Universal Licensing System
KAT277
ESP Wireless Technology Group
License details
| ULS identifier | 1591251 |
|---|
| Call sign | KAT277 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-01-21 |
|---|
| Expiration | 2030-11-06 |
|---|
| Frequency range | 472.9625 - 475.9625 MHz (2 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | AURORA, DUPAGE, IL |
|---|
| Coordinates | 41.7694444, -88.2455556 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:21 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 472.96250000 | | | 100.000000 | 160.000000 | |
| 2 | 2 | FB6 | 472.96250000 | | | 100.000000 | 1000.000000 | |
| 5 | 1 | FB6 | 472.96250000 | | | 100.000000 | 220.000000 | |
| 6 | 1 | FB6 | 472.96250000 | | | 100.000000 | 1000.000000 | |
| 7 | 1 | MO | 472.96250000 | | | 50.000000 | 50.000000 | |
| 8 | 1 | MO | 472.96250000 | | | 50.000000 | 50.000000 | |
| 9 | 1 | MO | 472.96250000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | MO | 475.96250000 | | | 60.000000 | 60.000000 | |
| 4 | 1 | FX1T | 475.96250000 | | | 100.000000 | 160.000000 | |
| 7 | 1 | MO | 475.96250000 | | | 50.000000 | 50.000000 | |
| 8 | 1 | MO | 475.96250000 | | | 50.000000 | 50.000000 | |
| 9 | 1 | MO | 475.96250000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.96250000 | | 20K0F2D |
| 1 | 1 | 472.96250000 | | 11K2F2D |
| 1 | 1 | 472.96250000 | | 11K2F1D |
| 1 | 1 | 472.96250000 | | 20K0F3E |
| 1 | 1 | 472.96250000 | | 11K2F3E |
| 1 | 1 | 472.96250000 | | 20K0F1D |
| 2 | 2 | 472.96250000 | | 11K2F1D |
| 2 | 2 | 472.96250000 | | 11K2F3E |
| 2 | 2 | 472.96250000 | | 11K2F2D |
| 5 | 1 | 472.96250000 | | 11K2F2D |
| 5 | 1 | 472.96250000 | | 20K0F2D |
| 5 | 1 | 472.96250000 | | 20K0F3E |
| 5 | 1 | 472.96250000 | | 11K2F1D |
| 5 | 1 | 472.96250000 | | 11K2F3E |
| 5 | 1 | 472.96250000 | | 20K0F1D |
| 6 | 1 | 472.96250000 | | 11K2F3E |
| 6 | 1 | 472.96250000 | | 11K2F1D |
| 6 | 1 | 472.96250000 | | 11K2F2D |
| 7 | 1 | 472.96250000 | | 11K2F1D |
| 7 | 1 | 472.96250000 | | 11K2F3E |
| 7 | 1 | 472.96250000 | | 11K2F2D |
| 8 | 1 | 472.96250000 | | 11K2F3E |
| 8 | 1 | 472.96250000 | | 11K2F1D |
| 8 | 1 | 472.96250000 | | 11K2F2D |
| 8 | 1 | 472.96250000 | | 20K0F1D |
| 8 | 1 | 472.96250000 | | 20K0F3E |
| 8 | 1 | 472.96250000 | | 20K0F2D |
| 9 | 1 | 472.96250000 | | 11K2F3E |
| 9 | 1 | 472.96250000 | | 11K2F2D |
| 9 | 1 | 472.96250000 | | 11K2F1D |
| 3 | 1 | 475.96250000 | | 20K0F2D |
| 3 | 1 | 475.96250000 | | 20K0F1D |
| 3 | 1 | 475.96250000 | | 11K2F1D |
| 3 | 1 | 475.96250000 | | 11K2F2D |
| 3 | 1 | 475.96250000 | | 11K2F3E |
| 3 | 1 | 475.96250000 | | 20K0F3E |
| 4 | 1 | 475.96250000 | | 20K0F2D |
| 4 | 1 | 475.96250000 | | 11K2F1D |
| 4 | 1 | 475.96250000 | | 20K0F3E |
| 4 | 1 | 475.96250000 | | 11K2F3E |
| 4 | 1 | 475.96250000 | | 20K0F1D |
| 4 | 1 | 475.96250000 | | 11K2F2D |
| 7 | 1 | 475.96250000 | | 11K2F1D |
| 7 | 1 | 475.96250000 | | 11K2F3E |
| 7 | 1 | 475.96250000 | | 11K2F2D |
| 8 | 1 | 475.96250000 | | 20K0F1D |
