Interference From Receiving Sets on Radio Stations
The text explains how close carrier waves from two stations cause whistles and how a listener's regenerative receiver can unintentionally transmit, creating interference for neighbors. It discusses tuning methods to minimize oscillation and notes varying opinions on energy transfer in single versus three circuit receivers.
MENTIONED IN THIS ARTICLE
Hadeen
Miso
C. W. Telegraph
C. W
Reducing radiation with more turns in inductance tuner
The author suggests using single circuit tuners with smaller antenna series condensers and more turns in the inductance to sharpen tuning and minimize radiation. Spark stations cause interference, especially near coasts and the Great Lakes, making tuning difficult even from distant sources.
MENTIONED IN THIS ARTICLE
Great Lakes
First radio phone exchange opens at Croydon England
The first world radio phone exchange opens in Croydon linking the aerial traffic controller in London with pilots of air expresses to the European continent. It allows direct telephone conversations with aircraft in flight and supports 15 minute position reports to aid navigation in fog and landing.
MENTIONED IN THIS ARTICLE
Croydon
England
Linnell
Charing Cross
London
Radio Inmate Network At London Prison Farm Expands
Trusties and officials at the London Ohio state prison farm gain radio contact with the outside world via a new receiving set bought from institution funds. Officials plan to add a transmitting set soon to broadcast escape news and aid recapture efforts.
MENTIONED IN THIS ARTICLE
Ohio State Prison
London
Ohio
Court Adjourns by Radio Upon Arrival from Europe
Justice Tompkins of the Supreme Court of Rockland County New Jersey sent a radio message from his steamer to his Nyack secretary. The adjournment was due to insufficient time for him to reach Nyack after docking, marking the first use of radio to arrange a court adjournment.
MENTIONED IN THIS ARTICLE
Europe
Justice Tompkins
Supreme Court of
Rockland County
New Jersey
Nyack
Demand for Bulletins Highlights 20643 Copies Shipped
The bureau of standards disclosed that 20,643 copies of No. 120 on making a simple receiving set were sent from the Washington office. The circulars are sold at cost and available by sending 5 cents to the Superintendent of Documents in Washington.
MENTIONED IN THIS ARTICLE
Bureau of Standards
Washington
Superintendent of Documents
The Hot-Wire Ammeter in Antenna Tuning
A hot-wire ammeter measures current in the transmitter antenna system. The current value indicates apparatus performance and is used to tune the transmitter to resonance for maximum current in the antenna circuit.
Radio signals test Einstein theory ride from Annapolis
Special radio time signals sent from NSS Annapolis for scientists in the Indian Ocean working on a solar eclipse relativity test were nearly twice as audible as those from a commercial station, the navy has advised.
MENTIONED IN THIS ARTICLE
NSS
Annapolis
Indian Ocean
Navy
American Legion Lectures Aid Immigrant Americanization
An American Legion station in Nebraska broadcasts lectures on American traditions and institutions to foreign born residents within range, aiding quicker progress in assimilation and civic adaptation.
MENTIONED IN THIS ARTICLE
American Legion
Nebraska
Japanese Radio Enterprise Hails Move Toward New Nation Radio Trust
Powerful financial interests of Japan led by Viscount Shibusawa seek government backing to form a 200 million yen radio corporation, a venture valued at about 100 million dollars in the United States.
MENTIONED IN THIS ARTICLE
Japan
Viscount Shibusawa
Radio Corporation
United States
Colorado River Compact Seals Interstate Water Accord
Seven states Arizona California Colorado Nevada New Mexico Utah and Wyoming sign a Colorado River compact in Santa Fe to divide water use and guide development. Herbert Hoover chairs and the agreement awaits ratification by state legislatures and Congress.
MENTIONED IN THIS ARTICLE
Arizona
California
Colorado
Nevada
New Mexico
Utah
Wyoming
Santa Fe
Colorado River
Congress
Colorado River Basin
United States Supreme Court
Commission
Yellowstone National Park
Milner Pass
Rocky Mountain National Park
Grand Canyon National Park
Gulf of California
Mexico
Imperial
Palo Verde
Yuma Valley
Herbert Hoover
Harding
United States
Congress of the
Frank C. Emerson
United States of America
Uniteds of America
Lee Ferry
Hoover
Yuma
Colorado Basin
Colorado River Commission
Supreme Court
Also Mentioned on This Page
Nisi
Tates
Dompac
Gorge OF
Grand River
Nal
Rene
Wyorming
EXICO
Mexicoo
TEE