Not an exact match but saw a "DT-809A" today while shopping and its similar= in design. -----Original Message----- >From: Herbert Graf >Sent: Jun 14, 2013 3:03 PM >To: "Microcontroller discussion list - Public." >Subject: Re: [EE] Weird Antenna > >I was in the area again and pulled out my DSLR.=20 > >The images give a MUCH better view. I've attached very low res small >image to this email. > >For higher res pictures please use the following links: >http://www.herbgraf.com/wp-content/uploads/2013/06/weird_antenna_1.jpg >http://www.herbgraf.com/wp-content/uploads/2013/06/weird_antenna_2.jpg > >As the images show, this weird antenna is using the DBS antenna as a >mount! The DBS antenna is probably not being used. > >The angle from horizon to zenith that's it's aimed at is about 45 >degrees. It may be hard to tell, but the weird antenna is pointed AWAY >from the camera. > >Angle that it's pointing is about SW. > >Based on the grid it's a vertically polarized signal that it's aimed to >pick up. The size of the driving element is around the 2X the size of >the white sheild of the DBS LNB it's attached to, so the total length of >the active element is probably around 6-8" (~15-20cm). > >It feeds a single coax, I don't see any LNBA, looks like the receiving >antenna is directly connected to the coax (I'd guess a BALUN is >involved, but you can't see it. > >Thanks for any hint! Never seen one of these! :) > > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .