Universal Licensing System
WPTK644
MICHAEL J. DAVIS
License details
| ULS identifier | 2358669 |
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| Call sign | WPTK644 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-10-22 |
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| Expiration | 2011-10-22 |
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| Cancellation | 2011-12-24 |
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| Frequency range | 457.5125 - 469.8875 MHz (8 frequencies) |
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| Locations | 1 |
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| Representative location | RIVERSIDE, RIVERSIDE, CA |
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| Coordinates | 33.9533333, -117.3952778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:23 |
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Licensee
| Name | MICHAEL J. DAVIS |
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| Applicant type | C |
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| FRN | 0005285770 |
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| Location | Riverside, CA |
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| Address | 3850 LA SIERRA AVE, Riverside, CA, 92505 |
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| Phone | 9093599359 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 457.51250000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 457.53750000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 457.56250000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 457.58750000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 457.61250000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 468.48750000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 468.76250000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 468.83750000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 469.13750000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 469.46250000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 469.63750000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 469.66250000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 469.88750000 | | | 1.000000 | 1.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 457.51250000 | | 11K2F3E |
| 1 | 1 | 457.53750000 | | 11K2F3E |
| 1 | 1 | 457.56250000 | | 11K2F3E |
| 1 | 1 | 457.58750000 | | 11K2F3E |
| 1 | 1 | 457.61250000 | | 11K2F3E |
| 1 | 1 | 468.48750000 | | 11K2F3E |
| 1 | 1 | 468.76250000 | | 11K2F3E |
| 1 | 1 | 468.83750000 | | 11K2F3E |
| 1 | 1 | 469.13750000 | | 11K2F3E |
| 1 | 1 | 469.46250000 | | 11K2F3E |
| 1 | 1 | 469.63750000 | | 11K2F3E |
| 1 | 1 | 469.66250000 | | 11K2F3E |
| 1 | 1 | 469.88750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3850 LA SIERRA AVE, RIVERSIDE, RIVERSIDE, CA | 33.95333333, -117.39527778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3850 LA SIERRA AVE, RIVERSIDE, CA | RIVERSIDE | 9093599359 |
License history
| Date | File or call sign | Action |
|---|
| 2011-12-24 | WPTK644 | LIEXP |
| 2011-08-01 | WPTK644 | LETRES |
| 2002-07-22 | WPTK644 | LETCNS |
| 2001-10-22 | WPTK644 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2358669 | 2026-08-02 01:14:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTK644 | ULS 2358669 | 2026-08-02 01:14:23 |
| Status | E | ULS 2358669 | 2026-08-02 01:14:23 |
| Service | IG | ULS 2358669 | 2026-08-02 01:14:23 |
| Grant Date | 2001-10-22 | ULS 2358669 | 2026-08-02 01:14:23 |
| Expiration Date | 2011-10-22 | ULS 2358669 | 2026-08-02 01:14:23 |
| Cancellation Date | 2011-12-24 | ULS 2358669 | 2026-08-02 01:14:23 |