Universal Licensing System
KDP4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1964767 |
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| Call sign | KDP4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2017-02-28 |
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| Expiration | 2027-03-24 |
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| Frequency range | 130.4 MHz |
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| Locations | 1 |
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| Representative location | SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6166111, -122.3844167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:24 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FA | 130.40000000 | | | 55.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 130.40000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SAN FRANCISCO INTERNATIONAL AIRPORT, SAN FRANCISCO, SAN MATEO, CA | 37.61661111, -122.38441667 | 11.000 m | BANT | 9.000 m structure / 11.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 11.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 6011 INDUSTRIAL WAY, LIVERMORE, CA | ALAMEDA | 9252948400 |
License history
| Date | File or call sign | Action |
|---|
| 2017-02-28 | KDP4 | LIREN |
| 2016-12-26 | KDP4 | LETRES |
| 2015-02-06 | KDP4 | LIAUA |
| 2015-02-05 | KDP4 | LIAUA |
| 2015-02-05 | KDP4 | ESUAPR |
| 2015-02-04 | KDP4 | ESUAPR |
| 2012-05-02 | KDP4 | LIMOD |
| 2012-03-07 | KDP4 | ESUAPR |
| 2009-07-28 | KDP4 | LIAUA |
| 2009-07-27 | KDP4 | ESUAPR |
| 2007-03-13 | KDP4 | LIREN |
| 2007-03-01 | KDP4 | AUTHPR |
| 2007-01-01 | KDP4 | LETRES |
| 2006-03-07 | KDP4 | AUTHPR |
| 2006-01-01 | KDP4 | LIASS |
| 2005-07-25 | KDP4 | ESCAPR |
| 2002-02-12 | KDP4 | LIREN |
| 2001-12-31 | KDP4 | LETRES |
| 2001-04-27 | KDP4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1964767 | 2026-08-02 02:08:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KDP4 | ULS 1964767 | 2026-08-02 02:08:24 |
| Status | A | ULS 1964767 | 2026-08-02 02:08:24 |
| Service | AF | ULS 1964767 | 2026-08-02 02:08:24 |
| Grant Date | 2017-02-28 | ULS 1964767 | 2026-08-02 02:08:24 |
| Expiration Date | 2027-03-24 | ULS 1964767 | 2026-08-02 02:08:24 |