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   AMATEUR_RADIO      Ham radio for when Armageddon strikes      2,531 messages   

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   Message 2,241 of 2,531   
   Ivan Mikhalev to All   
   HackRF spectrum cleanliness tests   
   23 Feb 21 02:35:47   
   
   TZUTC: -0600   
   MSGID: 673.fn-amateurr@1:154/30 2499f704   
   PID: Synchronet 3.18c-Linux ensemble/127f9ab Jan  5 2021 GCC 4.8.5   
   TID: SBBSecho 3.12-Linux ensemble/127f9ab Jan  5 2021 GCC 4.8.5   
   COLS: 80   
   BBSID: ENSEMBLE   
   CHRS: ASCII 1   
   NOTE: Synchronet msgeditor $Revision: 1.175 $   
   I have finally tested the HackRF for spurious emissions, and I can say it is   
   definitely acceptable.    
      
   With SDRAngel acting as the IQ modulator, I got really clean performance on   
   40m. There is a DC spur at IF center though, so offset tuning should be used.   
      
   Wideband spur emissions are minimal, shouldn't interfere with anybody on HF.   
   Yet to get reception reports though, as now I have no license and no suitable   
   power PA.   
   --- SBBSecho 3.12-Linux   
    * Origin: War Ensemble - warensemble.com - Appleton, WI (1:154/30)   
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