Universal Licensing System
KNKO997
Spok, Inc.
License details
| ULS identifier | 4243 |
|---|
| Call sign | KNKO997 |
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| Radio service | CD |
|---|
| Status | C |
|---|
| Grant date | 2008-08-12 |
|---|
| Expiration | 2018-07-01 |
|---|
| Cancellation | 2018-04-12 |
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| Frequency range | 931.8625 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | WINFIELD, DUPAGE, IL |
|---|
| Coordinates | 41.8586389, -88.1817222 |
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| Source archive | l_paging.zip |
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| Dataset refreshed | 2026-09-01 08:27:47 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FBBS | 931.86250000 | | | | 867.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 931.86250000 | | 16K0F1D |
| 1 | 1 | 931.86250000 | | 15K0F2D |
| 1 | 1 | 931.86250000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2.8 MILES WEST 650 ROOSEVELT ROAD, WINFIELD, DUPAGE, IL | 41.85863889, -88.18172222 | 79.200 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | DECI DB-809 | | V | 9.0000 | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 3000 TECHNOLOGY DRIVE, SUITE 400, PLANO, TX | COLLIN | 8009891296 |
License history
| Date | File or call sign | Action |
|---|
| 2018-04-13 | KNKO997 | LICAN |
| 2014-07-26 | KNKO997 | LIAUA |
| 2014-07-25 | KNKO997 | ESUAPR |
| 2010-03-09 | KNKO997 | LIAUA |
| 2010-03-09 | KNKO997 | ESCAPR |
| 2010-03-08 | KNKO997 | EFUAPR |
| 2010-03-08 | KNKO997 | ESUAPR |
| 2008-12-17 | KNKO997 | LIASS |
| 2008-10-30 | KNKO997 | ESUAPR |
| 2008-08-12 | KNKO997 | LIREN |
| 2008-07-02 | KNKO997 | ESUAPR |
| 2008-04-07 | KNKO997 | LETRES |
| 2005-06-15 | KNKO997 | LIAUA |
| 2005-06-14 | KNKO997 | ESUAPR |
| 2004-12-07 | KNKO997 | LETAFU |
| 2004-12-03 | KNKO997 | LIAUA |
| 2004-12-03 | KNKO997 | ESCAPR |
| 2004-12-02 | KNKO997 | ESUAPR |
| 2004-12-02 | KNKO997 | ESCAPR |
| 2004-12-02 | KNKO997 | LIAUA |
| 2004-12-02 | KNKO997 | EFUAPR |
| 2004-12-01 | KNKO997 | ESUAPR |
| 2004-12-01 | KNKO997 | EFUAPR |
| 2004-11-12 | KNKO997 | AUDOPR |
| 2004-09-28 | KNKO997 | LETAUS |
| 2003-08-09 | KNKO997 | LITRAN |
| 2002-07-17 | KNKO997 | AUTHPR |
| 2002-07-13 | KNKO997 | LIAUA |
| 2002-06-03 | KNKO997 | LIASS |
| 2002-01-25 | KNKO997 | AUTHPR |
| 2002-01-18 | KNKO997 | AUTHPR |
| 2001-12-06 | KNKO997 | LIASS |
| 2000-11-10 | KNKO997 | LITRAN |
| 2000-02-17 | KNKO997 | LIAUA |
| 1999-10-13 | KNKO997 | AUTHPR |
| 1999-10-08 | KNKO997 | LIASS |
| 1999-09-21 | KNKO997 | AUTHPR |
| 1999-06-03 | KNKO997 | LITRAN |
| 1999-02-27 | KNKO997 | LIAUA |
| 1999-02-04 | KNKO997 | AUTHPR |
| 1998-10-11 | KNKO997 | COR |
| 1998-07-30 | KNKO997 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4243 | 2026-08-02 02:52:17 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNKO997 | ULS 4243 | 2026-09-01 08:27:47 |
| Status | C | ULS 4243 | 2026-09-01 08:27:47 |
| Service | CD | ULS 4243 | 2026-09-01 08:27:47 |
| Grant Date | 2008-08-12 | ULS 4243 | 2026-09-01 08:27:47 |
| Expiration Date | 2018-07-01 | ULS 4243 | 2026-09-01 08:27:47 |
| Cancellation Date | 2018-04-12 | ULS 4243 | 2026-09-01 08:27:47 |
Related FCC records
| System or type | Record | Relationship |
|---|
| COMPANY | Spok, Inc. | Filed By |