-08-09 02:57:20 |
| Expiration Date | 2031-07-10 | ULS 1248698 | 2026-08-09 02:57:20 |