Don't forget the Aurora 9 has sliders on the left and right side of the radio. Unfortunately Hitec doesn't support the PPM sum input for the APM, but I have asked their support for this feature and it sounds like they're working on it (you should email their support and ask for it as well, email@example.com). The Aurora 9 has some telemetry out of the box like flight pack voltage. The 3DR radio can do this but I find it nice to have the voltage right there on the transmitter in your hand. I think either way you can't go wrong, both are great radios.
For what it's worth, there's a third party receiver for Hitec that does the PPM sum.
I like both those brands. But I wish they'd go back to the days of using RF modules. Then we could choose the "best" Tx modules (IMO none of the brands mentioned so far in this thread...), or at least our preferred one to match our preferred RX type, plus cheaper and "better" receivers with PPM ("single wire") etc.
I think this is why some of the quality older TXs are in good demand now. One other thing I like is having the main display up top, closer to where my eyes are; or at least a smaller/secondary "flying screen" up there like some of the future designs have.
Yeah, I'm not too happy with the current designs, they are so copy-cat and not so well thought out for our use, so I'm not buying a new one now. These guys gotta get their act together and stop being so proprietary too. While they still can.
For what it's worth the Aurora 9 has a user replaceable transmitter module on the back. Some other radio manufacturers have stopped doing this (which I don't like either).
Hello. I am glad know that you are using Hitec Aurora 9. My problem is that I cannot get six modes from the two position switch even after referring previous forum posts about it.
I just bought the Aurora 9 about a month ago, so maybe it's related to the new firmware on Aurora 9. Could you please share you setttings that achieve the six flight modes?
I use these with my 8fg. Tiny and has CPPM (one cable without need for adapter) and RSSI (PWM) output
NOTE: I had to build a little digital to analogue filter to get the RSSI working!