1930-1940 Telephone Timeline

Transoceanic Telephone

Apr 3, 1930

All South American countries are opened for the transoceanic telephone. This includes Argentina, Chile, and Urugauy.
Source: www.telephonetribute/timeline.html

Radio Waves in Spaaaaaace

Oct 14, 1931

NOTE: I DO NOT KNOW THE EXACT DATE
Karl Guthe Jansky of Bell Telephone Labratories discovers radio waves in stars in space. He was trying to find telephone transmission interference at the time.
Source: www.telephonetribute/timeline.html

Unnatened private automatic branch exchanges, Two-Line Monophones

Dec 17, 1932

The development of unnatended private automatic branch exchanges has begun. The introduction of Two-Line Monophones begins.
NOTE: I DO NOT KNOW THE EXACT DATE
Source: www.telephonetribute/timeline.html

Frequency Modulation

Jul 13, 1933

Sarnoff is taught about frequency modulation by Edwin Armstrong.
NOTE: I DO NOT KNOW THE EXACT DATE
Source: www.telephonetribute/timeline.html

Federal Communications Comission (FCC)

Dec 27, 1934

The FCC was founded. The FCC combined the functions of the RF spectrum allocation, which was previously used by the Federal Radio Commission and the intersate regulation for common holders.
NOTE: I DO NOT KNOW THE EXACT DATE
Source: www.telephonetribute/timeline.html

First Around-the-World Telephone Conversation

Apr 25, 1935

The fist around- the world telephone conversation has been made. Thanks to wire and radio, this happened.
NOTE: I DO NOT KNOW THE EXACT DATE
Source: www.telephonetribute/timeline.html

Coxial Cable

Aug 15, 1936

The invention of the coxial cable for the telephone was thought of at a joint meeting. The Joint meeting included the American Physical Society and the IRE.
NOTE: I DO NOT KNOW THE EXACT DATE
Source: www.telephonetribute/timeline.html

Model 300

Jan 1, 1937

The Model 300 improved handset is introduced by Bell.
NOTE: I DO NOT KNOW THE EXACT DATE
Source: www.telephonetribute/timeline.html