I'm also using Dave's ADS-B antenna.
I got it since I also enjoyed reading Dave's posts in this hobby on RailScan or Aircraft groups.
You can also read other reviews from other SBS-1 users on this topic thread.
DPD Productions Antenna - 5 pages so far for this antenna.
http://www.kinetic-avionics.co.uk/fo...pic.php?t=9987