Hi Steve, Dave, as far as I know, the PAL colour subcarrier is supposed to be locked to the line and field rates, but with an intentional offset from an integer 25 Hz multiple to provide some "blurri
G'day Dave, Yes - I did that calculation but came up with 500002.81 Hz - not 499993 Hz. Still - that seems the most likely explanation as it is very stable. Thanks. 73 Steve VK2ZTO (VK2XV) -- Origina