TowerCensus

Tower 1008278 — Northbrook, IL

Constructed

FCC Antenna Structure Registration 1008278 — tower (type not specified) near Northbrook, Illinois. Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole.

At a glance

FCC Antenna Structure Registration 1008278 is a 36 m (117 ft) tower near Northbrook, Cook County, Illinois. Its registration status is constructed, with construction recorded on Dec 1, 1985. It is registered to Crown Castle GT Company, LLC, which holds 2,215 FCC structure registrations.

Overall height
36 m
117 ft
Support structure
31 m
Top above sea level
245 m
Ground elevation
209 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)1008278
Unique system identifier113028
StatusConstructed (C)
Structure typeTower (type not specified) (TOWER)
Date constructedDec 1, 1985
Registration issuedJan 27, 2026

Aviation safety

FAA & lighting

FieldValue
FAA study number2011-AGL-1861-OE
FAA circular—
Painting / lighting specNONE
Marking / lighting codeNone (1)

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

Crown Castle GT Company, LLC

Canonsburg, PA · FRN 0005793682

Holds 2,215 FCC structure registrations — view the full portfolio →

Location

Address
3145 LANDWHER RD
City
Northbrook
ZIP
60062
County FIPS
17031
Coordinates
42.09564, -87.85783

Within ~40 km

Nearby structures

How tall is structure 1008278 compared with others?

At 36 m, structure 1008278 is about 26% below the 48 m average across the 965 structures registered in Cook County. It is about half of the Illinois average of 69 m across 7,110 registrations. Among the 75,247 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about half of that figure.

The supporting structure itself measures 31 m; antennas and other appurtenances on top bring the overall height above ground to 36 m. The site's filed ground elevation is 209 m, which puts the top of the structure 245 m above mean sea level.

Where is structure 1008278, and what is registered around it?

The registration places the structure near Northbrook in Cook County, Illinois, at coordinates 42.09564, -87.85783, with the site address filed as "3145 LANDWHER RD". Cook County has 965 FCC-registered antenna structures, the largest count among the 102 Illinois counties with registrations, and 641 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 "Constructed" mean?

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1008278 on Jan 27, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.

Who owns antenna structure 1008278?

The FCC record lists Crown Castle GT Company, LLC of Canonsburg, PA as the registered owner, under FCC Registration Number 0005793682. Across the registry it holds 2,215 structure registrations, the 11th-largest portfolio among the 7,865 owners with two or more, including 158 in Illinois. Its most common filed structure-type code is TOWER (1,222 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2011-AGL-1861-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".

Frequently asked questions

How tall is antenna structure 1008278?

Its registered overall height above ground is 36 m (117 ft), and 245 m (803 ft) above mean sea level.

Who owns tower 1008278?

The registered owner is Crown Castle GT Company, LLC, which holds 2,215 FCC antenna structure registrations.

Where is antenna structure 1008278?

It is located near Northbrook, Cook County, Illinois at 3145 LANDWHER RD (42.09564, -87.85783). Its status is constructed; it was constructed on Dec 1, 1985.

What type of structure is 1008278?

It is filed with the FCC under structure-type code TOWER, which decodes to "Tower (type not specified)". Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole. 75,247 registrations nationwide use the same code.

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

Cook County has 965 FCC-registered antenna structures, 641 of them constructed — the largest count among 102 counties in Illinois.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1008278, 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 1008278, Northbrook, Cook County, Illinois”, https://towercensus.com/towers/illinois/northbrook-1008278 (data as of October 13, 2026).