Do all HD formats have square pixels?

including HDV, DVCProHD, EX, HDCAM, all of them really?
Much Thanks, Matt

and just to make it a s'kosh more troublesome, those pixel aspect ratio's (PAR) can even vary depending on whether you're 720 or 1080, and PAL or NTSC frame rates :-/
HDV at 720 has square pixels (1.0), but at 1080 its non-square using a 1440x1080 PAR (1.33)
DVCPro HD (PAL) at 720 and 1080 is non-square using a 720x960/1440x1080 PAR (1.33) but the NTSC frame rate version uses a 1280x1080 PAR (1.5)
XDCAM HD follows the HDV pixel aspect ratios regardless of shooting mode (LP,SP,HQ) as does XDCAM EX in its SP mode, but in its HQ mode it always uses square pixels
HDCAM is non square (1.33) but HDCAM SR is square (1.0)
heres a handy reference for you: http://www.moviola.com/hdaspectconfusion

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