Universal Licensing System
WPFI555
Spok, Inc.
License details
| ULS identifier | 1131782 |
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| Call sign | WPFI555 |
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| Radio service | GS |
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| Status | A |
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| Grant date | 2019-07-09 |
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| Expiration | 2029-07-21 |
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| Frequency range | 929.8875 MHz |
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| Locations | 2 |
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| Representative location | CENTREVILLE, ST. JOSEPH, MI |
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| Coordinates | 41.8611667, -85.5063889 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:44:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB6C | 929.88750000 | | | 250.000000 | 1000.000000 | |
| 4 | 1 | FB6C | 929.88750000 | | | 250.000000 | 1000.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 929.88750000 | | 20K0F1D |
| 2 | 1 | 929.88750000 | | 20K0F2D |
| 2 | 1 | 929.88750000 | | 20K0F3E |
| 4 | 1 | 929.88750000 | | 20K0F2D |
| 4 | 1 | 929.88750000 | | 20K0F1D |
| 4 | 1 | 929.88750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | .56 MI S OF SHIMMEL RD & BANKER, CENTREVILLE, ST. JOSEPH, MI | 41.86116667, -85.50638889 | 288.000 m | | 61.000 m structure | N |
| 4 | T | 1300 PLYMOUTH, GRAND RAPIDS, KENT, MI | 42.98752778, -85.62391667 | 235.000 m | | 152.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 58.000 m | | | | 84.000 | |
| 1 | 4 | T | | 122.000 m | | | | 134.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1800 W PARK DR STE 250, WESTBOROUGH, MA | | 5088706700 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-09 | WPFI555 | LIREN |
| 2019-04-29 | WPFI555 | LETRES |
| 2014-07-26 | WPFI555 | LIAUA |
| 2014-07-25 | WPFI555 | ESUAPR |
| 2010-03-09 | WPFI555 | ESCAPR |
| 2010-03-09 | WPFI555 | LIAUA |
| 2010-03-08 | WPFI555 | EFUAPR |
| 2010-03-08 | WPFI555 | ESUAPR |
| 2009-08-25 | WPFI555 | LIREN |
| 2009-07-15 | WPFI555 | ESUAPR |
| 2009-04-27 | WPFI555 | LETRES |
| 2008-12-17 | WPFI555 | LIASS |
| 2008-10-30 | WPFI555 | ESUAPR |
| 2008-07-23 | WPFI555 | LIAUA |
| 2008-07-22 | WPFI555 | ESUAPR |
| 2008-07-17 | WPFI555 | ESUAPR |
| 2008-07-17 | WPFI555 | LIAUA |
| 2007-06-19 | WPFI555 | LIASS |
| 2007-02-01 | WPFI555 | LITRAN |
| 2006-06-02 | WPFI555 | LITRAN |
| 2004-11-18 | WPFI555 | AUDEX |
| 2004-11-18 | WPFI555 | COR |
| 2004-09-28 | WPFI555 | LETAUS |
| 2003-07-02 | WPFI555 | LITRAN |
| 2002-06-03 | WPFI555 | LITRAN |
| 2001-12-06 | WPFI555 | LITRAN |
| 2001-11-07 | WPFI555 | LIASS |
| 2001-04-05 | WPFI555 | LIMOD |
| 2001-02-16 | WPFI555 | LIASS |
| 2000-09-15 | WPFI555 | LICCNV |
| 2000-07-24 | WPFI555 | AUTHPR |
| 2000-07-24 | WPFI555 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1131782 | 2026-08-02 00:44:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPFI555 | ULS 1131782 | 2026-08-02 00:44:12 |
| Status | A | ULS 1131782 | 2026-08-02 00:44:12 |
| Service | GS | ULS 1131782 | 2026-08-02 00:44:12 |
| Grant Date | 2019-07-09 | ULS 1131782 | 2026-08-02 00:44:12 |
| Expiration Date | 2029-07-21 | ULS 1131782 | 2026-08-02 00:44:12 |