Universal Licensing System
KPH423
Nexstar Media Inc.
License details
| ULS identifier | 1120002 |
|---|
| Call sign | KPH423 |
|---|
| Radio service | RP |
|---|
| Status | A |
|---|
| Grant date | 1994-12-12 |
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| Expiration | 2022-12-01 |
|---|
| Frequency range | 450.4375 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | MOUNT TAMALPAIS, MARIN, CA |
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| Coordinates | 37.9288056, -122.5874722 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-16 00:45:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 450.43750000 | | | 75.000000 | 288.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 450.43750000 | | 25K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2001 RIDGECREST BLVD STATE PARK NEAR MILL VALLEY CA, MOUNT TAMALPAIS, MARIN, CA | 37.92880556, -122.58747222 | 2520.000 m | | 52.000 m structure / 52.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 19.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-07-02 | KPH423 | LIAUA |
| 2021-08-25 | KPH423 | LIAUA |
| 2021-06-30 | KPH423 | PNACT |
| 2021-06-24 | KPH423 | AUTHPR |
| 2021-06-23 | KPH423 | LIMOD |
| 2020-10-14 | KPH423 | PNACT |
| 2020-10-07 | KPH423 | AUTHPR |
| 2020-10-06 | KPH423 | LIMOD |
| 2020-05-06 | KPH423 | PNACT |
| 2020-05-02 | KPH423 | PLAUPR |
| 2020-05-02 | KPH423 | LIREN |
| 2017-03-29 | KPH423 | PNACT |
| 2017-03-21 | KPH423 | AUTHPR |
| 2017-03-20 | KPH423 | LIMOD |
| 2017-02-18 | KPH423 | LIAUA |
| 2017-02-15 | KPH423 | PNACT |
| 2017-02-10 | KPH423 | PLAUPR |
| 2017-02-09 | KPH423 | LIMOD |
| 2015-10-16 | KPH423 | LTSAPR |
| 2015-10-16 | KPH423 | LIAUA |
| 2015-09-30 | KPH423 | PNACT |
| 2015-09-29 | KPH423 | PLAUPR |
| 2015-09-26 | KPH423 | LIREN |
| 2014-05-14 | KPH423 | PNACT |
| 2014-05-08 | KPH423 | AUTHPR |
| 2014-05-07 | KPH423 | LIMOD |
| 2010-09-22 | KPH423 | PNACT |
| 2010-09-15 | KPH423 | AUTHPR |
| 2010-09-14 | KPH423 | LIMOD |
| 2010-09-10 | KPH423 | LTSFRN |
| 2010-09-08 | KPH423 | PNACT |
| 2010-09-03 | KPH423 | AUTHPR |
| 2010-09-02 | KPH423 | LIMOD |
| 2010-08-18 | KPH423 | PNACT |
| 2010-08-11 | KPH423 | AUTHPR |
| 2010-08-10 | KPH423 | LIMOD |
| 2010-06-30 | KPH423 | PNACT |
| 2010-06-23 | KPH423 | AUTHPR |
| 2010-06-22 | KPH423 | LIREN |
| 2009-04-15 | KPH423 | LTSFNR |
| 2009-04-14 | KPH423 | AUTHPR |
| 2009-03-21 | KPH423 | PARREB |
| 2006-03-06 | KPH423 | LTSAPR |
| 2006-03-04 | KPH423 | LIAUA |
| 2006-01-18 | KPH423 | PNACT |
| 2006-01-13 | KPH423 | PARSIL |
| 2006-01-13 | KPH423 | AUTHPR |
| 2006-01-13 | KPH423 | LIMOD |
| 2005-03-30 | KPH423 | PNACT |
| 2005-03-25 | KPH423 | LIMOD |
| 2005-03-25 | KPH423 | AUTHPR |
| 2003-03-05 | KPH423 | PNACT |
| 2003-02-27 | KPH423 | AUTHPR |
| 2003-02-27 | KPH423 | LIMOD |
| 2003-02-10 | KPH423 | AUTHPR |
| 2003-01-29 | KPH423 | PNACT |
| 2003-01-23 | KPH423 | AUTHPR |
| 2003-01-21 | KPH423 | LIMOD |
| 2000-12-27 | KPH423 | AUTHPR |
| 2000-12-26 | KPH423 | INTDUP |
| 2000-12-26 | KPH423 | COR |
| 2000-09-15 | KPH423 | LICCNV |
| 1999-01-07 | KPH423 | AUTHPR |
| 1994-12-12 | KPH423 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1120002 | 2026-08-16 00:45:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KPH423 | ULS 1120002 | 2026-08-16 00:45:33 |
| Status | A | ULS 1120002 | 2026-08-16 00:45:33 |
| Service | RP | ULS 1120002 | 2026-08-16 00:45:33 |
| Grant Date | 1994-12-12 | ULS 1120002 | 2026-08-16 00:45:33 |
| Expiration Date | 2022-12-01 | ULS 1120002 | 2026-08-16 00:45:33 |