With regard to satellite voting, both parties jockey to to have the locations in places favorable to their party. For example, Democrats might want the satellite voting location in heavily Democratic southern Washington Township. Republicans meanwhile would argue to have the satellite location in heavily Republican territory such as southern Perry Township.
Republicans have in the past expressed concerns that these satellite, early voting locations could open up the process to fraud. Modern technology has lessened that possibility, however. For example, voter lists can be immediately updated, thus lessening the possibility that a voter might try to vote in multiple satellite locations.
As far as the location of the two satellite locations, the answer would seem to be simple: Let the Democrats pick one location, while Republicans pick another. Problem solved.
While I'm much more a fan of Election Day voting centers than early voting at satellite locations, the latter is not going to go away any time soon. Republicans need to be careful to not just reflexively oppose them. Voters will see that opposition as the GOP wanting to making the voting experience more difficult and less convenient for them. That's not a good political position to be in