the NAB show in April 2012, MCV announced that 17 additional television stations would launch mobile DTV, bringing the total to 92, covering more than 55% of US homes. Included are stations in three new markets: Austin, Texas, Boston, Massachusetts, and Dayton, Ohio. In September 2012, WRAL-TV announced rollout of a Mobile Emergency Alert System based around mobile digital television technology. By early 2013, 130 stations were providing content, but adoption of devices such as dongles was not widespread. According to NPD's "Free Streaming TV" report, released in February 2013, 12 percent of United States TV watchers reported streaming TV shows for free during the prior three months, compared to 14 percent who watched a TV show via SVOD. Standards Mobile network eMBMS (Evolved Mobile Broadcast Multicast Service) – also known as LTE Broadcast, transmissions are delivered through an LTE cellular network Terrestrial 1seg (One Segment) – Mobile TV system on ISDB-T ATSC-M/H (ATSC Mobile/Handheld) – North America DAB-IP (Digital Audio Broadcast) – UK T-DMB (Terrestrial Digital Multimedia Broadcast) – South Korea DMB-T/H – China DVB-H (Digital Video Broadcasting – Handheld) – European Union, Asia DVB-T (Digital Video Broadcasting – Terrestrial) DVB-T2 DVB-T2 Lite – Europe, Africa, Asia and some countries in South America DVB-NGH iMB (Integrated Mobile Broadcast, 3GPP MBMS) ISDB-Tmm (Integrated Services Digital Broadcasting – Terrestrial Mobile Multimedia) – Japan MediaFLO – launched in US, tested in UK and Germany Satellite CMMB (China Mobile Multimedia Broadcasting) – China DVB-SH (Digital Video Broadcasting – Satellite for Handhelds) – European Union S-DMB (Satellite Digital Multimedia Broadcast) – South Korea See also Handheld projector Multimedia Broadcast Multicast Service (MBMS) via the GSM and UMTS cellular networks IPTV SPB TV Mobile DTV Alliance – marketing organization 3 mobile tv (UK) Mobiclip MobiTV Nunet Mobibase Handheld television References External links Broadcast engineering Digital television Mobile telephone broadcasting Television technology Telecommunications-related introductions in 1970