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VKrules pretty much answered this for you on post #7.

SSB is typically 3 Khz bandwidth with no carrier so even just a few Hz off can be noticed if you have good ears.

AM mode with a bandwidth of 6 KHz and FM at 12 Khz or more and both being carrier modes, it's not likely anyone will notice even a couple hundred Hz off especially with CB radios.

Every CB or glorified 10 meter radio I ever owned has been off some on SSB, Some more than others. At least the RCI 2900 series and the President HR series didn't seem to drift after they warmed up.

[QUOTE="fourstringburn, post: 553611, member: 2920"] VKrules pretty much answered this for you on post #7. SSB is typically 3 Khz bandwidth with no carrier so even just a few Hz off can be noticed if you have good ears. AM mode with a bandwidth of 6 KHz and FM at 12 Khz or more and both being carrier modes, it's not likely anyone will notice even a couple hundred Hz off especially with CB radios. Every CB or glorified 10 meter radio I ever owned has been off some on SSB, Some more than others. At least the RCI 2900 series and the President HR series didn't seem to drift after they warmed up. [/QUOTE]

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