def hextable(raw: bytes, cols: int = 8) -> str:
    """
    Formats raw (binary) message in tabular hexadecimal format e.g.

    000: 2447 4e47 5341 2c41 2c33 2c33 342c 3233 | b'$GNGSA,A,3,34,23' |

    :param bytes raw: raw (binary) data
    :param int cols: number of columns in hex table (8)
    :return: table of hex data
    :rtype: str
    """

    hextbl = ""
    colw = cols * 4
    rawh = raw.hex()
    for i in range(0, len(rawh), colw):
        rawl = rawh[i : i + colw].ljust(colw, " ")
        hextbl += f"{int(i/2):03}: "
        for col in range(0, colw, 4):
            hextbl += f"{rawl[col : col + 4]} "
        hextbl += f" | {bytes.fromhex(rawl)} |\n"

    return hextbl