Being that he is away he is getting the ultimate amount of SPACE right now.
Did he explain why he wants a divorce?
I would let him control the contact.
Your 180 should be working on YOU and not worrying about your relationship with your husband. You are not in control of that right now. You did not break him and you can not FIX him.
Keep posting, you are on moderation right now but stick to one thread until you get to 100 posts.