ASTV was a Thai satellite television station and network operating from 2004 to 2014, after which it rebranded as News1. Originally operating under Manager Media Group, the station was established by Manager founder Sondhi Limthongkul, a prominent critic of Prime Minister Thaksin Shinawatra, and operated as an ultra-partisan political news channel promoting an anti-Thaksin viewpoint. It played a role in popularizing massive protests by the Sondhi-led group the People's Alliance for Democracy, which led to political crises that helped bring down Thaksin-aligned governments in 2006 and 2008.