Tower array 99586
Novato, California · Marin County
Overview
A tower array element of 157 m (513 ft), structure 99586 has stood in Novato, CA for about 36 years.
Of the 21 structures registered in Novato, CA, this is the 1st tallest.
FCC records list Entercom California, LLC as the registered owner of this structure.
At 157 m, the radio horizon for an antenna at the top of this structure works out to roughly 52 km (32 mi). That is a geometric limit for flat, unobstructed terrain — real coverage depends on transmit power, frequency, terrain and what is in the way.
The closest other registered structure is 124 m to the N. In total there are 11 other registered structures within 5 km.
California has 274 registered structures of this type, and this is one of them.
Location
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Registration record
as filed with the FCC| FCC registration | 99586 |
|---|---|
| Structure type | Tower array |
| Overall height (AGL) | 157 m (513 ft) |
| Height above sea level | 158 m (519 ft) |
| Constructed | 1990 |
| Date on record | 1 Jan 1990 |
| Coordinates | 38.14000, -122.52944 |
| County | Marin County |
| Registered owner | Entercom California, LLC |
| Owner type | Other |
How it compares
calculated from the full national dataset| Height rank in California | 34th of 6,865 taller than 99.5% |
|---|---|
| Height rank in Novato | 1st of 21 |
| Height rank in county | 1st of 27 |
| Median tower array in California | 77 m (251 ft) +104% vs median |
| Radio horizon (estimate) | 52 km (32 mi) theoretical maximum, flat terrain |
| Other structures within 5 km | 11 |
Nearest registered structures
north is up| Distance | Bearing | Type | Height | ASR |
|---|---|---|---|---|
| 124 m | N | Tower array | 157 m (513 ft) | 99585 |
| 191 m | SW | Tower array | 157 m (513 ft) | 99587 |
| 245 m | W | Tower array | 157 m (513 ft) | 99588 |
| 3.4 km (2.1 mi) | NW | Pole | 11 m (36 ft) | 2599910 |
| 3.4 km (2.1 mi) | NW | Pole | 17 m (56 ft) | 2628154 |
About this record
One element of a 4-tower array. Multi-tower arrays are typically AM broadcast antennas, where the towers work together to shape the signal in a particular direction.
This page summarises FCC ASR record 99586, from the weekly file dated 2026-08-23. Rankings and comparisons on this page are calculated by Pylon Plans from the full national dataset, not supplied by the FCC.
"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.