• 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:
    https://forums.radioreference.com/rants/224104-official-thread-live-audio-feeds-scanners-wait-encryption.html

how to block am/fm?

  1. J

    Can Block FM but Not AM

    Hi guys, I'm working on a project involving radio frequencies. I want to use a steel mesh as a Faraday cage for a radio alarm clock inside the sealed mesh. Somehow, the FM frequencies are totally blocked but the AM frequencies come through the mesh loud and clear! Can anyone please help me...
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