No 2 ways around it man. You have to have separate coax for each antenna bottom line just like JJD stated. Whoever told you that you could use 1 coax for 2 antennas without a splitter is crazy. Get one or 2 of the coax splitters that JJD recommended and you can set up 2 antennas and use 4 radios or 4 antennas and 2 radios. But all will require coax to each no matter what!!