These breakthroughs in basic research not only demonstrated our technological prowess to the world, but was also instrumental in diffusing the concept of SSB communications in the HF band, the current standard, throughout the world. We also subsequently developed independently the ultra narrow IF crystal filter, a breakthrough that paved the way to commercialization of SSB communications. Finding that distant but recognizable signal buried in a sea of noise is the type of enjoyment of discovery unattainable from sending an instant e- mail overseas through the Internet. Communicating through radio waves with people all over the world is what ham radio is all about and what keeps many people hooked. From stationary multi- feature communications equipment to portable devices, we have led the ham radio market for nearly half a century. The Yaesu brand is well known among ham radio aficionados and is synonymous with premium quality ham radios.
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