Universal Licensing System
WPRX550
SPARTA FOUNDRY INC
License details
| ULS identifier | 1948979 |
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| Call sign | WPRX550 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-03-12 |
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| Expiration | 2011-03-12 |
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| Cancellation | 2011-05-14 |
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| Frequency range | 451.975 - 461.85 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | SPARTA, KENT, MI |
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| Coordinates | 43.1569722, -85.7039167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:55 |
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Licensee
| Name | SPARTA FOUNDRY INC |
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| Applicant type | C |
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| FRN | 0004803938 |
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| Location | SPARTA, MI |
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| Address | 252 E GARDNER ST, SPARTA, MI, 49345 |
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| Phone | 6168875911 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MO | 451.97500000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | MO | 461.85000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.97500000 | | 20K0F3E |
| 1 | 1 | 461.85000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SPARTA, KENT, MI | 43.15697222, -85.70391667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 252 E GARDNER ST, SPARTA, MI | KENT | 6168875911 |
License history
| Date | File or call sign | Action |
|---|
| 2011-05-14 | WPRX550 | LIEXP |
| 2010-12-22 | WPRX550 | LETRES |
| 2001-11-08 | WPRX550 | AUDOPR |
| 2001-03-12 | WPRX550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1948979 | 2026-08-02 01:13:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPRX550 | ULS 1948979 | 2026-08-02 01:13:55 |
| Status | E | ULS 1948979 | 2026-08-02 01:13:55 |
| Service | IG | ULS 1948979 | 2026-08-02 01:13:55 |
| Grant Date | 2001-03-12 | ULS 1948979 | 2026-08-02 01:13:55 |
| Expiration Date | 2011-03-12 | ULS 1948979 | 2026-08-02 01:13:55 |
| Cancellation Date | 2011-05-14 | ULS 1948979 | 2026-08-02 01:13:55 |