When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. WRAL uses an Evertz 3025EMC 3G/HD/SD master control switcher at its Raleigh, N.C. facility.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. TVOntario in Toronto uses Leitch’s Opus master control switcher to operate two broadcast networks ...