TowerCensus

Guyed tower 1318407 — Isabel, SD

Constructed

FCC Antenna Structure Registration 1318407 — guyed tower near Isabel, South Dakota. Tower or mast held upright by tensioned guy wires anchored in the ground around its base.

At a glance

FCC Antenna Structure Registration 1318407 is a 140 m (460 ft) guyed tower near Isabel, Corson County, South Dakota. Its registration status is constructed, with construction recorded on Mar 18, 2021. It is registered to Skyway Towers, LLC, which holds 752 FCC structure registrations.

Overall height
140 m
460 ft
Support structure
137 m
Top above sea level
851 m
Ground elevation
711 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)1318407
Unique system identifier2718191
StatusConstructed (C)
Structure typeGuyed tower (GTOWER)
Date constructedMar 18, 2021
Registration issuedFeb 10, 2021

Aviation safety

FAA & lighting

FieldValue
FAA study number2020-AGL-990-OE
FAA circular70/7460-1L
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

Skyway Towers, LLC

Tampa, FL · FRN 0014913248

Holds 752 FCC structure registrations — view the full portfolio →

Location

Address
131st St. (SD-09105 Standing Rock)
City
Isabel
ZIP
57633
County FIPS
46031
Coordinates
45.50086, -101.50786

Within ~40 km

Nearby structures

How tall is structure 1318407 compared with others?

At 140 m, structure 1318407 is about 51% above the 93 m average across the 18 structures registered in Corson County. It is about 67% above the South Dakota average of 84 m across 1,289 registrations. Among the 20,277 registrations nationwide filed under the same structure-type code (GTOWER), the average overall height is 107 m, so this one is about 32% above that figure.

The supporting structure itself measures 137 m; antennas and other appurtenances on top bring the overall height above ground to 140 m. The site's filed ground elevation is 711 m, which puts the top of the structure 851 m above mean sea level.

Where is structure 1318407, and what is registered around it?

The registration places the structure near Isabel in Corson County, South Dakota, at coordinates 45.50086, -101.50786, with the site address filed as "131st St. (SD-09105 Standing Rock)". Corson County has 18 FCC-registered antenna structures, the 19th-largest count among the 66 South Dakota counties with registrations, and 13 of them are marked constructed. South Dakota as a whole has 1,289 registrations, the 42nd-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Morristown, SD · 1314953, a guyed tower at 125 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 1318407 on Feb 10, 2021. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 948 in South Dakota.

Who owns antenna structure 1318407?

The FCC record lists Skyway Towers, LLC of Tampa, FL as the registered owner, under FCC Registration Number 0014913248. Across the registry it holds 752 structure registrations, the 37th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is LTOWER (321 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2020-AGL-990-OE and FAA Advisory Circular 70/7460-1L, 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 1318407?

Its registered overall height above ground is 140 m (460 ft), and 851 m (2,793 ft) above mean sea level.

Who owns tower 1318407?

The registered owner is Skyway Towers, LLC, which holds 752 FCC antenna structure registrations.

Where is antenna structure 1318407?

It is located near Isabel, Corson County, South Dakota at 131st St. (SD-09105 Standing Rock) (45.50086, -101.50786). Its status is constructed; it was constructed on Mar 18, 2021.

What type of structure is 1318407?

It is filed with the FCC under structure-type code GTOWER, which decodes to "Guyed tower". Tower or mast held upright by tensioned guy wires anchored in the ground around its base. 20,277 registrations nationwide use the same code.

How many antenna structures are registered in Corson County, SD?

Corson County has 18 FCC-registered antenna structures, 13 of them constructed — the 19th-largest count among 66 counties in South Dakota.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1318407, 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 1318407, Isabel, Corson County, South Dakota”, https://towercensus.com/towers/south-dakota/isabel-1318407 (data as of October 13, 2026).