<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Noted some white sections of the vertical interval blinking on and off at selected times in this clip of the Carson show. </div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature"><div id="AppleMailSignature"><a href="https://www.facebook.com/JohnnyCarson/videos/10153390545810496/" style="background-color: rgba(255, 255, 255, 0);"><font color="#000000">https://www.facebook.com/JohnnyCarson/videos/10153390545810496/</font></a></div><div id="AppleMailSignature"><br></div></div><div id="AppleMailSignature">Wondered if any NBC affiliate or Network alumni could identify the nature and use of this addition to the vertical interval.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I seem to recall someone had mentioned some form of queuing, I can 2Q dots on film. </div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Hope you all had a happy Easter and are having a wonderful day today.<br><br><div><span style="background-color: rgba(255, 255, 255, 0);">Ted</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Ted Langdell</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Secretary, Quad Videotape Group</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><a href="mailto:Ted@quadvideotapegroup.com">Ted@quadvideotapegroup.com</a></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">(530)301-2931</span></div><div><br></div><span style="background-color: rgba(255, 255, 255, 0);">Dictated into and Sent from my iPhone, which is solely responsible for any weird stuff I didn't catch.</span><br><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div></div></body></html>