Sarnof was relying on the huge income of radio to make television Sarnof saw FM as a threat to his technical and economic plans Hurt by his old friends decision and his eviction from the empire state Armstrong decided to develop FM alone He built a 425 ft radio tower It could be seen from Sarnof s building o He began broadcasting and licensing companies FM caught on and Armstrong through himself into the work o Sarnof offered a million dollars for the rights to manufacture FM but Armstrong refused o There were half a million users broadcasting FM along the Northeast till the Yankee Network o Sarnof did his best to make FM not work keeping it from the industry so effectively The old friends were becoming bitter enemies Robert Morris Engineer too many people using AM with good satisfaction so hard to take FM 1941 Japanese fighter planes were broadcasting in Honolulu KGMB It destroyed most of pearl harbor This made the enemies become closer WW2 would be a war with radio combinations De forest was 68 when the war began He was embarrassed that he couldn t be involved in the war and when one of his new inventions bombs nearly missed
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