The Low Carbon TV delivery Project (LoCaT) recently published a study that compares the carbon footprint of DTT, OTT, and IPTV, which claims that an hour of viewing consumes 14 watt-hours (Wh) for DTT, 109 Wh for OTT, and 153 Wh for IPTV. Given the membership, publicizing these results is not surprising, and do look to be a coup for the antenna-based broadcast approach. With the TV itself accounting for 56 Wh per hour, one of the calculated takeaways is that to watch an hour of OTT uses the same energy and carbon as just under 2.5 hours of DTT, and for IPTV, you could have watched a little over 3 hours of DTT instead. The study, it seems, provides…