• Effective immediately we will be deleting, without notice, any negative threads or posts that deal with the use of encryption and streaming of scanner audio.

    We've noticed a huge increase in rants and negative posts that revolve around agencies going to encryption due to the broadcasting of scanner audio on the internet. It's now worn out and continues to be the same recycled rants. These rants hijack the threads and derail the conversation. They no longer have a place anywhere on this forum other than in the designated threads in the Rants forum in the Tavern.

    If you violate these guidelines your post will be deleted without notice and an infraction will be issued. We are not against discussion of this issue. You just need to do it in the right place. For example:


  1. 2sudsy

    My QFH antenna project

    This is a powerpoint presentation of a quadrifilar helix antenna for 136 mhz. I built it from parts at my local hardware store. https://dl.dropboxusercontent.com/u/83615241/quadrifilar%20helix.ppt
  2. A

    QFH antenna for 435mHz question

    Hello, I've taken it upon myself to build a QFH antenna for 435mhz to receive Amsat signals. I'm at the point (shown here in it's current state http://i.imgur.com/xT6Ylxu.jpg ) where I wire everything up a la this image, http://jcoppens.com/ant/qfh/img/coax/coaxconn1.jpeg I understand the top 2...