Superyagi¬† Slim-Jim Antenna for Civil Airband (128mhz Centre Frequency) .   You may recall a review I did quite a while ago on the superyagi j-pole antenna for civil airband. That first review and a little more info about the business is linked below, http://www.merseyradar.co.uk/airband-radio/superyagi-civil-airband-antenna/ That variant was certainly made to last and that particular…