Universal Licensing System
WPKS554
SERVICE MASTER
License details
| ULS identifier | 1751046 |
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| Call sign | WPKS554 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-06-23 |
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| Expiration | 2002-06-23 |
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| Cancellation | 2002-10-27 |
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| Frequency range | 422.775 - 469.325 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | DETROIT, WAYNE, MI |
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| Coordinates | 42.3528056, -83.0551944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:29:03 |
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Licensee
| Name | SERVICE MASTER |
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| Applicant type | C |
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| Location | DETROIT, MI |
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| Address | 4201 SAINT ANTOINE, DETROIT, MI, 48201 |
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| Phone | 3137452878 |
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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 | FB2 | 422.77500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 422.77500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 427.77500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 464.32500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 464.32500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.32500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 422.77500000 | | 20K0F3E |
| 2 | 1 | 422.77500000 | | 20K0F3E |
| 2 | 1 | 427.77500000 | | 20K0F3E |
| 1 | 1 | 464.32500000 | | 20K0F3E |
| 2 | 1 | 464.32500000 | | 20K0F3E |
| 2 | 1 | 469.32500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3901 BEAUBIAN, DETROIT, WAYNE, MI | 42.35280556, -83.05519444 | 191.000 m | B | 23.000 m structure / 24.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 24.000 m | | | | 30.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4201 SAINT ANTOINE, DETROIT, MI | | 3137452878 |
License history
| Date | File or call sign | Action |
|---|
| 2002-10-27 | WPKS554 | LIEXP |
| 2002-05-20 | WPKS554 | LETAUS |
| 2002-04-01 | WPKS554 | LETRES |
| 2000-11-23 | WPKS554 | LICCNV |
| 1997-06-23 | WPKS554 | LIISS |
| 1997-06-23 | WPKS554 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1751046 | 2026-08-02 01:29:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKS554 | ULS 1751046 | 2026-08-02 01:29:03 |
| Status | E | ULS 1751046 | 2026-08-02 01:29:03 |
| Service | IG | ULS 1751046 | 2026-08-02 01:29:03 |
| Grant Date | 1997-06-23 | ULS 1751046 | 2026-08-02 01:29:03 |
| Expiration Date | 2002-06-23 | ULS 1751046 | 2026-08-02 01:29:03 |
| Cancellation Date | 2002-10-27 | ULS 1751046 | 2026-08-02 01:29:03 |