Hi Baldrick, you can use 5m boosted USB leads in daisy chain up to around 20m with a powered hub in the middle but after that there is just too much data loss, and the 5 volts start to struggle.
Beware of adverts that say their USB cable booster will boost up to 30m etc, coz they are only USB 1.0, not USB 2.0
These are the items you need:
4 boosted USB2 cables - they look like this
http://www.getprice.com.au/USB-2-0-5...--43618166.htm
1 powered Hub
If you Have a Hub at the scope that will help.
So your connection method will be:
Scope Hub > 5m boosted USB lead > 5m boosted USB lead > powered hub > 5m boosted USB lead > 5m boosted USB lead > PC