Saber special characters

I am using Saber Web Services (SabreCommandLLSRQ) to build a C # proof of concept for low fare refurbishing.

Now I am hitting some special saber characters that I don't know what they are in C #. I have some that work, but I'm sure there are more - does anyone have a saber character mapping for C #?

private string BuildPriceLine()
{
    const char CHLOR = (char)0xE7;   // Cross-of-Lorraine
    const char ENDITEM = (char)0xA7; // End Item key
    const char CHGKEY = (char)0xA5;  // Change Key

    var sabreCommand = new StringBuilder();

    // WPRQ‡AAA‡UN*C123456‡KP0‡XP«
    sabreCommand.Append("WPRQ");
    sabreCommand.Append(CHLOR);
    sabreCommand.Append("AAA");
    sabreCommand.Append(CHLOR);
    sabreCommand.Append("UN*C123456");
    sabreCommand.Append(CHLOR);
    sabreCommand.Append("KP0");
    sabreCommand.Append(CHLOR);
    sabreCommand.Append("XP");
    sabreCommand.Append(WhatSabreCharIsThis); // "«" ?

    return sabreCommand.ToString();
}