Happy Wanderer Caravan Accessories - Somerton Park: Happy Wanderer Caravan Accessories: The T-Bar antenna has proven over time to be one of Australia's favourite RV antenna's with over 70 000 sold in our 13yr history Happy Wanderer Caravan Accessories - Somerton Park:  Happy Wanderer Caravan Accessories: The T-Bar antenna has proven over time to be one of Australia's favourite RV antenna's with over 70 000 sold in our 13yr history