Universal Licensing System
WPRK571
RF DATA INC
License details
| ULS identifier | 1926444 |
|---|
| Call sign | WPRK571 |
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| Radio service | YG |
|---|
| Status | E |
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| Grant date | 2000-10-31 |
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| Expiration | 2005-10-31 |
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| Cancellation | 2006-01-07 |
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| Frequency range | 451.9125 - 457.4375 MHz (6 frequencies) |
|---|
| Locations | 2 |
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| Representative location | WHILLIER, ORANGE, CA |
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| Coordinates | 33.8503056, -117.6536667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 451.91250000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB8 | 452.38750000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB8 | 452.43750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO6 | 456.91250000 | | | 20.000000 | | |
| 2 | 1 | MO6 | 457.38750000 | | | 20.000000 | | |
| 2 | 1 | MO6 | 457.43750000 | | | 20.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.91250000 | | 11K0F3E |
| 1 | 1 | 452.38750000 | | 11K0F3E |
| 1 | 1 | 452.43750000 | | 11K0F3E |
| 2 | 1 | 456.91250000 | | 11K0F3E |
| 2 | 1 | 457.38750000 | | 11K0F3E |
| 2 | 1 | 457.43750000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ALLEN PEAK, WHILLIER, ORANGE, CA | 33.85030556, -117.65366667 | 921.000 m | B | 9.000 m structure / 10.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.000 m | | | | 521.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | | | 7022528525 |
License history
| Date | File or call sign | Action |
|---|
| 2006-01-07 | WPRK571 | LIEXP |
| 2005-08-08 | WPRK571 | LETRES |
| 2005-06-24 | WPRK571 | ESUAPR |
| 2005-06-24 | WPRK571 | LIAUA |
| 2002-02-19 | WPRK571 | AUDOPR |
| 2000-11-24 | WPRK571 | LICCNV |
| 2000-10-31 | WPRK571 | AUTHPR |
| 2000-10-31 | WPRK571 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1926444 | 2026-08-02 01:09:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRK571 | ULS 1926444 | 2026-08-02 01:09:15 |
| Status | E | ULS 1926444 | 2026-08-02 01:09:15 |
| Service | YG | ULS 1926444 | 2026-08-02 01:09:15 |
| Grant Date | 2000-10-31 | ULS 1926444 | 2026-08-02 01:09:15 |
| Expiration Date | 2005-10-31 | ULS 1926444 | 2026-08-02 01:09:15 |
| Cancellation Date | 2006-01-07 | ULS 1926444 | 2026-08-02 01:09:15 |