Thanks, Paul, you got it right. I was trying to do it all in one
file/page. I'll have a go at your suggestion.
> I might be reading this wrong, but I do not think you should put your
> meta refresh request in the png creation script. It should be in the
> html body script.
> Meta-refresh to call itself in 30 secs
> Call to <img src="php_radio_image_creation_script.php">
> header("Content-type: image/png")
> Echo image content