TowerCensus

3-tower array 1010403 — Downers Grove, IL

Dismantled

FCC Antenna Structure Registration 1010403 — antenna tower array (tower 1 of 3) near Downers Grove, Illinois.

At a glance

FCC Antenna Structure Registration 1010403 is a 98 m (322 ft) 3-tower array near Downers Grove, DuPage County, Illinois. Its registration status is dismantled, with construction recorded on Mar 28, 2006, and the FCC record shows it dismantled on Oct 3, 2006. It is registered to Sports Radio Chicago, LLC, which holds 3 FCC structure registrations.

Overall height
98 m
322 ft
Support structure
98 m
Top above sea level
331 m
Ground elevation
233 m
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≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1010403
Unique system identifier114620
StatusDismantled (I)
Structure typeAntenna tower array (tower 1 of 3) (3TA1)
Date constructedMar 28, 2006
Registration issuedNov 15, 2006
Date dismantledOct 3, 2006

Aviation safety

FAA & lighting

FieldValue
FAA study number2005-AGL-7054-OE
FAA circular70/7460-1K
Painting / lighting spec4, 8, 12
Marking / lighting codeFAA Style E (7)

The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.

Registered owner

Sports Radio Chicago, LLC

New York, NY · FRN 0009476953

Holds 3 FCC structure registrations — view the full portfolio →

Location

Address
TWR 1 100 W 39TH ST
City
Downers Grove
ZIP
60515
County FIPS
17043
Coordinates
41.81806, -87.98722

Within ~40 km

Nearby structures

How tall is structure 1010403 compared with others?

At 98 m, structure 1010403 is about twice the 51 m average across the 256 structures registered in DuPage County. It is about 42% above the Illinois average of 69 m across 7,110 registrations. Among the 379 registrations nationwide filed under the same structure-type code (3TA1), the average overall height is 87 m, so this one is about 13% above that figure.

The site's filed ground elevation is 233 m, which puts the top of the structure 331 m above mean sea level.

Where is structure 1010403, and what is registered around it?

The registration places the structure near Downers Grove in DuPage County, Illinois, at coordinates 41.81806, -87.98722, with the site address filed as "TWR 1 100 W 39TH ST". DuPage County has 256 FCC-registered antenna structures, the 4th-largest count among the 102 Illinois counties with registrations, and 172 of them are marked constructed. Illinois as a whole has 7,110 registrations, the 6th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Chicago, IL · 1032959, a building tower at 527 m (constructed).

What does the status "Dismantled" mean?

Dismantled means the owner has notified the FCC that the structure was taken down. The FCC issued registration 1010403 on Nov 15, 2006. Nationally, 12,669 of the 197,770 registrations (6.4%) carry the dismantled status, including 614 in Illinois.

Who owns antenna structure 1010403?

The FCC record lists Sports Radio Chicago, LLC of New York, NY as the registered owner, under FCC Registration Number 0009476953. Across the registry it holds 3 structure registrations, including 3 in Illinois. Its most common filed structure-type code is 3TA1 (1 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2005-AGL-7054-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 7, is listed on the FCC registration form as "FAA Style E". The painting and lighting specification on file cites FAA chapters 4, 8, 12.

Frequently asked questions

How tall is antenna structure 1010403?

Its registered overall height above ground is 98 m (322 ft), and 331 m (1,086 ft) above mean sea level.

Who owns tower 1010403?

The registered owner is Sports Radio Chicago, LLC, which holds 3 FCC antenna structure registrations.

Where is antenna structure 1010403?

It is located near Downers Grove, DuPage County, Illinois at TWR 1 100 W 39TH ST (41.81806, -87.98722). Its status is dismantled; it was constructed on Mar 28, 2006.

What type of structure is 1010403?

It is filed with the FCC under structure-type code 3TA1, which decodes to "Antenna tower array (tower 1 of 3)". 379 registrations nationwide use the same code.

How many antenna structures are registered in DuPage County, IL?

DuPage County has 256 FCC-registered antenna structures, 172 of them constructed — the 4th-largest count among 102 counties in Illinois.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1010403, weekly bulk file.

About this data

Source: FCC Antenna Structure Registration (ASR) database, as published October 13, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.

Cite as: TowerCensus, “Antenna structure 1010403, Downers Grove, DuPage County, Illinois”, https://towercensus.com/towers/illinois/downers-grove-1010403 (data as of October 13, 2026).