def strtime str
  case str
  when /^(\d\d\d\d)(\d\d)(\d\d)T(\d\d)(\d\d)(\d\d)Z$/
    Time.gm(*($~[1..6].map{|s| s.to_i}))
  else raise "malformatted time #{str}"
  end
end

colh = {}
table = []
bt = nil
for line in ARGF
  case line
  when /^IS_013:/
    bt = strtime(line.split(/\s+/)[2])
  when /^PDS001:/
    table.push Hash.new
  when /^(PDS(?:001|019|035|042|059|062|067|071|074)|BMS(?:001|006)):/
    key = $1
    v = line.split(/\s+/)[2]
    v = (strtime(v) - bt) / 3600.0 if /PDS035/ === line
    table.last[key] = v
    colh[key] = true
  end
end
cols = colh.keys.sort_by{|k|
  k.sub(/^PDS/, '4.').sub(/^BMS/, '6.')
}
puts cols.join("\t")
for row in table
  puts cols.map{|c| row[c]}.join("\t")
end