Thanks for the info.
Could you supply a link for such an antenna ?
These are not the only choices. Look at these to see what you're trying to find from other sources too.
True aviation antenna (with price to go with). For transmit and receive. (tuning of the antenna matters most on transmit)
http://www.aircraftspruce.com/catalog/avpages/av1_ant.phpThis is a general-purpose (ham mostly) antenna-
http://rffun.com/catalog/hamants/2063.htmlOr this;
http://www.radioshack.com/product/index.jsp?productId=2103641&cp=2032052.2032075.2032078.2032098&allCount=24&fbn=Type%2FScanner%26%23047%3BHAM&f=PAD%2FProduct+Type%2FScanner%26%23047%3BHAM&fbc=1&parentPage=family
or this:
http://www.radioshack.com/product/index.jsp?productId=2103160&cp=2032052.2032075.2032078.2032098&allCount=24&fbn=Type%2FScanner%26%23047%3BHAM&f=PAD%2FProduct+Type%2FScanner%26%23047%3BHAM&fbc=1&parentPage=family
Or you could hit up the pilot shop where you bought the radio and see what they might have in their catalog.