These days there are few stations on 2m AM. Compared with a few years ago the general level of activity (FM and SSB) is lower with fewer people coming on just for a chat. These days, most go on the internet for a chat. FT8 activity is higher, but outside contests and lifts, the 2m band is pretty quiet. This is also true of 70cm, at least here.
Many years ago I designed and built the Fredbox. I do not suggest you try to duplicate it, but you may get some ideas from it.
See https://sites.google.com/view/g3xbm4/home/vhfuhfmicrowaves/homebrew/fredbox .
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