When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

A standard Single Sideband (SSB) voice signal occupies a bandwidth of approximately 2.4 kHz to 3 kHz. To avoid interfering with an adjacent station, you must leave enough room for your entire signal without overlapping theirs. Therefore, maintaining a minimum separation of 2 kHz to 3 kHz is required. If you operate any closer, your sideband will bleed into the adjacent station's frequency, causing harmful interference. Separations like 50 Hz or 500 Hz are only appropriate for very narrow modes like CW or digital. On the other hand, 6 kHz is the bandwidth typically required for full AM (which transmits two sidebands), making it wider than necessary for SSB.