Universal Licensing System
WNNY409
AT&T CALIFORNIA
License details
| ULS identifier | 1878872 |
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| Call sign | WNNY409 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2002-10-24 |
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| Expiration | 2012-11-25 |
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| Cancellation | 2012-08-30 |
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| Frequency range | 451.3 - 451.5 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | DALY CITY, SAN MATEO, CA |
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| Coordinates | 37.6860278, -122.4935833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB2C | 451.30000000 | | | 25.000000 | 147.000000 | |
| 4 | 1 | FB2C | 451.30000000 | | | 30.000000 | 144.000000 | |
| 5 | 1 | FB2C | 451.35000000 | | | 40.000000 | 84.000000 | |
| 1 | 1 | FB2C | 451.50000000 | | | 30.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.30000000 | | 20K0F2D |
| 3 | 1 | 451.30000000 | | 20K0F3E |
| 4 | 1 | 451.30000000 | | 20K0F3E |
| 4 | 1 | 451.30000000 | | 20K0F2D |
| 5 | 1 | 451.35000000 | | 20K0F3E |
| 5 | 1 | 451.35000000 | | 20K0F2D |
| 1 | 1 | 451.50000000 | | 20K0F3E |
| 1 | 1 | 451.50000000 | | 20K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | RESEVOIR 5 NR PALISADES DRIVE, DALY CITY, SAN MATEO, CA | 37.68602778, -122.49358333 | 166.900 m | TOWER | 14.900 m structure / 21.000 m overall | N |
| 3 | T | 525 KELLY AVENUE, HALF MOON BAY, SAN MATEO, CA | 37.46430556, -122.43266667 | 19.500 m | POLE | 13.500 m structure / 19.200 m overall | N |
| 4 | T | .8 MI SE OF COLEMAN RD & WINFIELD BLVD, SAN JOSE, SANTA CLARA, CA | 37.23763889, -121.86394444 | 148.300 m | TOWER | 24.600 m structure / 30.300 m overall | N |
| 5 | T | COYOTE HILLS 3 MI WNW OF NEWARK, FREMONT, ALAMEDA, CA | 37.54033333, -122.08261111 | 86.600 m | POLE | 11.800 m structure / 17.800 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | | 152.800 | |
| 1 | 3 | T | | 19.200 m | | | | -73.200 | |
| 1 | 4 | T | | 27.000 m | | | | -47.800 | |
| 1 | 5 | T | | 17.800 m | | | | 66.900 | |
Control points
| Number | Address | County | Phone |
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| 1 | NOC RADIO DESK - 3601 KINGS WAY, SACRAMENTO, CA | SACRAMENTO | 9169777972 |
License history
| Date | File or call sign | Action |
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| 2012-09-01 | WNNY409 | LICAN |
| 2006-03-24 | WNNY409 | ESCAPR |
| 2006-03-24 | WNNY409 | LIAUA |
| 2006-03-23 | WNNY409 | EFUAPR |
| 2006-03-23 | WNNY409 | ESUAPR |
| 2002-10-24 | WNNY409 | LIREN |
| 2002-09-03 | WNNY409 | LETRES |
| 2002-02-19 | WNNY409 | AUDOPR |
| 2001-08-21 | WNNY409 | LIAUA |
| 2001-07-30 | WNNY409 | LIMOD |
| 2000-11-24 | WNNY409 | LICCNV |
| 1997-08-28 | WNNY409 | AUTHPR |
| 1995-02-07 | WNNY409 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1878872 | 2026-08-02 01:08:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNNY409 | ULS 1878872 | 2026-08-02 01:08:42 |
| Status | C | ULS 1878872 | 2026-08-02 01:08:42 |
| Service | IG | ULS 1878872 | 2026-08-02 01:08:42 |
| Grant Date | 2002-10-24 | ULS 1878872 | 2026-08-02 01:08:42 |
| Expiration Date | 2012-11-25 | ULS 1878872 | 2026-08-02 01:08:42 |
| Cancellation Date | 2012-08-30 | ULS 1878872 | 2026-08-02 01:08:42 |