Universal Licensing System
WPKU779
ROTO ROOTER
License details
| ULS identifier | 1929428 |
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| Call sign | WPKU779 |
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| Radio service | YU |
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| Status | E |
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| Grant date | 1997-07-25 |
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| Expiration | 2002-07-25 |
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| Cancellation | 2002-11-24 |
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| Frequency range | 900.1375 - 939.1875 MHz (10 frequencies) |
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| Locations | 3 |
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| Representative location | FOLSOM, EL DORADO, CA |
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| Coordinates | 38.7193333, -120.9910556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:08 |
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Licensee
| Name | ROTO ROOTER |
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| Applicant type | C |
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| Location | LOS ANGELES, CA |
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| Address | 4017 WHITTIER BLVD, LOS ANGELES, CA, 90023 |
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| Phone | 9164821400 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 900.13750000 | | | 12.000000 | 12.000000 | |
| 3 | 1 | MO | 900.13750000 | | | 12.000000 | 12.000000 | |
| 2 | 1 | FX1 | 900.15000000 | | | 12.000000 | 12.000000 | |
| 3 | 1 | MO | 900.15000000 | | | 12.000000 | 12.000000 | |
| 2 | 1 | FX1 | 900.16250000 | | | 12.000000 | 12.000000 | |
| 3 | 1 | MO | 900.16250000 | | | 12.000000 | 12.000000 | |
| 2 | 1 | FX1 | 900.17500000 | | | 12.000000 | 12.000000 | |
| 3 | 1 | MO | 900.17500000 | | | 12.000000 | 12.000000 | |
| 2 | 1 | FX1 | 900.18750000 | | | 12.000000 | 12.000000 | |
| 3 | 1 | MO | 900.18750000 | | | 12.000000 | 12.000000 | |
| 1 | 1 | FB4C | 939.13750000 | | | 160.000000 | 160.000000 | |
| 1 | 1 | FB4C | 939.15000000 | | | 160.000000 | 160.000000 | |
| 1 | 1 | FB4C | 939.16250000 | | | 160.000000 | 160.000000 | |
| 1 | 1 | FB4C | 939.17500000 | | | 160.000000 | 160.000000 | |
| 1 | 1 | FB4C | 939.18750000 | | | 160.000000 | 160.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 900.13750000 | | 13K6F3E |
| 3 | 1 | 900.13750000 | | 13K6F3E |
| 2 | 1 | 900.15000000 | | 13K6F3E |
| 3 | 1 | 900.15000000 | | 13K6F3E |
| 2 | 1 | 900.16250000 | | 13K6F3E |
| 3 | 1 | 900.16250000 | | 13K6F3E |
| 2 | 1 | 900.17500000 | | 13K6F3E |
| 3 | 1 | 900.17500000 | | 13K6F3E |
| 2 | 1 | 900.18750000 | | 13K6F3E |
| 3 | 1 | 900.18750000 | | 13K6F3E |
| 1 | 1 | 939.13750000 | | 13K6F3E |
| 1 | 1 | 939.15000000 | | 13K6F3E |
| 1 | 1 | 939.16250000 | | 13K6F3E |
| 1 | 1 | 939.17500000 | | 13K6F3E |
| 1 | 1 | 939.18750000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PINE HILL, FOLSOM, EL DORADO, CA | 38.71933333, -120.99105556 | 621.000 m | TOWER | 24.000 m structure / 24.000 m overall | N |
| 2 | T | CA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 23.000 m | | | | 342.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4017 WHITTIER BLVD, LOS ANGELES, CA | | 9164821400 |
License history
| Date | File or call sign | Action |
|---|
| 2002-11-24 | WPKU779 | LIEXP |
| 2002-04-29 | WPKU779 | LETRES |
| 2000-11-24 | WPKU779 | LICCNV |
| 1997-07-25 | WPKU779 | AUTHPR |
| 1997-07-25 | WPKU779 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1929428 | 2026-08-02 01:28:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKU779 | ULS 1929428 | 2026-08-02 01:28:08 |
| Status | E | ULS 1929428 | 2026-08-02 01:28:08 |
| Service | YU | ULS 1929428 | 2026-08-02 01:28:08 |
| Grant Date | 1997-07-25 | ULS 1929428 | 2026-08-02 01:28:08 |
| Expiration Date | 2002-07-25 | ULS 1929428 | 2026-08-02 01:28:08 |
| Cancellation Date | 2002-11-24 | ULS 1929428 | 2026-08-02 01:28:08 |