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40,80 meters

Jan 27th 2015, 02:25


Joined: May 12th 2012, 23:56
Total Topics: 0
Total Posts: 0
Why do you use lsb on these bands, while others use usb?
Jan 27th 2015, 16:12


Joined: Apr 4th 1998, 00:00
Total Topics: 0
Total Posts: 0
It's a historical oddity. Early amateur SSB rigs used a 9 MHz IF system, and it was easier and cheaper to generate LSB below 9 MHz and USB above 9 MHz. With most designs these days, USB and LSB are equally easy to use, but we keep to the old convention.

73 Martin AA6E

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