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About s2e3s2z2

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    RC-Cam Visitor

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    Northeast, U.S.
  1. For a second there I thought it said, "Tips on Waterboarding"....I was like whaaaaa?
  2. I was actually considering building one the minute I came across the website on Engadget (or was it RC Groups?). Anyway, I'm going to figure out what the total cost will be first, then I'll decide. It's a great platform for AP that's for sure.
  3. The way polarizing filters work, it can be a bit of a challenge to keep the filter at the best orientation with aerial photography. Polarizing filters work best when the sun is at a 90 degree angle to the object you are attempting to photograph. In other words, if a giant photographer stood in the Atlantic Ocean pointing his camera at the United States to the west, he would get the best results around noon when the sun is at a 90 degree angle to his position. If you were to use a filter on a camera that is pointing downwards towards the ground, you would have to fly parallel to the sun, (not towards it or away from it) after sunrise and before sunset to achieve the maximum effect of the filter. You can get a decent quality one for about $20. The ones made by Tiffen are a good start. Here’s one for example: http://www.bhphotovideo.com/bnh/controller...oughType=search This should give you an idea of what to expect with a polarizing filter http://www.naturalhighs.net/waterfalls/fal...2/taugh-p9.htm# (click on the camera to the right)
  4. I don't mean to clog this thread with a basic question, but since this is a diversity receiver, and as such provides a solution to the multipath problem, will it effectively eliminate ghosting? Especially in the 430MHz UHF band? Sample attached:
  5. I'd like to build a diversity receiver to be used with 900MHz and 400 MHz. Now, I know some of you have built 2 way and 4 way diversity receivers using PIC controllers. However, I was interested in building one that I could find tutorials of online or perhaps step by step instructions so as to save the time involved in learning a new programming language and going beyond the scope of what a simple device would or should require. I have come across this http://www.cyber-flyer.com/video/div_schem.jpg schematic and I have to ask, does anyone have a CAD file with a parts list that I could send to a PCB manufacturer and then assemble the board myself? If not, is there a user friendly tutorial to building one’s own diversity receiver? Thank you!
  6. The Xenarc product line seems to be popular among members of the mp3car forums.
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