In what portion of the 630-meter band are phone emissions permitted?
None
Only the top 3 kHz
Only the bottom 3 kHz
The entire band✓پاسخ درست
توضیح
Phone and image emissions are authorized across the entire 630-meter band, alongside RTTY and data. The band is only 472 to 479 kHz wide, but the emission table carves out no phone sub-segment within it.