Holmdel in Monmouth County, New Jersey — The American Northeast (Mid-Atlantic)
Radio Astronomy
Photographed by R. C.
1. Radio Astronomy Marker
Topics. This historical marker is listed in these topic lists: Air & Space • Communications • Science & Medicine. A significant historical year for this entry is 1932.
Location. 40° 22.312′ N, 74° 9.585′ W. Marker is in Holmdel, New Jersey, in Monmouth County. It is on Crawford Corners Road near Seven Oaks Drive, on the right when traveling east. Touch for map. Marker is in this post office area: Holmdel NJ 07733, United States of America. Touch for directions.
Regionally, this marker is in Central Jersey and in the New York City Metropolitan Area. It is also in the American Northeast, in the Mid-Atlantic, and on the Eastern Seaboard. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once New Netherland and also one of the original Thirteen Colonies.
Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies: Karl Jansky Radio Astronomy Monument (approx. half a mile away); New Jersey Vietnam Veterans' Memorial (approx. 1½ miles away); Women Veterans Meditation Garden (approx. 1½ miles away); In honor of Eleanor Grace Alexander (approx. 1½ miles away); Purple Heart Memorial (approx. 1½ miles away); Crawford Cemetery (approx. 1½ miles away); American and South Vietnamese Servicemen Memorial (approx. 1½ miles away); Boy Scouts Vietnam Memorial (approx. 1½ miles away). Touch for a list and map of all markers in Holmdel.
Also see . . . How a scientist in a potato field founded the field of radio astronomy. Article by Olivia Harper Wilkins, Astrochemistry, Caltech.
During(Submitted on July 29, 2026, by Richard Peterson of East Windsor, New Jersey.)his few years at Bell Labs, Jansky turned an abandoned potato farm into an experimental station to hunt down the source of radio frequency interference. As part of the experiment, he constructed a special antenna more than twice as long as a city bus.
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Photographed by R. C.
2. Radio Astronomy Marker
Credits. This page was last revised on July 29, 2026. It was originally submitted on March 27, 2009, by Ronald Claiborne of College Station, Texas. This page has been viewed 1,474 times since then and 37 times this year. Photos: 1, 2. submitted on March 24, 2009, by Ronald Claiborne of College Station, Texas. • Kevin W. was the editor who published this page.
