No Shaw Service in USA

As far as using in multiple locations and use in the US, as mentioned above, I think it's something they tolerate but it is against the service terms:

from http://www.shawdirect.ca/english/documents/terms-of-services.pdf

...
3. Phone Connection.
Unless Shaw Direct otherwise agrees prior to activation, Shaw Direct
requires that each Receiver, excluding DSR 205, DSR 207, and DSR 209, or any other Digital Satellite
Receiver (DSR) that does not contain a modem, associated with your account must always be directly
connected to an operating land-based telephone line in Canada. ...
4. Restrictions.
You acknowledge and agree that the Services will only be provided to you in Canada and that the service address associated with your account is located in Canada. You agree that you will not directly or indirectly use a single account in connection with more than one (1) service address, and no more than two (2) phone lines will be associated with your account. You will keep Shaw Direct advised of your service address and phone number(s) associated with your account at all times. In addition, no more than six (6) Receivers will be authorized to receive Services on your account, and all such Receivers must be located at the service address listed on your account and connected to phone lines registered to this service address. If we determine that you have failed to maintain such a direct phone connection, noted in Section 3, or if the Receivers are not all located at the service address listed on your account and connected to phone lines registered to the service address, we may, in our discretion, disconnect some or all of the Services and/or charge you for Services that have been received by the non-authorized Receiver(s).
...

That said, I do agree that they are open to RV use and are fairly flexible when it comes to them.