ConvertFrom-FixedWidth.ps1

  function ConvertFrom-FixedWidth($strings) {
    # The first column is the header. We assume that columns are separated by at least two spaces.
    $headerRegex = [regex] "\w+\s{2,}"
    $columns = $headerRegex.Matches($strings[0]) | ForEach-Object { [pscustomobject]@{
        Name   = $_.Value.Trim()
        Start  = $_.Index
        Length = $_.Length
      } }

    $values = @()
    for ($i = 1; $i -lt $strings.Count; $i++) {
      $s = $strings[$i]
      if ($s.Length -ne 0) {
        $value = @{ }
        foreach ($column in $columns) {
          if($s.Length -lt $column.Start + $column.Length){
            break
          }
          $value."$($column.Name)" = $s.Substring($column.Start, $column.Length).Trim()
        }
        $values += [pscustomobject]$value
      }
    }
    return $values
  }