Universal Licensing System
KB55028
CBS BROADCASTING INC.
License details
| ULS identifier | 956004 |
|---|
| Call sign | KB55028 |
|---|
| Radio service | TP |
|---|
| Status | A |
|---|
| Grant date | 1983-08-23 |
|---|
| Expiration | 2029-12-01 |
|---|
| Frequency range | 2450 - 13250 MHz (9 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.8836944, -87.6293056 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:38 |
|---|
Licensee
| Name | CBS BROADCASTING INC. |
|---|
| Applicant type | C |
|---|
| FRN | 0003482189 |
|---|
| Location | Washington, DC |
|---|
| Address | 1275 Pennsylvania Ave. NW Suite 710 - Licensing Dept., Washington, DC, 20004 |
|---|
| Phone | 2024574505 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 2025.50000000 | 2109.50000000 | | | | |
| 1 | 6 | MO | 2025.50000000 | 2109.50000000 | | | | |
| 1 | 7 | MO | 2025.50000000 | 2109.50000000 | | | | |
| 1 | 1 | MO | 2450.00000000 | 2467.00000000 | | | | |
| 1 | 6 | MO | 2450.00000000 | 2467.00000000 | | | | |
| 1 | 7 | MO | 2450.00000000 | 2467.00000000 | | | | |
| 1 | 1 | MO | 2467.00000000 | 2483.50000000 | | | | |
| 1 | 6 | MO | 2467.00000000 | 2483.50000000 | | | | |
| 1 | 7 | MO | 2467.00000000 | 2483.50000000 | | | | |
| 1 | 1 | MO | 2483.50000000 | 2500.00000000 | | | | |
| 1 | 6 | MO | 2483.50000000 | 2500.00000000 | | | | |
| 1 | 1 | MO | 6425.00000000 | 6525.00000000 | | | | |
| 1 | 6 | MO | 6425.00000000 | 6525.00000000 | | | | |
| 1 | 7 | MO | 6425.00000000 | 6525.00000000 | | | | |
| 1 | 1 | MO | 6875.00000000 | 7125.00000000 | | | | |
| 1 | 6 | MO | 6875.00000000 | 7125.00000000 | | | | |
| 1 | 7 | MO | 6875.00000000 | 7125.00000000 | | | | |
| 1 | 6 | MO | 12700.00000000 | 13250.00000000 | | | | |
| 1 | 7 | MO | 12700.00000000 | 13250.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 2025.50000000 | | 12M0F8W |
| 1 | 1 | 2025.50000000 | | 12M0D7W |
| 1 | 1 | 2025.50000000 | | 12M0W7D |
| 1 | 6 | 2025.50000000 | | 12M0F8W |
| 1 | 6 | 2025.50000000 | | 12M0D7W |
| 1 | 6 | 2025.50000000 | | 12M0W7D |
| 1 | 7 | 2025.50000000 | | 12M0D7W |
| 1 | 7 | 2025.50000000 | | 12M0W7D |
| 1 | 7 | 2025.50000000 | | 12M0F8W |
| 1 | 1 | 2450.00000000 | | 17M0W7D |
| 1 | 1 | 2450.00000000 | | 17M0D7W |
| 1 | 1 | 2450.00000000 | | 17M0F8W |
| 1 | 6 | 2450.00000000 | | 17M0W7D |
| 1 | 6 | 2450.00000000 | | 17M0D7W |
| 1 | 6 | 2450.00000000 | | 17M0F8W |
| 1 | 7 | 2450.00000000 | | 17M0D7W |
| 1 | 7 | 2450.00000000 | | 17M0F8W |
| 1 | 7 | 2450.00000000 | | 17M0W7D |
| 1 | 1 | 2467.00000000 | | 16M5W7D |
| 1 | 1 | 2467.00000000 | | 16M5F8W |
| 1 | 1 | 2467.00000000 | | 16M5D7W |
| 1 | 6 | 2467.00000000 | | 16M5F8W |
| 1 | 6 | 2467.00000000 | | 16M5D7W |
| 1 | 6 | 2467.00000000 | | 16M5W7D |
| 1 | 7 | 2467.00000000 | | 16M5D7W |
| 1 | 7 | 2467.00000000 | | 16M5F8W |
| 1 | 7 | 2467.00000000 | | 16M5W7D |
| 1 | 1 | 2483.50000000 | | 16M5D7W |
| 1 | 1 | 2483.50000000 | | 16M5W7D |
| 1 | 1 | 2483.50000000 | | 16M5F8W |
| 1 | 6 | 2483.50000000 | | 16M5F8W |
| 1 | 6 | 2483.50000000 | | 16M5D7W |
| 1 | 6 | 2483.50000000 | | 16M5W7D |
| 1 | 1 | 6425.00000000 | | 25M0F8W |
| 1 | 1 | 6425.00000000 | | 25M0W7D |
| 1 | 1 | 6425.00000000 | | 25M0D7W |
| 1 | 6 | 6425.00000000 | | 25M0F8W |
| 1 | 6 | 6425.00000000 | | 25M0W7D |
| 1 | 6 | 6425.00000000 | | 25M0D7W |
| 1 | 7 | 6425.00000000 | | 25M0F8W |
| 1 | 7 | 6425.00000000 | | 25M0D7W |
| 1 | 7 | 6425.00000000 | | 25M0W7D |
| 1 | 1 | 6875.00000000 | | 25M0F8W |
| 1 | 1 | 6875.00000000 | | 25M0W7D |
| 1 | 1 | 6875.00000000 | | 25M0D7W |
| 1 | 6 | 6875.00000000 | | 25M0W7D |
| 1 | 6 | 6875.00000000 | | 25M0D7W |
| 1 | 6 | 6875.00000000 | | 25M0F8W |
