Universal Licensing System
WPPD947
EMPIRE COMMUNICATIONS INC
License details
| ULS identifier | 1816952 |
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| Call sign | WPPD947 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-11-03 |
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| Expiration | 2014-11-05 |
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| Cancellation | 2015-03-28 |
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| Frequency range | 489.5125 - 492.5125 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | NOVATO, MARIN, CA |
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| Coordinates | 38.0590833, -122.6038611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:49 |
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Licensee
| Name | EMPIRE COMMUNICATIONS INC |
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| Applicant type | C |
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| FRN | 0004517058 |
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| Location | WINDSOR, CA |
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| Address | 140 johnson st, WINDSOR, CA, 95492 |
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| Phone | 7078377000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 489.51250000 | | | 90.000000 | 291.000000 | |
| 2 | 1 | FB6 | 489.51250000 | | | 90.000000 | 163.000000 | |
| 3 | 1 | MO | 492.51250000 | | | 25.000000 | 63.000000 | |
| 3 | 1 | MO | 492.51250000 | | | 25.000000 | 63.000000 | |
| 4 | 1 | MO | 492.51250000 | | | 25.000000 | 63.000000 | |
| 4 | 1 | MO | 492.51250000 | | | 25.000000 | 63.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 489.51250000 | | 20K0F3E |
| 1 | 1 | 489.51250000 | | 11K0F3E |
| 2 | 1 | 489.51250000 | | 11K0F3E |
| 2 | 1 | 489.51250000 | | 20K0F3E |
| 3 | 1 | 492.51250000 | | 11K0F3E |
| 3 | 1 | 492.51250000 | | 20K0F3E |
| 3 | 1 | 492.51250000 | | 11K0F3E |
| 3 | 1 | 492.51250000 | | 20K0F3E |
| 4 | 1 | 492.51250000 | | 20K0F3E |
| 4 | 1 | 492.51250000 | | 11K0F3E |
| 4 | 1 | 492.51250000 | | 20K0F3E |
| 4 | 1 | 492.51250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BIG ROCK RIDGE, NOVATO, MARIN, CA | 38.05908333, -122.60386111 | 575.000 m | POLE | 25.000 m structure / 25.000 m overall | N |
| 2 | T | MOUNT VACA, VACAVILLE, SOLANO, CA | 38.40880556, -122.11052778 | 829.000 m | TOWER | 54.000 m structure / 61.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 443.000 | |
| 1 | 2 | T | | 61.000 m | | | | 623.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5610 SKYLANE STE B, SANTA ROSA, CA | | 7075458300 |
License history
| Date | File or call sign | Action |
|---|
| 2015-03-28 | WPPD947 | LIEXP |
| 2014-11-14 | WPPD947 | LTSAPR |
| 2014-08-11 | WPPD947 | LETRES |
| 2013-01-01 | WPPD947 | LIMOD |
| 2012-12-31 | WPPD947 | LTSAPR |
| 2004-11-03 | WPPD947 | LIREN |
| 2004-08-09 | WPPD947 | LETRES |
| 2001-10-11 | WPPD947 | AUDOPR |
| 2000-11-23 | WPPD947 | LICCNV |
| 1999-11-17 | WPPD947 | AUTHPR |
| 1999-11-05 | WPPD947 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1816952 | 2026-08-02 01:13:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPD947 | ULS 1816952 | 2026-08-02 01:13:49 |
| Status | E | ULS 1816952 | 2026-08-02 01:13:49 |
| Service | IG | ULS 1816952 | 2026-08-02 01:13:49 |
| Grant Date | 2004-11-03 | ULS 1816952 | 2026-08-02 01:13:49 |
| Expiration Date | 2014-11-05 | ULS 1816952 | 2026-08-02 01:13:49 |
| Cancellation Date | 2015-03-28 | ULS 1816952 | 2026-08-02 01:13:49 |