Brads Unknown

From: Greg Roberts (grr@telkomsa.net)
Date: Fri Jul 04 2008 - 07:41:43 UTC

  • Next message: David Brierley: "DMB Obs July 3-4"

    Brad Young wrote:
    
    >Could this have been USA 142 (25669, 99017A)? I notice it's been lost since
    >November 2007, and predicted track is very similar to what I saw. .....
    
    >Last elset was:
    >DSP F19 USA 142
    >1 25669U 99017A   07324.02276106 0.00000000  00000-0  00000-0 0    07
    >2 25669  29.0657 245.4422 7091527 341.3340  18.6658  2.32920751    06
    
    Well done Brad - I suspect this is what you saw but Im sure Mike will be able
    to confirm it... When I last tracked this satellite by radio (S-band) a few 
    months
    ago it was still transmitting so it is quite possible that it is still in 
    operational
    use - I dont know if it can change its orbit-probably unlikely - and from what I
    recall of its optical appearance it does the characteristic 2.5 sec flashing of 
    a
    DSP -( relying on my memory now so hope its still reasonably accurate!)
    
    As soon as I come out of my winter hibernation - its cold and raining /cloudy
    most of the time now during my winter rainy season - Ill give it a go again by
    radio and optical means. By then I should have a new camera so eager to track
    again. Cant have everyone else having all the fun!
    
    Cheers
    Greg
    
    
    
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