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home:special:emf:measure:meters [04.06.2019] – [Devices for Measuring radiation] sallieqhome:special:emf:measure:meters [09.14.2022] (current) – external edit 127.0.0.1
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 There is a nice user-supported project, however, the "RF-Explorer" device, and associated software. For those of you who are technically inclined, preferably with a radio background, this device seems to do just about all one could want in a portable Spectrum Analyzer (15MHz to 2.7GHz). There is a nice user-supported project, however, the "RF-Explorer" device, and associated software. For those of you who are technically inclined, preferably with a radio background, this device seems to do just about all one could want in a portable Spectrum Analyzer (15MHz to 2.7GHz).
  
-The designer's website is at: [[http://goo.gl/ltyJp|RF designer's website]]+The designer's website is at: [[https://goo.gl/ltyJp|RF designer's website]]
  
 I have used it to look at radiation from my neighbors' DECT phones, (I was so horrified by our own that I immediately replaced it with wired phones), to look at the Smart-meter network in a little more detail, and generally to make sure there are no unexpected sources of radiation around (like the ROKU). I have used it to look at radiation from my neighbors' DECT phones, (I was so horrified by our own that I immediately replaced it with wired phones), to look at the Smart-meter network in a little more detail, and generally to make sure there are no unexpected sources of radiation around (like the ROKU).
  
-Here is a link to a convenient supplier: [[http://www.amazon.com/gp/product/B00GM72CGU|supplier]]+Here is a link to a convenient supplier: [[https://www.amazon.com/gp/product/B00GM72CGU|supplier]]
  
 It is relatively expensive because it is pretty sophisticated. Note that I am not suggesting this is worth every member rushing out and buying, but if you know you want a spectrum analyzer, I have given this one a through checking-out, and you won't find anything much better at anywhere near the price. It is relatively expensive because it is pretty sophisticated. Note that I am not suggesting this is worth every member rushing out and buying, but if you know you want a spectrum analyzer, I have given this one a through checking-out, and you won't find anything much better at anywhere near the price.
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 The new SDR (Software Defines Radios) are an inexpensive way to look at a range of frequencies. You can buy a dongle, and an assortment of antennas,  for just a few dollars which connects to a computer (Windows, Mac Linux and Android) and allows you to tune from the bottom of the AM broadcast band (500KHz) to 1.8GHz. This takes you through the smart meter and 4G regions and well beyond the FM and TETRA radio sources. It does not reach WiFi at 2.45GHz, however, or the higher UMTS and 2G / 3G regions around 2Ghz. The new SDR (Software Defines Radios) are an inexpensive way to look at a range of frequencies. You can buy a dongle, and an assortment of antennas,  for just a few dollars which connects to a computer (Windows, Mac Linux and Android) and allows you to tune from the bottom of the AM broadcast band (500KHz) to 1.8GHz. This takes you through the smart meter and 4G regions and well beyond the FM and TETRA radio sources. It does not reach WiFi at 2.45GHz, however, or the higher UMTS and 2G / 3G regions around 2Ghz.
  
-In the lab I also have a KiwiSDR, and it covers lower frequencies from 4KHz to 30MHz. You can access these free of charge  from all around the world from the list at http://SDR.hu+In the lab I also have a KiwiSDR, and it covers lower frequencies from 4KHz to 30MHz. You can access these free of charge  from all around the world from the list at https://SDR.hu
  
 I see little to no advantage with upgrading to the new Cornets. If you have one measuring to -65dBm, it will seve you well for a specific type of peak, quick-and-dirty measurement. I see little to no advantage with upgrading to the new Cornets. If you have one measuring to -65dBm, it will seve you well for a specific type of peak, quick-and-dirty measurement.
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 {{tag>EMF Lifestyle_modifications meter }} {{tag>EMF Lifestyle_modifications meter }}
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 ===== Notes and comments ===== ===== Notes and comments =====
  
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