[TenTec] FLEX, Omni-VII, Hilberling,

[Lee A Crocker]

In order to get FCC accepted the radio had to be made in such a way it won't transmit anywhere.  It also had to be made so it wouldn't act as a scanner.  This is the reason for the firmware in the Flex 5K, in order to provide the security required by the FCC for type acceptance.  The firmware can be opened up if you have the proper authorization such as for MARS operation or governmental use.  The DSP in the flex consists of the QSD AD/DA and PowerSDR software.  There is no longer a prosumer "soundcard" involved because the radio in fact has a far more high performance DSP.   The DSP is still under control of PowerSDR.   

In fact there are several version of personally modified PowerSDR that are maintained by individuals who are experiemnting with the code that are maintained on the Flex SVN.  The code is still open source, and the SDR-1000 and the Flex 5000 still share the same code.  It will be interesting to see how the new radio plays.  

73  W9OY



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