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--- guides:sdr_tracker [2013/04/06 22:15] – upu
+++ guides:sdr_tracker [2018/08/21 12:57] (current) – [Decoding the Payload] kevwal
@@ Line 34: / Line 34: @@
 **Warning. I don't know if mine is broken but its totally useless at receiving actual in the air HABs. Ok for testing but it drifts badly too. I would appreciate anyone else who has uses these giving some feed back thanks - Upu**
 The [[https://www.cosycave.co.uk/product.php?id_product=288|NEWSKY TV28T RTL 2832U / R820T]] is a extremely cost effective unit that comes with an SMA adaptor.
+Older versions of TV Dongles do drift however more recent (2015) versions are much better and are used by many people for tracking.  Dedicated dongles such as Airspy are now much more common and form the basis of very good receivers.
 ===== Mac Software  =====
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 The guys at SDRSharp have done a very easy script for installing the dongle. Go to :
-http://sdrsharp.com/downloads/sdr-install.zip
+http://airspy.com/download/
 Extract this zip and double click Install. This will create a sub directory called sdrsharp. Within this sub directory double click zadig.exe and you will see the following with an empty list :
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 For the next step you will need to download and install Virtual Audio Cable or some other such software.
+Some sound cards under Windows support "Stereo mix" which is a built in feature to perform this function for you. Enable it following these instructions: http://www.howtogeek.com/howto/39532/how-to-enable-stereo-mix-in-windows-7-to-record-audio/
+If not, chose one of the below pieces of software.
 Virtual Audio Cable is available here : http://software.muzychenko.net/eng/vac.htm
+Virtual Audio Cable demo send some voice over the channel saying "TRIAL" so it's pretty useless now for this use.
+VB-CABLE Driver: http://vb-audio.pagesperso-orange.fr/Cable/index.htm, (21/08/18 Now moved to here: https://www.vb-audio.com/Cable/index.htm). VB-Cable driver is a donationware. The configuration steps are the same than VAC. You should try this one.
 Jack Audio is availble here : http://www.jackaudio.org/