Universal Licensing System
WPYR581
CENTRAL MICHIGAN UNIVERSITY
License details
| ULS identifier | 2552710 |
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| Call sign | WPYR581 |
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| Radio service | TS |
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| Status | A |
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| Grant date | 2003-10-07 |
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| Expiration | 2029-10-01 |
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| Frequency range | 6937.5 MHz |
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| Locations | 2 |
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| Representative location | Baldwin, LAKE, MI |
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| Coordinates | 43.9805556, -85.8397222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:15 |
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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 | FXO | 6937.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6937.50000000 | | 25M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | Baldwin Michigan, Baldwin, LAKE, MI | 43.98055556, -85.83972222 | 360.800 m | TOWER | 92.900 m structure / 92.900 m overall | |
| 2 | R | | 44.06583333, -86.31611111 | 219.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew HP8-65 | | H | 43.2000 | 283.5000 | | |
| 1 | 2 | R | Andrew HP10-65 | | | 43.4000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1999 East Campus Dr., Mt Pleasant, MI | ISABELLA | 9897743105 |
License history
| Date | File or call sign | Action |
|---|
| 2021-09-15 | WPYR581 | PNACT |
| 2021-09-10 | WPYR581 | PLAUPR |
| 2021-09-09 | WPYR581 | LIREN |
| 2021-05-05 | WPYR581 | PNACT |
| 2021-05-04 | WPYR581 | PLAUPR |
| 2021-05-01 | WPYR581 | LIMOD |
| 2013-10-30 | WPYR581 | PNACT |
| 2013-10-25 | WPYR581 | AUTHPR |
| 2013-10-24 | WPYR581 | LIREN |
| 2008-03-12 | WPYR581 | PNACT |
| 2008-03-07 | WPYR581 | AUTHPR |
| 2008-03-06 | WPYR581 | LIMOD |
| 2005-10-12 | WPYR581 | PNACT |
| 2005-10-08 | WPYR581 | AUTHPR |
| 2005-10-07 | WPYR581 | LIREN |
| 2005-01-03 | WPYR581 | LETCNS |
| 2003-10-07 | WPYR581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2552710 | 2026-08-02 02:44:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYR581 | ULS 2552710 | 2026-08-02 02:44:15 |
| Status | A | ULS 2552710 | 2026-08-02 02:44:15 |
| Service | TS | ULS 2552710 | 2026-08-02 02:44:15 |
| Grant Date | 2003-10-07 | ULS 2552710 | 2026-08-02 02:44:15 |
| Expiration Date | 2029-10-01 | ULS 2552710 | 2026-08-02 02:44:15 |