Planetary Radio Emissions Discovery Site Marker

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Near Seneca in Montgomery County, Maryland — The American Northeast (Mid-Atlantic)

Planetary Radio Emissions Discovery Site

By Tom Fuchs, November 4, 2006

1. Planetary Radio Emissions Discovery Site Marker

Inscription. In 1955 scientists Bernard Burke and Kenneth Franklin from the Carnegie Institution of Washington accidentally discovered naturally-generated radio waves from Jupiter using a 96-acre antenna array. The discovery led to greater understanding of planetary magnetic fields and plasmas and opened a new window in our exploration of the solar system.

Erected by the Maryland Historical Trust and the Maryland State Highway Administration.

Location. 39° 4.876′ N, 77° 22.383′ W. Marker is near Seneca, Maryland, in Montgomery County. Marker is on River Road west of Seneca Road (Maryland Route 112). Click for map. Marker is in this post office area: Poolesville MD 20837, United States of America.

Other nearby markers. At least 5 other markers are within 3 miles of this marker, as the crow flies. Seneca (approx. 1.7 miles away); Seneca Store (approx. 1.7 miles away); The Seneca Aqueduct (approx. 1.9 miles away); Rowser’s Ford (approx. 1.9 miles away); a different marker also named Rowser’s Ford (approx. 2.5 miles away). Click for a list of all markers in Seneca.

Also see . . .
1. The Discovery of Jupiter's Radio Emissions. Article by Dr. Leonard N. Garcia on the Radio Jove website. (Submitted on December 8, 2006.)

2. An Account of the Discovery of Jupitar as a Radio Source. 1959 article by K. L. Franklin in the American Astronomical Society's The Astronomical Journal, Volume 64, Number 2. (Submitted on December 8, 2006, by J. J. Prats of Springfield, Virginia.)

By J. J. Prats, November 4, 2006

2. Planetary Radio Emissions Discovery Site Marker

Credits. This page originally submitted on December 8, 2006, by Tom Fuchs of Greenbelt, Maryland. This page has been viewed 1,869 times since then. Photos: 1. submitted on December 8, 2006, by Tom Fuchs of Greenbelt, Maryland. 2. submitted on December 8, 2006, by J. J. Prats of Springfield, Virginia. • J. J. Prats was the editor who published this page.