re: WIRE flashes and tumble period: >There may or may not be a correlation between the apparent tumble rates >that we observed and the actual tumble rate. The relationship between sun- >sat-observer, possibly multiple spin axes, and a bunch of different >reflecting surfaces can get pretty complicated. Just in my observation >alone there was a rapid increase in the apparent flash rate over the span >of one minute. I measured 20 regularly spaced, predictable flashes in 3880 video fields (1/60 sec)... each flash was nearly perfectly 200 video fields apart, very precise and repeatable. I expect tonight's pass to be much faster?! -Ron