Stack 1012946 — Chelmsford, MA
TerminatedFCC Antenna Structure Registration 1012946 — smoke stack near Chelmsford, Massachusetts. Antenna on an industrial smoke stack.
At a glance
FCC Antenna Structure Registration 1012946 is a 48 m (158 ft) stack near Chelmsford, Middlesex County, Massachusetts. Its registration status is terminated, with construction recorded on Feb 4, 1997. It is registered to AT&T WIRELESS SERVICES INC.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1012946 |
| Unique system identifier | 116495 |
| Status | Terminated (T) |
| Structure type | Smoke stack (STACK) |
| Date constructed | Feb 4, 1997 |
| Registration issued | Mar 24, 1997 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 96-ANE-619-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
AT&T WIRELESS SERVICES INC
Washington, DC
Location
- Address
- 51 MIDDLESEX ST N
- City
- Chelmsford
- State
- Massachusetts
- ZIP
- 01863
- County
- Middlesex County
- County FIPS
- 25017
- Coordinates
- 42.63722, -71.37917
Within ~40 km
Nearby structures
Tower (type not specified) · Canceled
Tower (type not specified) · Constructed
- Newton, MA · 1218349411 m
Tower (type not specified) · Terminated
- Newton, MA · 1218346411 m
Tower (type not specified) · Terminated
- Newton, MA · 1218301397 m
Tower (type not specified) · Canceled
Guyed tower · Constructed
How tall is structure 1012946 compared with others?
At 48 m, structure 1012946 is about 23% below the 62 m average across the 273 structures registered in Middlesex County. It is about 19% below the Massachusetts average of 59 m across 1,508 registrations. Among the 89 registrations nationwide filed under the same structure-type code (STACK), the average overall height is 112 m, so this one is about 43% of that figure.
The site's filed ground elevation is 30 m, which puts the top of the structure 79 m above mean sea level.
Where is structure 1012946, and what is registered around it?
The registration places the structure near Chelmsford in Middlesex County, Massachusetts, at coordinates 42.63722, -71.37917, with the site address filed as "51 MIDDLESEX ST N". Middlesex County has 273 FCC-registered antenna structures, the largest count among the 14 Massachusetts counties with registrations, and 146 of them are marked constructed. Massachusetts as a whole has 1,508 registrations, the 38th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Newton-02494, MA · 1227884, a tower at 413 m (canceled).
What does the status "Terminated" mean?
Terminated means the FCC has ended the registration. The FCC issued registration 1012946 on Mar 24, 1997. Nationally, 8,910 of the 197,770 registrations (4.5%) carry the terminated status, including 112 in Massachusetts.
Who owns antenna structure 1012946?
The FCC record lists AT&T WIRELESS SERVICES INC of Washington, DC as the registered owner.
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 96-ANE-619-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 1012946?
Its registered overall height above ground is 48 m (158 ft), and 79 m (258 ft) above mean sea level.
Who owns tower 1012946?
The registered owner is AT&T WIRELESS SERVICES INC.
Where is antenna structure 1012946?
It is located near Chelmsford, Middlesex County, Massachusetts at 51 MIDDLESEX ST N (42.63722, -71.37917). Its status is terminated; it was constructed on Feb 4, 1997.
What type of structure is 1012946?
It is filed with the FCC under structure-type code STACK, which decodes to "Smoke stack". Antenna on an industrial smoke stack. 89 registrations nationwide use the same code.
How many antenna structures are registered in Middlesex County, MA?
Middlesex County has 273 FCC-registered antenna structures, 146 of them constructed — the largest count among 14 counties in Massachusetts.
Related pages
Working with towers? Pro adds alerts, change history and CSV export ($39/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: FCC Antenna Structure Registration 1012946, 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 1012946, Chelmsford, Middlesex County, Massachusetts”, https://towercensus.com/towers/massachusetts/chelmsford-1012946 (data as of October 13, 2026).