Guys i own the above icom with a d 777 diamond antenna and a yaesu vx6e (yaesu is used in my work i am a firefighter and licenced radio amateur) I use it mostly (the icom) for listening in the civil aviation band to an airport located about 15km from my house with a mountain in the line of sight. I even can hear slightly the ground services cause i am on a high ground my question is if i purchase the above scanner and plug it with the exterior antenna will it be a noticeable difference in reception? Thank you guys for any given answer.