Depends on what you have or might be buying and amount of space for the equipment. If very small is desired I guess if you like them a K3 or a IC-7000 (I've heard Lot's of both of these) often. Two fellows from Central Africa use IC-7000 in just the last year or so I noted them in my log both on battery power and a P29 also.
It all depends where you are going and what is available when you get there as far as equipment to suggest.
73 de Fred N0AZZ
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