You ve got it To find the number of lines across the entire width of a standard aspect screen you d have to multiply the resolution by 1 33 so my example of 220 would be 293 lines across the entire screen which sounds like your estimate of nearly 300 I think that 244 is a theoretical maximum within the VHS signal bandwidth Individual results will vary according to equipment etc I looked at the article just now and the information there is clearly wrong I don t have time to correct it right now but someone should