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Pylon Plans

Tower 121003

Ames, Iowa · Boone County

Overall height
149 m (489 ft)
Rank in IA
94th
of 3,270
Constructed
1967
59 years ago
Radio horizon
50 km (31 mi)
estimate

Overview

The FCC lists structure 121003 about 11 km (6.9 mi) from Ames, IA as a tower. Overall height above ground is 149 m, or 489 ft.

It is taller than 97.2% of the 3,270 registered structures in Iowa, placing it 94th statewide.

TV 45 INC is the registered owner, and this is the only structure it has registered anywhere in Iowa.

The geometric radio horizon at this height is roughly 50 km (31.2 mi). Treat it as a ceiling rather than a coverage estimate — it assumes flat, clear terrain and ignores power and frequency entirely.

Three other registered structures sit within 4.2 km (2.6 mi), the nearest 3.5 km (2.2 mi) to the W.

Iowa has 1,118 registered structures of this type, and this is one of them.

Location

Coordinates
41.98028, -93.74000

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Registration record

as filed with the FCC
FCC registration 121003
Structure type Tower
Overall height (AGL) 149 m (489 ft)
Height above sea level 469 m (1,539 ft)
Constructed 1967
Date on record 1 Jan 1967
Coordinates 41.98028, -93.74000
County Boone County
Registered owner TV 45 INC
Owner type Other

How it compares

calculated from the full national dataset
Height rank in Iowa 94th of 3,270 taller than 97.2%
Height rank in Ames 2nd of 30
Height rank in county 3rd of 38
Median tower in Iowa 76 m (250 ft) +95.5% vs median
Radio horizon (estimate) 50 km (31 mi) theoretical maximum, flat terrain
Other structures within 5 km 6

Nearest registered structures

north is up
0.9 mi 1.8 mi 2.8 mi Tower — 3.5 km (2.2 mi) W Tower — 3.9 km (2.5 mi) NE Tower array — 4.2 km (2.6 mi) ENE Tower array — 4.3 km (2.7 mi) ENE Tower — 4.4 km (2.8 mi) NNW
Distance Bearing Type Height ASR
3.5 km (2.2 mi) W Tower 98 m (320 ft) 119333
3.9 km (2.5 mi) NE Tower 94 m (309 ft) 2651784
4.2 km (2.6 mi) ENE Tower array 112 m (367 ft) 119882
4.3 km (2.7 mi) ENE Tower array 177 m (579 ft) 119881
4.4 km (2.8 mi) NNW Tower 61 m (199 ft) 2606340

About this record

A freestanding tower whose specific construction is not further specified in the registration.

Record 121003 is drawn from the FCC ASR weekly file dated 2026-08-23. The database covers structures that require registration — generally those over 200 ft or near airports — so shorter masts and small cells will not appear.

"Owner" is the entity that registered the structure, usually a tower company such as American Tower or Crown Castle. It does not indicate which carriers operate equipment on the structure.