[Scanner] scanner antenna

[Don]

HI ALL
looking for the highest gain scanner antenna
it will be 40 in the air here on MS GULF COAST
prefer a vertical as i don't have a rotator but will consider yagi type if 
gain is exceptional over my ham antenna of 10.4 which i am using now
scanner is bc780xlt
Don
SEMPER VIGILIS
EAGLES  may soar, but weasels don't get sucked into jet engines
http://www.veteransparty.us/MS01.htm Ms Veterans Party
http://www.jcmsara.org Ham radio link
http://myweb.cableone.net/wxfreqrs/  Pascagoula Ms Real Time Observations