Universal Licensing System
KMB442
CALIFORNIA, STATE OF
License details
| ULS identifier | 1252386 |
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| Call sign | KMB442 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2020-12-02 |
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| Expiration | 2031-03-01 |
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| Frequency range | 42.34 - 42.92 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | MARTINEZ, CONTRA COSTA, CA |
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| Coordinates | 37.9960278, -122.0733056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:57 |
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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 | 42.92000000 | | | 120.000000 | 120.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 42.34000000 | | 20K0F3E |
| 1 | 1 | 42.92000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5001 BLUM RD CHP OFC, MARTINEZ, CONTRA COSTA, CA | 37.99602778, -122.07330556 | 9.000 m | | 4.000 m structure / 4.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 26.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5001 BLUM RD, MARTINEZ, CA | | 9166579999 |
License history
| Date | File or call sign | Action |
|---|
| 2020-12-02 | KMB442 | LIREN |
| 2020-10-02 | KMB442 | LIAUA |
| 2010-12-29 | KMB442 | LIREN |
| 2010-12-28 | KMB442 | ESUAPR |
| 2010-12-06 | KMB442 | LETRES |
| 2010-12-01 | KMB442 | ESURNW |
| 2010-09-29 | KMB442 | LIAUA |
| 2010-09-28 | KMB442 | ESCAPR |
| 2002-03-11 | KMB442 | AUDOPR |
| 2001-01-25 | KMB442 | LIREN |
| 2000-12-03 | KMB442 | LETRES |
| 2000-10-20 | KMB442 | LICCNV |
| 1996-02-22 | KMB442 | AUTHPR |
| 1996-02-22 | KMB442 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1252386 | 2026-08-02 01:15:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KMB442 | ULS 1252386 | 2026-08-02 01:15:57 |
| Status | A | ULS 1252386 | 2026-08-02 01:15:57 |
| Service | PW | ULS 1252386 | 2026-08-02 01:15:57 |
| Grant Date | 2020-12-02 | ULS 1252386 | 2026-08-02 01:15:57 |
| Expiration Date | 2031-03-01 | ULS 1252386 | 2026-08-02 01:15:57 |