Archive for date: September 26, 2011

Classic Black and White SSTV timings?

September 26, 2011 | Amateur Radio, SSTV | By: Mark VandeWettering

I was trying to determine the exact timings for the classic “8 second” black and white SSTV mode. Copthorne MacDonald suggests 15 lines per second, to make 120 lines in 8 seconds. The vertical sync pulse has a duration of 30ms, and the horizontal sync pulse duration is just 5ms. The sync frequency is 1200Hz, […]