[Ham-Computers] Still Need Help

[Michael Neverdosky]

"Duane Fischer, W8DBF" wrote:
> 
> I then changed it from .bmp to .jpg, lowered the compression down to 90% and
> saved the image.
> 
> When a friend viewed it there were some black smudges in text areas, black
> typewriter ink text on a white background. 


> This smudge, or whatever it is, occurs only in text areas. The colors of the
> card are fine and clear.
> 

The smudge is an artifact of .jpg compression.
For line art or text you want to use .gif if you need a compressed
format.
.jpg is great for photo realistic scans but can't handle very high
contrast
transitions like black text on white background.

Use gif.

michael N6CHV