AM STATION SYNCHRONIZATION
Below you'll find newspaper stories and some well-written technical articles on the state of AM synchronization efforts during broadcasting's first two decades.
AM synch is still in use today for unique solutions to unique problems. The pioneers of this art had few expectations and were willing to learn. But even with today's precision technology, AM synchronizing remains less than the perfect solution; there will always be "distortion areas" where reception is actually worse than it would be without synchronization.
Some of the stories below are fun reading. Perhaps the best of the technical articles is "CBS Synch practices" since it summarizes best efforts to date. "AM Synch ideas" takes a look at a future that might also include "wide-band radio channels" (that led to the abortive "Hi-Fi" allocations of the 1930's).
"RCA": Radio Club of America Proceedings, reproduced with permission of RCA
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