This is most likely a dumb question - BUT I have searched for the answer, so far without success..... I have an Icom 7610. Have successfully interfaced it to WSJT-X, which works fine. Have also successfully interfaced it to Amateur Contact Log, allowing ACL to poll radio data - it works fine, too. But what I can't figure out is how to get BOTH of them talking to the 7610 at the SAME time. Icom's newest Comm port driver (as reported in Win 10 Device Manager) installs 2 ports, which in my case show as Comm 7 & 8. WSJT-X and ACL both recognize both ports, but will only talk to the radio using Comm 7. Neither will work via Comm 8 - which Icom Tech Support says is "normal". So in spite of having two front mount USB ports, one each USB 2.0 and USB 3.0 rear ports - it seems only one is available for any type of rig interface, which is pretty annoying. I've found vague reference on-line that in order to have both WSJT-X and Amateur Contact Log talking to the rig at the same time, I might have to use the old legacy Icom CI-V Remote interface linked to ACL - which seems to be a 3.5 mm mini-plug connection on back of the radio. Icom has a manual covering CI-V interface protocol commands, but I've not found what hardware interface / drivers might be required to get it talking to a Win 10 PC (where I'm guessing it might show up as yet another Comm port - but maybe not??). Below reply from Icom probably contains all the clues I need - but I'm just not smart enough to figure out what they are. Is there some old ICOM REMOTE cable / interface that I need?: A quick explanation of the the COM Ports. There are two COM ports when the radio is connected to a PC using USB1. The first one is for CI-V/CAT control of the radio, and the second is for RTTY/FSK/PTT. This is why COM8 on your radio appears dead. The second USB port (USB2) is a USB 3.0 SuperSpeed port for I/Q connectivity (for HDSDR) only. Generally COM ports cannot be shared between two applications. The first app will acquire the COM port and will not share it with other app's. This is normal. There are workarounds available on the Net. Though in your case you might be able to use both the USB, and REMOTE connections to allow your software packages to run concurrently. Again plenty of resources on the Net on how to do that. Anyway - All I'm trying to do is have WSJT-X's confirmation contact data automatically transferred to and be recorded in ACL. I'd sure be surprised if I were the first person that wanted to do that. Or maybe there is some better way to accomplish this data interface without both software packages directly talking to the IC-7610???