As far as radios were concerned, the WWII-era had been the time of CW and AM modulation. These modes of modulation quickly became inadequate to serve the needs of the post-WWII military. Collins engineering capability and penchant for studying effective communication prevailed and the Single Sideband era (SSB) was born.
All photos are courtesy of the Collins Reference Library and were captioned by the late Dave Ross. Thanks go to Brian Bjerkelund, k7ais, for allowing us to present this information.
Original note from Dave Ross: “The images presented here are from Jim Stitzinger’s “Collins Reference Library” in Valencia, California. Many thanks to Jim for letting me have copies of them.”
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