Re: Noise Floor With And Without Antenna #airspyhfplus

David Eckhardt
 

Run the same with AGC OFF and preamp OFF.  Please let us know what the bandwidth is.  Also, the 20-meters capture is still 49-meters by the frequency indication.  You shouldn't need the preamp for HF with a 'reasonable' antenna. 

Dave - WØLEV

On Thu, Feb 22, 2018 at 7:48 PM, <markobyrnes@...> wrote:
First Pic , 49 meters with Bonito FX Loop. A few screen shots from about 5 pm UTC which is local time same as GMT.




2nd Pic, without Antenna connected. What do people think of this noise floor ?





20 Meters Ham With Loop.






--
Dave - WØLEV
Just Let Darwin Work

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