Monopole 1004421 — Hammond, IN
ConstructedFCC Antenna Structure Registration 1004421 — monopole near Hammond, Indiana. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1004421 is a 49 m (159 ft) monopole near Hammond, Lake County, Indiana. Its registration status is constructed, with construction recorded on Mar 4, 2011. It is registered to CCATT LLC, which holds 5,006 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1004421 |
| Unique system identifier | 97901 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Mar 4, 2011 |
| Registration issued | Jan 8, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2012-AGL-6150-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (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
Canonsburg, PA · FRN 0023254592
Holds 5,006 FCC structure registrations — view the full portfolio →
Location
- Address
- 740 RIVER DRIVE
- City
- Hammond
- State
- Indiana
- ZIP
- 46324
- County
- Lake County
- County FIPS
- 18089
- Coordinates
- 41.57239, -87.51000
Within ~40 km
Nearby structures
Building with tower · Constructed
Building with mast · Constructed
Building with tower · Constructed
Building with tower · Constructed
Building with tower · Granted (not yet constructed)
Building with mast · Constructed
How tall is structure 1004421 compared with others?
At 49 m, structure 1004421 is about 12% below the 55 m average across the 277 structures registered in Lake County. It is about 35% below the Indiana average of 74 m across 5,036 registrations. Among the 24,665 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 16% above that figure.
The supporting structure itself measures 46 m; antennas and other appurtenances on top bring the overall height above ground to 49 m. The site's filed ground elevation is 183 m, which puts the top of the structure 231 m above mean sea level.
Where is structure 1004421, and what is registered around it?
The registration places the structure near Hammond in Lake County, Indiana, at coordinates 41.57239, -87.51000, with the site address filed as "740 RIVER DRIVE". Lake County has 277 FCC-registered antenna structures, the 2nd-largest count among the 92 Indiana counties with registrations, and 199 of them are marked constructed. Indiana as a whole has 5,036 registrations, the 15th-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 1004421 on Jan 8, 2026. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,789 in Indiana.
Who owns antenna structure 1004421?
The FCC record lists CCATT LLC of Canonsburg, PA as the registered owner, under FCC Registration Number 0023254592. Across the registry it holds 5,006 structure registrations, the 3rd-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (1,570 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2012-AGL-6150-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 1004421?
Its registered overall height above ground is 49 m (159 ft), and 231 m (759 ft) above mean sea level.
Who owns tower 1004421?
The registered owner is CCATT LLC, which holds 5,006 FCC antenna structure registrations.
Where is antenna structure 1004421?
It is located near Hammond, Lake County, Indiana at 740 RIVER DRIVE (41.57239, -87.51000). Its status is constructed; it was constructed on Mar 4, 2011.
What type of structure is 1004421?
It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,665 registrations nationwide use the same code.
How many antenna structures are registered in Lake County, IN?
Lake County has 277 FCC-registered antenna structures, 199 of them constructed — the 2nd-largest count among 92 counties in Indiana.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1004421, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1004421, Hammond, Lake County, Indiana”, https://towercensus.com/towers/indiana/hammond-1004421 (data as of October 20, 2026).