Universal Licensing System
WPKX231
Motient Communications Inc.
License details
| ULS identifier | 1583004 |
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| Call sign | WPKX231 |
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| Radio service | GB |
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| Status | C |
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| Grant date | 2002-07-25 |
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| Expiration | 2012-08-26 |
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| Cancellation | 2004-02-12 |
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| Frequency range | 809.7625 - 854.7625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | GRANT RAPIDS, KENT, MI |
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| Coordinates | 42.8966944, -85.6491944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:04 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 809.76250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB6C | 854.76250000 | | | 100.000000 | 288.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 809.76250000 | | 20K0F1D |
| 1 | 1 | 854.76250000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3647 LINDEN AVENUE, GRANT RAPIDS, KENT, MI | 42.89669444, -85.64919444 | 211.000 m | TOWER | 55.000 m structure / 55.000 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 50.000 m | | | | 40.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 300 KNIGHTSBRIDGE PKY, LINCOLNSHIRE, IL | LAKE | 8474784212 |
License history
| Date | File or call sign | Action |
|---|
| 2004-02-13 | WPKX231 | LICAN |
| 2002-07-25 | WPKX231 | LIREN |
| 2002-06-18 | WPKX231 | LIAUA |
| 2002-06-03 | WPKX231 | LETRES |
| 2002-04-26 | WPKX231 | LIASS |
| 2002-03-05 | WPKX231 | LIASS |
| 2002-02-20 | WPKX231 | LIASS |
| 2001-05-14 | WPKX231 | LIMOD |
| 2000-11-22 | WPKX231 | LICCNV |
| 2000-06-22 | WPKX231 | AUTHPR |
| 2000-05-31 | WPKX231 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1583004 | 2026-08-02 01:14:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKX231 | ULS 1583004 | 2026-08-02 01:14:04 |
| Status | C | ULS 1583004 | 2026-08-02 01:14:04 |
| Service | GB | ULS 1583004 | 2026-08-02 01:14:04 |
| Grant Date | 2002-07-25 | ULS 1583004 | 2026-08-02 01:14:04 |
| Expiration Date | 2012-08-26 | ULS 1583004 | 2026-08-02 01:14:04 |
| Cancellation Date | 2004-02-12 | ULS 1583004 | 2026-08-02 01:14:04 |