Yes. To be more accurate, I should have said that the receiver/antenna combination make the 430 WAAS capable. The Navworx can receive the signal it needs with the GA56 antenna, which, as you say, is WAAS capable.
Looks like thread drift into approach capable GPS units. The original question was about Navworx ADS-B and the antenna connected to it.
Low angle reception and prediction of the accuracy on approach is another topic and an old one. WAAS had been around for years. So far, Navworx has created one of the most clever (and REAL) solutions on the market for lower cost ADS-B. I see someone mentioned painting their antenna in one post. Most manufacturers would suggest not to. Enjoy the weather products you get with your new system. Winds aloft patterns make choosing a cruise altitude more efficient as well. Just don't be surprised around a class B airport how may planes are on your screen. It gets pretty cluttered. Ignorance was bliss.
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"Kindness is never a bad plan."
Don't know if this will help, but yes. We went through this in a small way. We found that for out black boxes "that are all Garmin" we had the best reception and they were paired correctly by putting the none WAAS box with the GA-56 and the WAAS box with the GA-35. We also looked at putting the antenna in the engine compartment like many have dine, but found that two places made for the best reception and as little problems as possible. The outside skin in front of the wind-screen or the hat rack just inside the rear of the canopy. Those two spots gave us very good reception at the most angles of incline. We have an 8 and I was glad to see that you eye dose not see the GPS antenna setting out in front of the windscreen just to the left of the baggage hatch. I did talk to the guys at team X about failure rate at some point in doing my home work. They said they could count the numbers they had seen go bad on one hand. I think from talking the them and others on the ramp, that these units are very durable. Hope this helps, yours R.E.A. III #80888