Universal Licensing System
KSM
Maritime Radio Historical Society, Inc.
License details
| ULS identifier | 2703465 |
|---|
| Call sign | KSM |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2025-03-18 |
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| Expiration | 2035-03-21 |
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| Frequency range | 0.426 - 22.4458 MHz (12 frequencies) |
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| Locations | 1 |
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| Representative location | Bolinas, MARIN, CA |
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| Coordinates | 37.9140000, -122.7226389 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FC | 0.42600000 | | | 5000.000000 | | |
| 1 | 1 | FC | 0.50000000 | | | 5000.000000 | | |
| 1 | 1 | FC | 0.51200000 | | | 5000.000000 | | |
| 1 | 2 | FC | 4.35050000 | | | 5000.000000 | | |
| 1 | 2 | FC | 6.32800000 | | | 5000.000000 | | |
| 1 | 2 | FC | 6.47400000 | | | 5000.000000 | | |
| 1 | 2 | FC | 8.43300000 | | | 5000.000000 | | |
| 1 | 2 | FC | 8.43830000 | | | 5000.000000 | | |
| 1 | 3 | FC | 12.63100000 | | | 5000.000000 | | |
| 1 | 3 | FC | 12.99300000 | | | 5000.000000 | | |
| 1 | 3 | FC | 16.91400000 | | | 5000.000000 | | |
| 1 | 3 | FC | 22.44580000 | | | 5000.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 0.42600000 | | 160HA1A |
| 1 | 1 | 0.50000000 | | 2K66A2A |
| 1 | 1 | 0.50000000 | | 160HA1A |
| 1 | 1 | 0.51200000 | | 160HA1A |
| 1 | 2 | 4.35050000 | | 160HA1A |
| 1 | 2 | 6.32800000 | | 300HF1B |
| 1 | 2 | 6.47400000 | | 160HA1A |
| 1 | 2 | 8.43300000 | | 300HF1B |
| 1 | 2 | 8.43830000 | | 160HA1A |
| 1 | 3 | 12.63100000 | | 300HF1B |
| 1 | 3 | 12.99300000 | | 160HA1A |
| 1 | 3 | 16.91400000 | | 160HA1A |
| 1 | 3 | 22.44580000 | | 160HA1A |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 451 Mesa Rd, Bolinas, MARIN, CA | 37.91400000, -122.72263889 | 30.000 m | POLE | 30.000 m structure / 60.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | V | 0.0000 | | | |
| 2 | 1 | T | | 25.000 m | H | 5.0000 | 298.0000 | | |
| 3 | 1 | T | | 25.000 m | H | 10.8000 | 298.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 17400 Sir Frances Drake Blvd, Point Reyes, CA | MARIN | 4156697401 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-18 | KSM | LIREN |
| 2024-12-23 | KSM | LETRES |
| 2015-07-28 | KSM | LETCNS |
| 2015-03-25 | KSM | AUTHPR |
| 2015-03-24 | KSM | INTDUP |
| 2015-03-24 | KSM | LIREN |
| 2015-03-24 | KSM | COR |
| 2015-01-19 | KSM | ESUAPR |
| 2014-12-29 | KSM | LETRES |
| 2014-10-28 | KSM | LIMOD |
| 2014-10-28 | KSM | IFRBSE |
| 2014-08-28 | KSM | ESUAPR |
| 2014-08-02 | KSM | ESUAPR |
| 2010-12-15 | KSM | LIMOD |
| 2010-12-15 | KSM | IFRBSE |
| 2010-10-17 | KSM | ESUAPR |
| 2008-04-26 | KSM | LIAUA |
| 2008-04-25 | KSM | ESUAPR |
| 2007-07-31 | KSM | LETCNS |
| 2006-10-31 | KSM | LIMOD |
| 2006-09-11 | KSM | ESUAPR |
| 2006-01-05 | KSM | LIMOD |
| 2005-11-17 | KSM | ESUAPR |
| 2005-03-21 | KSM | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2703465 | 2026-08-02 02:08:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KSM | ULS 2703465 | 2026-08-02 02:08:23 |
| Status | A | ULS 2703465 | 2026-08-02 02:08:23 |
| Service | MC | ULS 2703465 | 2026-08-02 02:08:23 |
| Grant Date | 2025-03-18 | ULS 2703465 | 2026-08-02 02:08:23 |
| Expiration Date | 2035-03-21 | ULS 2703465 | 2026-08-02 02:08:23 |