| 1 | 7 | 6875.00000000 | | 25M0F8W |
| 1 | 7 | 6875.00000000 | | 25M0D7W |
| 1 | 7 | 6875.00000000 | | 25M0W7D |
| 1 | 6 | 12700.00000000 | | 25M0F8W |
| 1 | 6 | 12700.00000000 | | 25M0D7W |
| 1 | 6 | 12700.00000000 | | 25M0W7D |
| 1 | 7 | 12700.00000000 | | 25M0D7W |
| 1 | 7 | 12700.00000000 | | 25M0W7D |
| 1 | 7 | 12700.00000000 | | 25M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CHICAGO, COOK, IL | 41.88369444, -87.62930556 | | | | N |
| 2 | R | 1 Tower Lane, Oakbrook Terrace, COOK, IL | 41.85836111, -87.95450000 | 208.000 m | B | 134.000 m structure / 134.000 m overall | N |
| 5 | R | 233 SOUTH WACKER DRIVE, CHICAGO, COOK, IL | 41.87888889, -87.63555556 | 181.400 m | BMAST | 437.500 m structure / 521.100 m overall | N |
| 6 | R | WEST TOWER 875 N MICHIGAN AVE, CHICAGO, COOK, IL | 41.89891667, -87.62311111 | 180.700 m | BTWR | 443.600 m structure / 443.600 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | R | MRC Ultrascan | | | 20.0000 | | | |
| 1 | 1 | T | various various | | S | 20.0000 | 999.0000 | | |
| 1 | 5 | R | MRC Proscan III | | | 36.0000 | | | |
| 1 | 6 | R | MRC Proscan | | | 26.0000 | | | |
| 6 | 1 | T | various various | | S | 20.0000 | 999.0000 | | |
| 7 | 1 | T | various various | | S | 20.0000 | 999.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 22 West Washington St., Chicago, IL | COOK | 3128992890 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-12 | KB55028 | LIMOD |
| 2025-02-05 | KB55028 | PNACT |
| 2025-01-30 | KB55028 | PLAUPR |
| 2025-01-29 | KB55028 | LIREN |
| 2024-05-22 | KB55028 | LIAUA |
| 2021-11-17 | KB55028 | PNACT |
| 2021-11-16 | KB55028 | PLAUPR |
| 2021-11-13 | KB55028 | LIREN |
| 2021-05-06 | KB55028 | LIAUA |
| 2020-12-09 | KB55028 | PNACT |
| 2020-12-02 | KB55028 | LIMOD |
| 2020-12-02 | KB55028 | AUTHPR |
| 2020-10-28 | KB55028 | LIAUA |
| 2020-08-26 | KB55028 | PNACT |
| 2020-08-19 | KB55028 | AUTHPR |
| 2020-08-18 | KB55028 | LIMOD |
| 2018-04-19 | KB55028 | LIAUA |
| 2016-07-20 | KB55028 | LIAUA |
| 2016-07-06 | KB55028 | PNACT |
| 2016-07-02 | KB55028 | AUTHPR |
| 2016-07-01 | KB55028 | LIMOD |
| 2014-10-15 | KB55028 | PNACT |
| 2014-10-15 | KB55028 | AUTHPR |
| 2014-10-11 | KB55028 | LIREN |
| 2012-02-22 | KB55028 | AUTHPR |
| 2012-02-21 | KB55028 | INTDUP |
| 2012-02-21 | KB55028 | COR |
| 2012-01-04 | KB55028 | LIMOD |
| 2011-09-01 | KB55028 | LTSAPR |
| 2011-04-07 | KB55028 | LTSAPR |
| 2011-03-21 | KB55028 | LIAUA |
| 2011-03-21 | KB55028 | LTSAPR |
| 2011-03-09 | KB55028 | PNACT |
| 2011-03-02 | KB55028 | AUTHPR |
| 2011-03-01 | KB55028 | LIMOD |
| 2008-12-17 | KB55028 | AUTHPR |
| 2008-12-16 | KB55028 | INTDUP |
| 2008-12-16 | KB55028 | COR |
| 2008-12-02 | KB55028 | LETCNS |
| 2008-07-24 | KB55028 | AUTHPR |
| 2008-04-29 | KB55028 | LETCNS |
| 2007-01-25 | KB55028 | LIMOD |
| 2006-11-16 | KB55028 | ESUAPR |
| 2006-04-05 | KB55028 | PNACT |
| 2006-03-30 | KB55028 | AUTHPR |
| 2006-03-30 | KB55028 | LIMOD |
| 2003-01-29 | KB55028 | PNACT |
| 2003-01-22 | KB55028 | AUTHPR |
| 2003-01-21 | KB55028 | LIMOD |
| 2002-03-08 | KB55028 | LIAUA |
| 2000-12-04 | KB55028 | COR |
| 1999-08-13 | KB55028 | LICCNV |
| 1998-11-10 | KB55028 | COR |
| 1998-10-06 | KB55028 | COR |
| 1997-03-24 | KB55028 | COR |
| 1996-01-24 | KB55028 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 956004 | 2026-08-02 02:43:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KB55028 | ULS 956004 | 2026-08-02 02:43:38 |
| Status | A | ULS 956004 | 2026-08-02 02:43:38 |
| Service | TP | ULS 956004 | 2026-08-02 02:43:38 |
| Grant Date | 1983-08-23 | ULS 956004 | 2026-08-02 02:43:38 |
| Expiration Date | 2029-12-01 | ULS 956004 | 2026-08-02 02:43:38 |