最近才发现Orbitron过境时间和Look4Sat不一致，导致接收不到ISS信号，
更新celestrak星历下载结果部分成功，部分失败。
查看Orbitron程序文件夹发现TLE文件日期还是200几年的，
去celestrak网站发现域名已经从.com换成.org了。
果断卸载重新安装Orbitron到D盘，放到C盘可能会被系统权限限制，
新建一个星历群组，编辑群组时，复制下列网址保存，再更新就OK了。
http://celestrak.org/NORAD/elements/gp.php?GROUP=active&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=amateur&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=analyst&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=argos&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=beidou&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=cubesat&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=dmc&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=education&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=engineering&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=eutelsat&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=fengyun-1c-debris&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=galileo&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=geo&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=geodetic&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=globalstar&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=glo-ops&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=gnss&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=goes&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=gorizont&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=gps-ops&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=intelsat&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=iridium&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=iridium-NEXT&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=last-30-days&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=military&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=molniya&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=musson&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=nnss&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=noaa&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=oneweb&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=orbcomm&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=other&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=other-comm&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=planet&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=radar&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=raduga&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=resource&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=sarsat&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=satnogs&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=sbas&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=science&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=ses&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=spire&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=starlink&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=stations&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=swarm&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=tdrss&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=visual&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=weather&FORMAT=tle
http://celestrak.org/NORAD/elements/gp.php?GROUP=x-comm&FORMAT=tle
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