Universal Licensing System
KMK421
San Francisco, City and County of
License details
| ULS identifier | 1884732 |
|---|
| Call sign | KMK421 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-01-23 |
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| Expiration | 2034-04-08 |
|---|
| Frequency range | 48.2 - 48.4 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | SUNOL, ALAMEDA, CA |
|---|
| Coordinates | 37.5943889, -121.8760556 |
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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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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 48.20000000 | | | 300.000000 | 300.000000 | |
| 1 | 1 | FB | 48.30000000 | | | 300.000000 | 300.000000 | |
| 1 | 1 | FB | 48.40000000 | | | 300.000000 | 300.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 48.20000000 | | 20K0F3E |
| 1 | 1 | 48.30000000 | | 20K0F3E |
| 1 | 1 | 48.40000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1/2 MI E, SUNOL, ALAMEDA, CA | 37.59438889, -121.87605556 | 137.000 m | | 6.000 m structure / 6.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 505 PALOMA WAY, SUNOL, CA | | 4155504933 |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-23 | KMK421 | LIREN |
| 2024-01-15 | KMK421 | LETRES |
| 2017-09-16 | KMK421 | LIAUA |
| 2014-01-18 | KMK421 | LIREN |
| 2014-01-13 | KMK421 | LETRES |
| 2014-01-08 | KMK421 | ESURNW |
| 2013-09-20 | KMK421 | LIAUA |
| 2013-09-19 | KMK421 | ESUAPR |
| 2013-03-09 | KMK421 | LIAUA |
| 2013-03-08 | KMK421 | ESUAPR |
| 2013-03-06 | KMK421 | LIAUA |
| 2013-03-05 | KMK421 | ESUAPR |
| 2012-02-02 | KMK421 | LIAUA |
| 2012-02-01 | KMK421 | ESUAPR |
| 2012-01-13 | KMK421 | LIAUA |
| 2012-01-12 | KMK421 | ESCAPR |
| 2004-01-22 | KMK421 | LIREN |
| 2004-01-12 | KMK421 | LETRES |
| 2002-02-20 | KMK421 | AUDOPR |
| 2000-11-24 | KMK421 | LICCNV |
| 1999-01-26 | KMK421 | LIREN |
| 1999-01-26 | KMK421 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1884732 | 2026-08-09 02:53:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KMK421 | ULS 1884732 | 2026-08-09 02:53:59 |
| Status | A | ULS 1884732 | 2026-08-09 02:53:59 |
| Service | IG | ULS 1884732 | 2026-08-09 02:53:59 |
| Grant Date | 2024-01-23 | ULS 1884732 | 2026-08-09 02:53:59 |
| Expiration Date | 2034-04-08 | ULS 1884732 | 2026-08-09 02:53:59 |