Reginald Fessenden's Radio Experiments - U.S. National Park Service
His activities constituted the first practical application of a successful, commercially adaptable technique of radio communications in North America. In the fall of 1902, Fessenden ended his …
Reginald Fessenden - U.S. National Park Service
On December 23, 1900, Reginald Fessenden sent the first transmission of voice over radio between two towers a mile apart located on Cobb Island in Maryland. While the message was …
Reginald Fessenden - Radio Pioneer - U.S. National Park Service
Oct 28, 2021 · The entire beachfront from the north end of the village of Buxton to near ORV ramp 43 is closed to public entry due to damages to dozens of houses and associated septic …
Marconi Station Site - U.S. National Park Service
Most significant, however, was the foundation he created for developments in radio, radar, microwaves and cellular communication. Upon his death, all wireless around the world was …
Radio Protocol - U.S. National Park Service
Jun 13, 2019 · Radio service covers almost every corner of the park and allows for communication among staff and volunteers but it is important to keep in mind that the whole …
FDR's Fireside Chats - U.S. National Park Service
But Roosevelt's greatest communication tool was radio. This new invention revolutionized politics during the 1920s and 1930s. For the first time, millions could hear the live voices of national …
The Historic KPH Maritime Radio Receiving Station at Point Reyes ...
Apr 18, 2024 · However, the radio equipment, ship-to-shore Morse communications, and teletype—some of it dating to the World War II-era—remains intact, has been restored and …
Guidelines for Amateur Radio Operations - U.S. National Park …
National Seashore administrators and personnel welcome you to this historic area. It will be necessary, however, for all radio amateurs to strictly follow a number of guidelines, as well as …
VACUUM TUBE RADIO - U.S. National Park Service
By the late 1920s, vacuum tube radio equipment replaced the primitive spark-gap systems on most merchant ships. This new equipment could send and receive signals virtually worldwide, …
SMART Collars Reveal the Hidden Lives of Wolves
Mar 21, 2017 · For decades, scientists have used radio (and more recently, GPS) tracking collars to follow the movements of wolves and other animals that are difficult to observe in the wild.