Attn: Eric Swartz No way will I pay $16.00 to ship an envelope to Canada as quoted on your web page order form, when I know the Air Mail postage is probably about $2.00. Please advise the exact U.S. postage required to mail the E850138 upgrade kit and my U.S. $ cheque will immediately follow. Thanks & 73, Bob Abell VE3XM K2's S/N 02062 & 02676