Tower 1221942 — Alsen, SD
ConstructedFCC Antenna Structure Registration 1221942 — tower (type not specified) near Alsen, South Dakota. 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 1221942 is a 77 m (253 ft) tower near Alsen, Union County, South Dakota. Its registration status is constructed, with construction recorded on Feb 15, 2001. It is registered to VB-S1 Assets, LLC, which holds 1,818 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1221942 |
| Unique system identifier | 2619686 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Feb 15, 2001 |
| Registration issued | Sep 29, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 01-AGL-1496-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 6, 12 |
| Marking / lighting code | FAA Style D (5) |
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
Delray Beach, FL · FRN 0026904490
Holds 1,818 FCC structure registrations — view the full portfolio →
Location
- Address
- 2,100' east from the edge of I-29
- City
- Alsen
- State
- South Dakota
- ZIP
- 57004
- County
- Union County
- County FIPS
- 46127
- Coordinates
- 42.89636, -96.79028
Within ~40 km
Nearby structures
- Obert, NE · 1031958257 m
Tower (type not specified) · Constructed
- Ponca, NE · 1249615207 m
Tower (type not specified) · Granted (not yet constructed)
Guyed tower · Constructed
Guyed tower · Constructed
- Ponca, NE · 1253553152 m
Tower (type not specified) · Granted (not yet constructed)
Tower (type not specified) · Dismantled
How tall is structure 1221942 compared with others?
At 77 m, structure 1221942 is roughly in line with the 80 m average across the 24 structures registered in Union County. It is roughly in line with the South Dakota average of 84 m across 1,289 registrations. Among the 75,198 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is roughly in line with that figure.
The site's filed ground elevation is 417 m, which puts the top of the structure 494 m above mean sea level.
Where is structure 1221942, and what is registered around it?
The registration places the structure near Alsen in Union County, South Dakota, at coordinates 42.89636, -96.79028, with the site address filed as "2,100' east from the edge of I-29". Union County has 24 FCC-registered antenna structures, the 16th-largest count among the 66 South Dakota counties with registrations, and 15 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 Obert, NE · 1031958, a tower at 257 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 1221942 on Sep 29, 2025. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 949 in South Dakota.
Who owns antenna structure 1221942?
The FCC record lists VB-S1 Assets, LLC of Delray Beach, FL as the registered owner, under FCC Registration Number 0026904490. Across the registry it holds 1,818 structure registrations, the 16th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (438 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 01-AGL-1496-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 5, is listed on the FCC registration form as "FAA Style D". The painting and lighting specification on file cites FAA chapters 4, 6, 12.
Frequently asked questions
How tall is antenna structure 1221942?
Its registered overall height above ground is 77 m (253 ft), and 494 m (1,621 ft) above mean sea level.
Who owns tower 1221942?
The registered owner is VB-S1 Assets, LLC, which holds 1,818 FCC antenna structure registrations.
Where is antenna structure 1221942?
It is located near Alsen, Union County, South Dakota at 2,100' east from the edge of I-29 (42.89636, -96.79028). Its status is constructed; it was constructed on Feb 15, 2001.
What type of structure is 1221942?
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. 75,198 registrations nationwide use the same code.
How many antenna structures are registered in Union County, SD?
Union County has 24 FCC-registered antenna structures, 15 of them constructed — the 16th-largest count among 66 counties in South Dakota.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1221942, 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 1221942, Alsen, Union County, South Dakota”, https://towercensus.com/towers/south-dakota/alsen-1221942 (data as of October 20, 2026).