Universal Licensing System
KMK423
San Francisco, City and County of
License details
| ULS identifier | 1884733 |
|---|
| Call sign | KMK423 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-12-17 |
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| Expiration | 2033-03-07 |
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| Frequency range | 43.9 - 48.4 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | SAN FRANCISCO, SAN FRANCISCO, CA |
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| Coordinates | 37.7546389, -122.4463611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:53:59 |
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Licensee
| Name | San Francisco, City and County of |
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| Applicant type | G |
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| FRN | 0001540731 |
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| Location | SAN FRANCISCO, CA |
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| Address | 200 Paul Ave,, Building B, SAN FRANCISCO, CA, 94124 |
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| Phone | 4159289559 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 43.90000000 | | | 300.000000 | 250.000000 | |
| 2 | 1 | FB2 | 44.08000000 | | | 300.000000 | 250.000000 | |
| 2 | 1 | FB2 | 47.64000000 | | | 300.000000 | 250.000000 | |
| 2 | 1 | FB2 | 48.00000000 | | | 300.000000 | 250.000000 | |
| 1 | 1 | FB2 | 48.20000000 | | | 300.000000 | 250.000000 | |
| 2 | 1 | FB2 | 48.20000000 | | | 300.000000 | 250.000000 | |
| 1 | 1 | FB2 | 48.30000000 | | | 300.000000 | 250.000000 | |
| 2 | 1 | FB2 | 48.30000000 | | | 300.000000 | 250.000000 | |
| 3 | 1 | FB2 | 48.30000000 | | | 300.000000 | 250.000000 | |
| 1 | 1 | FB2 | 48.40000000 | | | 300.000000 | 250.000000 | |
| 2 | 1 | FB2 | 48.40000000 | | | 300.000000 | 250.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 43.90000000 | | 20K0F3E |
| 2 | 1 | 44.08000000 | | 20K0F3E |
| 2 | 1 | 47.64000000 | | 20K0F3E |
| 2 | 1 | 48.00000000 | | 20K0F3E |
| 1 | 1 | 48.20000000 | | 20K0F3E |
| 2 | 1 | 48.20000000 | | 20K0F3E |
| 1 | 1 | 48.30000000 | | 20K0F3E |
| 2 | 1 | 48.30000000 | | 20K0F3E |
| 3 | 1 | 48.30000000 | | 20K0F3E |
| 1 | 1 | 48.40000000 | | 20K0F3E |
| 2 | 1 | 48.40000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Sawyer Ridge, Millbrae, SAN MATEO, CA | 37.57408333, -122.42358333 | 335.800 m | TOWER | 30.400 m structure / 31.300 m overall | N |
| 2 | T | MONUMENT PEAK 4.5 MI NW, MILPITAS, ALAMEDA, CA | 37.48805556, -121.86750000 | 743.400 m | TOWER | 184.400 m structure / 184.400 m overall | N |
| 3 | T | TWIN PEAKS BLVD., SAN FRANCISCO, SAN FRANCISCO, CA | 37.75463889, -122.44636111 | 253.800 m | TOWER | 29.000 m structure / 29.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.400 m | | | 360.0000 | 268.700 | |
| 1 | 2 | | | 18.300 m | | | 360.0000 | 518.400 | |
| 1 | 3 | | | 29.000 m | | | | 262.100 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1000 El Camino Real, Millbrae, CA | SAN MATEO | 6508725900 |
| 2 | 505 PALOMA WAY, SUNOL,, CA | ALAMEDA | 6508725916 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-17 | KMK423 | LIREN |
| 2022-12-12 | KMK423 | LETRES |
| 2017-09-16 | KMK423 | LIAUA |
| 2013-09-20 | KMK423 | LIAUA |
| 2013-09-19 | KMK423 | ESUAPR |
| 2013-03-09 | KMK423 | LIAUA |
| 2013-03-08 | KMK423 | ESUAPR |
| 2013-03-06 | KMK423 | LIAUA |
| 2013-03-05 | KMK423 | ESUAPR |
| 2012-12-12 | KMK423 | LIREN |
| 2012-12-11 | KMK423 | ESUAPR |
| 2012-12-10 | KMK423 | LETRES |
| 2012-12-07 | KMK423 | ESURNW |
| 2012-02-02 | KMK423 | LIAUA |
| 2012-02-01 | KMK423 | ESUAPR |
| 2012-01-13 | KMK423 | ESCAPR |
| 2012-01-13 | KMK423 | LIAUA |
| 2012-01-12 | KMK423 | ESUAPR |
| 2012-01-12 | KMK423 | EFUAPR |
| 2004-12-13 | KMK423 | LETCNS |
| 2004-09-27 | KMK423 | LETCNS |
| 2004-03-11 | KMK423 | LIMOD |
| 2004-02-18 | KMK423 | AUTHPR |
| 2003-11-17 | KMK423 | LETCNS |
| 2003-02-19 | KMK423 | LIMOD |
| 2003-02-19 | KMK423 | COR |
| 2003-01-07 | KMK423 | LIREN |
| 2002-12-09 | KMK423 | LETRES |
| 2002-02-20 | KMK423 | AUDOPR |
| 2000-11-24 | KMK423 | LICCNV |
| 1998-01-21 | KMK423 | AUTHPR |
| 1998-01-21 | KMK423 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1884733 | 2026-08-09 02:53:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KMK423 | ULS 1884733 | 2026-08-09 02:53:59 |
| Status | A | ULS 1884733 | 2026-08-09 02:53:59 |
| Service | IG | ULS 1884733 | 2026-08-09 02:53:59 |
| Grant Date | 2022-12-17 | ULS 1884733 | 2026-08-09 02:53:59 |
| Expiration Date | 2033-03-07 | ULS 1884733 | 2026-08-09 02:53:59 |