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South Wellfleet in Barnstable County, Massachusetts — The American Northeast (New England)
 

Guglielmo Marconi

“Every day sees humanity more victorious in the struggle with space and time.”

— Cape Cod National Seashore, National Park Service, U.S. Department of the Interior —

 
 
Guglielmo Marconi Marker image. Click for full size.
Photographed by Alan M. Perrie, September 10, 2019
1. Guglielmo Marconi Marker
Inscription.
Italian-born Guglielmo Marconi was an inventor who dreamed of a world where signals could be sent wirelessly. He drew upon research, experimentation, and his business acumen to make it happen. From this site on January 18, 1903, Marconi sent the first two-way transatlantic wireless communication between the US and Europe, to Cornwall, England. It was a cordial exchange between US President Theodore Roosevelt and Britain’s King Edward VII. While today wireless communications is commonplace, in the early 1900s it was the stuff of science fiction. Marconi’s achievement revolutionized communication.

The station was decommissioned in 1917, and a new one was built in Chatham, MA. Here at the Wellfleet site, most of the former equipment has succumbed to erosion and fallen into the sea. A few remnants of the site remain.

[Captions:]
Wireless communications helped save lives after the RMS Titanic struck an iceberg in the North Atlantic on April 14, 1912. Harold Cottam was the “Marconi man” - wireless operator - aboard the RMS Carpathia, located about 60 nautical miles from the Titanic. Noticing that the Titanic operator was not responding to routine messages, including some from Cape Cod, Cottam intervened. The chilling response he received - “Come at once, we’ve struck a berg” - caused the Carpathia to immediately change course, resulting in the rescue of over 700 people.

The 1901 station had a circular antenna formation. These were replaced in 1903 with four, 210-foot towers and an array of antennas. Kerosene engines produced the 25,000 volts of electricity required for communications to reach a similar station in England, 3,060 miles away.

 
Erected by National
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Park Service, U.S. Department of the Interior.
 
Topics and series. This historical marker is listed in these topic lists: CommunicationsWaterways & Vessels. In addition, it is included in the Former U.S. Presidents: #26 Theodore Roosevelt series list. A significant historical date for this entry is January 18, 1903.
 
Location. 41° 54.8′ N, 69° 58.303′ W. Marker is in South Wellfleet, Massachusetts, in Barnstable County. It can be reached from Marconi Station Road north of Marconi Beach Road, on the right when traveling north. The marker can be reached from US 6 1.2 miles from Marconi Beach Road, on the right when traveling north. Enter the Marconi Site. Turn left onto Marconi Station Road to the parking lot for the White Cedar Swamp Trail. The marker is 100 feet down a paved path to a raised platform viewing station of the Atlantic Ocean. Touch for map. Marker is in this post office area: South Wellfleet MA 02663, United States of America. Touch for directions.

Regionally, this marker is on Massachusetts’ Cape Cod. It is also in the American Northeast, in New England, and on the Eastern Seaboard. Globally, it is in the North Atlantic
Guglielmo Marconi Marker image. Click for full size.
Photographed by Adam Margolis, September 15, 2025
2. Guglielmo Marconi Marker
Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies: The Outer Cape: Changing Faster Than Technology (here, next to this marker); Transatlantic Wireless Telegraph Station (within shouting distance of this marker); Cape Cod National Sea Shore Marconi Beach (approx. 1.6 miles away); Duck Creek Cemetery (approx. 3 miles away); Timothy Daniels House (approx. 3.4 miles away); Hamblen Park (approx. 3.4 miles away); Keeping the Light for 114 Years (approx. 3.8 miles away); Nauset Beach Light Station (approx. 3.8 miles away). Touch for a list and map of all markers in South Wellfleet.
 
Other markers no longer nearby. Transatlantic Triumph (was within shouting distance of this marker but has been confirmed missing); Marconi Wireless Station (was within shouting distance of this marker but has been confirmed missing).
 
Also see . . .
1. Marconi Wireless Station. (Submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut.)
2. Harold Cottam.
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(Submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut.)
3. RMS Titanic. (Submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut.)
4. RMS Carpathia. (Submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut.)
5. Cape Cod National Seashore. (Submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut.)
 
 
Credits. This page was last revised on December 29, 2025. It was originally submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut. This page has been viewed 389 times since then and 41 times this year. Photos:   1. submitted on October 23, 2019, by Alan M. Perrie of Unionville, Connecticut.   2. submitted on December 22, 2025, by Adam Margolis of Mission Viejo, California. • Michael Herrick was the editor who published this page.
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Jul. 25, 2026