Universal Licensing System

WPBS277

License details

ULS identifier	1781887
Call sign	WPBS277
Radio service	IG
Status	A
Grant date	2023-01-24
Expiration	2033-02-18
Frequency range	463.3375 - 469.3 MHz (24 frequencies)
Locations	3
Representative location	CHICAGO, COOK, IL
Coordinates	41.8789167, -87.6361667
Source archive	l_LMpriv.zip
Dataset refreshed	2026-08-02 01:16:21

Licensee

Name	ESP Wireless Technology Group
Applicant type	C
FRN	0008725681
Location	Brookfield, IL
Address	9126 Odgen Ave, Brookfield, IL, 60513
Phone	7082888930
Email	[email protected]

Frequency assignments

Location	Antenna	Station class	Assigned MHz	Output W	ERP W
1	1	FB6	463.30000000	90.000000	145.000000
3	1	MO	463.30000000	50.000000	50.000000
3	1	MO6	463.31250000	2.000000	2.000000
3	1	MO6	463.33750000	2.000000	2.000000
1	1	FB6	463.35000000	90.000000	145.000000
3	1	MO	463.35000000	50.000000	50.000000
3	1	MO6	463.36250000	2.000000	2.000000
3	1	MO6	463.48750000	2.000000	2.000000
1	1	FB6	463.50000000	90.000000	145.000000
3	1	MO	463.50000000	50.000000	50.000000
3	1	MO6	463.51250000	2.000000	2.000000
3	1	MO6	463.58750000	2.000000	2.000000
3	1	MO6	463.61250000	2.000000	2.000000
3	1	MO6	463.81250000	2.000000	2.000000
3	1	MO6	463.91250000	2.000000	2.000000
1	1	FB6	464.30000000	90.000000	145.000000
3	1	MO	464.30000000	50.000000	50.000000
2	1	FX1	468.30000000	50.000000	50.000000
3	1	MO	468.30000000	50.000000	50.000000
3	1	MO6	468.31250000	2.000000	2.000000
3	1	MO6	468.33750000	2.000000	2.000000
2	1	FX1	468.35000000	50.000000	50.000000
3	1	MO	468.35000000	50.000000	50.000000
3	1	MO6	468.36250000	2.000000	2.000000
3	1	MO6	468.48750000	2.000000	2.000000
2	1	FX1	468.50000000	50.000000	50.000000
3	1	MO	468.50000000	50.000000	50.000000
3	1	MO6	468.51250000	2.000000	2.000000
3	1	MO6	468.58750000	2.000000	2.000000
3	1	MO6	468.61250000	2.000000	2.000000
3	1	MO6	468.81250000	2.000000	2.000000
3	1	MO6	468.91250000	2.000000	2.000000
2	1	FX1	469.30000000	50.000000	50.000000
3	1	MO	469.30000000	50.000000	50.000000

