Extract service description table

Does anyone have any idea how I can go about getting the service description table out from the tuner, in hex format?

Something like this:

46 f3 b0 00 0a df 02 02 f0 20 ff 03 fc fc 90 53 8a 01 40 ca 0d 00 73 04 49 54 56 32 02 10 00 8e 00 00 48 07 01 00 04 49 54 56 32 9d 04 03 07 01 10 a3 0d 01 5b .........`Preformatted text`