Germany 1937: 441 lines, 25 frame/s, line frequency 11025 Hz. Vision 46.0 MHz Sound 43.2 MHz.
Germany 1940: 1000 lines signal projection, no glass screen but projection screen (successful experiments in Reichspost laboratories, but no mass production, note that in Germany public telegraphy, telephone, and radio services were subject to the Reichspostministerium since the early 20th century, and TV was regarded a postal issue as well until the 1980s)
Warsaw 1937 (mechanical): 120 lines, test movies and live images from a studio
Electronic TV (343 lines) was under development and was publicly demonstrated during the Radio Exhibition in Warsaw in August 1939, regular operations planned to start at the beginning of 1940, work stopped because of the outbreak of World War II.
USA 1937-1941: 441 lines @ 30 f.p.s.(RCA) and 605 lines (Proposed by Philco).
USA 1941-2009: 525 line System-M officially mandated on July 1, 1941 when the Federal Communications Commission issued the first commercial licenses. In use until 2009, when the FCC mandated cessation of analog broadcasting and conversion to the current 1080-line ATSC digital system. Technically, this system is still in use in the USA, by a dwindling number of low-power (LPTV) stations who may operate in System-M through August, 2015. System-M is still widely used in closed circuits to send content from video game devices, cable and satellite services, VCR units and digital converter boxes to analog receivers.