Michael,
Buy the 347, the 642 will not give you all the features you will want down
the road when you want to do full house 6 servo planes. The 347 is out of a
date but still a very good radio. If has not been service in a while I would
suggest sending in to JR and have them install a new Lithium battery and
retune the module. You will then have a radio capable of almost any glider
scenario you might encounter. Just my two cents worth. BTW, I still use my
347 as much as any other radio and I have a 388 and a brand new 8103.
See Ya,
Pat McCleave
Wichita, KS
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