I don't know the RF side of things with nearly as much detail as the serial side of things, but it seems to me that both 978mhz and 1090mhz would have the same basic transmissions, and it's something like once per second that they send their information. There's less bandwidth in the 1090mhz spectrum overall, but on the 978mhz side, they also send weather/notam information too. So in some respects I can see that taking a bit of that larger bandwidth up. Still, I am doubtful that the simple fact of sticking wx+traffic on the 978mhz side should cause any worse traffic issues than on the 1090mhz side. I think really that most everybody in Avionics does some coasting. And I think that on either side, that helps a lot. I know for sure when I was still running the echos, that adding traffic sorting and then coasting did some drastic improvements to the traffic functionality of the system. If you simply strip out the non-factor traffic, that drastically too would improve the serial data flow. So getting better function out of the system should not be THAT hard. We did it ourselves. What really got me to give up was the constant ghost/shadow targets that I simply could not get rid of. With NavWorx, it was a VERY VERY occasional thing. But that box had a lot stronger transmitter. I think the very much less powerful transmitter in these micro boxes probably adds to the shadow target problem because you have radar stations picking up your transponder from far far away, but the GBT may not "see" your UAT signal at the same time. That makes it much harder for the system to merge these targets. I was getting shadows all the time when flying around MSP airspace, doing flight profiles that were never a problem before. And, even with the new Lynx, are not a problem. I really got tired of hearing "traffic" only to see it located at my own position. I think we got that all figured out too, but after spending hundreds of hours and probably nearly $1000 extra dollars on stuff along the way, I felt it was best just to move on. There are just too many things that really should be improved, and transmitter power is one that I couldn't do anything with.