Universal Licensing System
WNXZ704
AMPCO SYSTEM PARKING
License details
| ULS identifier | 1928818 |
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| Call sign | WNXZ704 |
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| Radio service | YU |
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| Status | E |
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| Grant date | 1997-04-25 |
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| Expiration | 2002-01-10 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 899.2 - 938.75 MHz (18 frequencies) |
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| Locations | 2 |
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| Representative location | SOUTH SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6891111, -122.4366389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:34 |
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Licensee
| Name | AMPCO SYSTEM PARKING |
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| Applicant type | C |
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| FRN | 0001527019 |
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| Location | SAN FRANCISCO, CA |
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| Address | SAN FRANCISCO, CA, 94128 |
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| Phone | 4157610270 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 899.20000000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.21250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.22500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.23750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.25000000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.71250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.72500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.73750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 899.75000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB4C | 938.20000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.21250000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.22500000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.23750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.25000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.71250000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.72500000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.73750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.75000000 | | | 100.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 899.20000000 | | 13K6F3E |
| 2 | 1 | 899.21250000 | | 13K6F3E |
| 2 | 1 | 899.22500000 | | 13K6F3E |
| 2 | 1 | 899.23750000 | | 13K6F3E |
| 2 | 1 | 899.25000000 | | 13K6F3E |
| 2 | 1 | 899.71250000 | | 13K6F3E |
| 2 | 1 | 899.72500000 | | 13K6F3E |
| 2 | 1 | 899.73750000 | | 13K6F3E |
| 2 | 1 | 899.75000000 | | 13K6F3E |
| 1 | 1 | 938.20000000 | | 13K6F3E |
| 1 | 1 | 938.21250000 | | 13K6F3E |
| 1 | 1 | 938.22500000 | | 13K6F3E |
| 1 | 1 | 938.23750000 | | 13K6F3E |
| 1 | 1 | 938.25000000 | | 13K6F3E |
| 1 | 1 | 938.71250000 | | 13K6F3E |
| 1 | 1 | 938.72500000 | | 13K6F3E |
| 1 | 1 | 938.73750000 | | 13K6F3E |
| 1 | 1 | 938.75000000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SAN BRUNO MOUNTAIN, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.68911111, -122.43663889 | 369.000 m | | 85.000 m structure | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 67.000 m | | | | 72.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | SAN FRANCISCO INTL ARPRT PARKING GARAGE 3RD LEVEL, SAN FRANCISCO, CA | | 4157610270 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-05 | WNXZ704 | LIEXP |
| 2001-10-15 | WNXZ704 | LETRES |
| 2000-11-24 | WNXZ704 | LICCNV |
| 1997-04-25 | WNXZ704 | LIREN |
| 1997-04-25 | WNXZ704 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1928818 | 2026-08-02 01:08:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNXZ704 | ULS 1928818 | 2026-08-02 01:08:34 |
| Status | E | ULS 1928818 | 2026-08-02 01:08:34 |
| Service | YU | ULS 1928818 | 2026-08-02 01:08:34 |
| Grant Date | 1997-04-25 | ULS 1928818 | 2026-08-02 01:08:34 |
| Expiration Date | 2002-01-10 | ULS 1928818 | 2026-08-02 01:08:34 |
| Cancellation Date | 2002-05-05 | ULS 1928818 | 2026-08-02 01:08:34 |