open wktoss.dta
load mir                 start 1730 span 400 step 1 run print? ret 
load almaz-1             start 1730 span 400 step 1 run print? ret
load gamma               start 1730 span 400 step 1 run print? ret 
load uars                start 1730 span 400 step 1 run print? ret
load hst                 start 1730 span 400 step 1 run print? ret
load gro                 start 1730 span 400 step 1 run print? ret
load 1989-026a           start 1730 span 400 step 1 run print? ret
load "cosmos 2107"       start 1730 span 400 step 1 run print? ret
load "cosmos 2122"       start 1730 span 400 step 1 run print? ret
load erbs                start 1730 span 400 step 1 run print? ret
load intelsat-6          start 1730 span 400 step 1 run print? ret
load "seasat 1"          start 1730 span 400 step 1 run print? ret