| 8 | 1 | 475.96250000 | | 20K0F2D |
| 8 | 1 | 475.96250000 | | 20K0F3E |
| 8 | 1 | 475.96250000 | | 11K2F1D |
| 8 | 1 | 475.96250000 | | 11K2F3E |
| 8 | 1 | 475.96250000 | | 11K2F2D |
| 9 | 1 | 475.96250000 | | 11K2F1D |
| 9 | 1 | 475.96250000 | | 11K2F3E |
| 9 | 1 | 475.96250000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 233 WACKER DR, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 180.000 m | BANT | 445.000 m structure / 447.000 m overall | N |
| 2 | T | W KRUCKENBURG FARM RD, LAKE ZURICH, WILL, IL | 42.23611111, -88.06500000 | 267.000 m | TOWER | 122.000 m structure / 125.600 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | N |
| 5 | T | 19418 S 97TH AVE, MOKENA, LAKE, IL | 41.53638889, -87.85472222 | 216.000 m | TOWER | 151.000 m structure / 151.000 m overall | N |
| 6 | T | 620 EOLA RD, AURORA, DUPAGE, IL | 41.76944444, -88.24555556 | 217.900 m | TOWER | 215.000 m structure / 223.700 m overall | N |
| 7 | T | | | | | | N |
| 8 | T | | | | | | N |
| 9 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 447.000 m | | | | 448.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | | | | | | | | |
| 1 | 5 | | | 151.000 m | | | | 178.500 | |
| 1 | 6 | | | 223.700 m | | | | 222.000 | |
| 1 | 7 | | | | | | | | |
| 1 | 8 | | | | | | | | |
| 1 | 9 | | | | | | | | |
| 2 | 2 | | | 125.600 m | | | | 143.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8330 South Madison Street, Suite 15, Burr Ridge, IL | DUPAGE | 7084858930 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | KAT277 | LIAUA |
| 2021-01-21 | KAT277 | LIREN |
| 2020-08-10 | KAT277 | LETRES |
| 2011-03-24 | KAT277 | AUTHPR |
| 2010-12-14 | KAT277 | LTSAPR |
| 2010-08-20 | KAT277 | LTSAPR |
| 2010-08-20 | KAT277 | LIREN |
| 2010-08-16 | KAT277 | LETRES |
| 2008-07-18 | KAT277 | LTSAPR |
| 2008-07-17 | KAT277 | LIAUA |
| 2006-09-05 | KAT277 | LETCNS |
| 2005-12-01 | KAT277 | LIMOD |
| 2005-08-12 | KAT277 | LIASS |
| 2005-08-11 | KAT277 | LTSAPR |
| 2005-07-13 | KAT277 | LIAUA |
| 2005-07-13 | KAT277 | LTSAPR |
| 2004-08-05 | KAT277 | LTSAPR |
| 2004-08-04 | KAT277 | LTSAPR |
| 2004-06-18 | KAT277 | LTSFRN |
| 2003-02-11 | KAT277 | COR |
| 2003-02-11 | KAT277 | LIMOD |
| 2001-10-01 | KAT277 | AUDOPR |
| 2001-09-26 | KAT277 | LIMOD |
| 2001-03-26 | KAT277 | LIREN |
| 2001-03-26 | KAT277 | AUTHPR |
| 2001-03-23 | KAT277 | INTDUP |
| 2001-03-23 | KAT277 | COR |
| 2001-03-12 | KAT277 | COR |
| 2001-01-07 | KAT277 | LIEXP |
| 2000-11-22 | KAT277 | LICCNV |
| 2000-08-08 | KAT277 | LETRES |
| 1999-07-30 | KAT277 | LITRAN |
| 1995-11-08 | KAT277 | AUTHPR |
| 1995-11-06 | KAT277 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1591251 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KAT277 | ULS 1591251 | 2026-08-02 01:16:21 |
| Status | A | ULS 1591251 | 2026-08-02 01:16:21 |
| Service | IG | ULS 1591251 | 2026-08-02 01:16:21 |
| Grant Date | 2021-01-21 | ULS 1591251 | 2026-08-02 01:16:21 |
| Expiration Date | 2030-11-06 | ULS 1591251 | 2026-08-02 01:16:21 |