Emission designators

Location	Antenna	Frequency MHz	Emission
1	1	463.30000000	11K2F3E
1	1	463.30000000	11K2F2D
1	1	463.30000000	11K2F1D
3	1	463.30000000	11K2F3E
3	1	463.30000000	11K2F2D
3	1	463.30000000	11K2F1D
3	1	463.31250000	11K2F2D
3	1	463.31250000	11K2F1D
3	1	463.31250000	11K2F3E
3	1	463.33750000	11K2F1D
3	1	463.33750000	11K2F2D
3	1	463.33750000	11K2F3E
1	1	463.35000000	11K2F3E
1	1	463.35000000	11K2F1D
1	1	463.35000000	11K2F2D
3	1	463.35000000	11K2F2D
3	1	463.35000000	11K2F1D
3	1	463.35000000	11K2F3E
3	1	463.36250000	11K2F3E
3	1	463.36250000	11K2F2D
3	1	463.36250000	11K2F1D
3	1	463.48750000	11K2F3E
3	1	463.48750000	11K2F2D
3	1	463.48750000	11K2F1D
1	1	463.50000000	11K2F3E
1	1	463.50000000	11K2F2D
1	1	463.50000000	11K2F1D
3	1	463.50000000	11K2F3E
3	1	463.50000000	11K2F2D
3	1	463.50000000	11K2F1D
3	1	463.51250000	11K2F3E
3	1	463.51250000	11K2F2D
3	1	463.51250000	11K2F1D
3	1	463.58750000	11K2F3E
3	1	463.58750000	11K2F2D
3	1	463.58750000	11K2F1D
3	1	463.61250000	11K2F1D
3	1	463.61250000	11K2F3E
3	1	463.61250000	11K2F2D
3	1	463.81250000	11K2F2D
3	1	463.81250000	11K2F3E
3	1	463.81250000	11K2F1D
3	1	463.91250000	11K2F1D
3	1	463.91250000	11K2F3E
3	1	463.91250000	11K2F2D
1	1	464.30000000	11K2F3E
1	1	464.30000000	11K2F2D
1	1	464.30000000	11K2F1D
3	1	464.30000000	11K2F2D
3	1	464.30000000	11K2F3E
3	1	464.30000000	11K2F1D
2	1	468.30000000	11K2F1D
2	1	468.30000000	11K2F3E
2	1	468.30000000	11K2F2D
3	1	468.30000000	11K2F2D
3	1	468.30000000	11K2F3E
3	1	468.30000000	11K2F1D
3	1	468.31250000	11K2F3E
3	1	468.31250000	11K2F1D
3	1	468.31250000	11K2F2D
3	1	468.33750000	11K2F1D
3	1	468.33750000	11K2F3E
3	1	468.33750000	11K2F2D
2	1	468.35000000	11K2F2D
2	1	468.35000000	11K2F1D
2	1	468.35000000	11K2F3E
3	1	468.35000000	11K2F1D
3	1	468.35000000	11K2F3E
3	1	468.35000000	11K2F2D
3	1	468.36250000	11K2F3E
3	1	468.36250000	11K2F1D
3	1	468.36250000	11K2F2D
3	1	468.48750000	11K2F3E
3	1	468.48750000	11K2F2D
3	1	468.48750000	11K2F1D
2	1	468.50000000	11K2F1D
2	1	468.50000000	11K2F2D
2	1	468.50000000	11K2F3E
3	1	468.50000000	11K2F2D
3	1	468.50000000	11K2F1D
3	1	468.50000000	11K2F3E
3	1	468.51250000	11K2F2D
3	1	468.51250000	11K2F1D
3	1	468.51250000	11K2F3E
3	1	468.58750000	11K2F3E
3	1	468.58750000	11K2F1D
3	1	468.58750000	11K2F2D
3	1	468.61250000	11K2F2D
3	1	468.61250000	11K2F3E
3	1	468.61250000	11K2F1D
3	1	468.81250000	11K2F2D
3	1	468.81250000	11K2F1D
3	1	468.81250000	11K2F3E
3	1	468.91250000	11K2F2D
3	1	468.91250000	11K2F1D
3	1	468.91250000	11K2F3E
2	1	469.30000000	11K2F1D
2	1	469.30000000	11K2F3E
2	1	469.30000000	11K2F2D
3	1	469.30000000	11K2F2D
3	1	469.30000000	11K2F1D
3	1	469.30000000	11K2F3E

Licensed locations

Location	Type	Address	Coordinates	Ground elevation	Structure	Height	NEPA
1	T	SEARS TOWER, CHICAGO, COOK, IL	41.87891667, -87.63616667	174.000 m	B	436.000 m structure / 436.000 m overall	N
2	T	IL
3	T

Antennas

Location	Antenna	Type	Height	Radiation center
1	1	T	366.000 m	369.000
1	2	T
1	3	T

Control points

Number	Address	County	Phone
1	27475 Ferry Rd, Warrenville, IL	DUPAGE	7084858930

Special conditions

Type	Condition code
P	4020

License history

Date	File or call sign	Action
2025-03-07	WPBS277	LIAUA
2023-01-24	WPBS277	LIREN
2017-06-27	WPBS277	LIMOD
2013-05-23	WPBS277	LIMOD
2013-01-01	WPBS277	LTSAPR
2012-12-04	WPBS277	LIREN
2012-11-26	WPBS277	LETRES
2010-12-14	WPBS277	LIAUA
2010-12-14	WPBS277	LTSAPR
2008-11-11	WPBS277	LTSAPR
2008-11-11	WPBS277	LIAUA
2006-03-02	WPBS277	LTSAPR
2006-03-01	WPBS277	LIAUA
2005-01-14	WPBS277	LIASS
2005-01-07	WPBS277	ESCAPR
2003-03-14	WPBS277	LIMOD
2003-01-29	WPBS277	LIREN
2002-11-25	WPBS277	LETRES
2002-03-11	WPBS277	AUDOPR
2000-11-23	WPBS277	LICCNV
2000-06-01	WPBS277	AUTHPR
2000-06-01	WPBS277	LIMOD

Sources and provenance

Source	Source record	Retrieved	Match
ULS	1781887	2026-08-02 01:16:21	Official Bulk Record

Selected field provenance

Field	Displayed value	Source	Observed
Call Sign	WPBS277	ULS 1781887	2026-08-02 01:16:21
Status	A	ULS 1781887	2026-08-02 01:16:21
Service	IG	ULS 1781887	2026-08-02 01:16:21
Grant Date	2023-01-24	ULS 1781887	2026-08-02 01:16:21
Expiration Date	2033-02-18	ULS 1781887	2026-08-02 01:16:21