The past year has seen tremendous growth in the portable ADS-B receiver market. For less than $1,000 you can now have subscription-free in-flight weather, GPS, traffic and a backup attitude/heading display, all on your iPad. There are a lot of options out there, so we assembled this buyer’s guide to help you sort out the details. Click on the image for a larger version:

ADS-B Comparison 052114b

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Appareo Stratus for ForeFlight

Garmin GDL 39

Dual XGPS170

Sagetech Clarity

iLevil Technology

Radenna SkyRadar