[hpsdr] PowerSDR Radio Astronomy

[georg Prinz]

Hi Joe,

I am talking about the RA display, only. What I expect when reading a 
data file into the RA display is, that it looks exactly like the plot I 
saw on the RA display when writing to the file.
The fact is, when reading a data file, the RA display shows no plot. 
Only the box "# of averaged points collected/saved" changes to the 
correct value.
The background of the RA display is white with a grey grid and numbered 
y and X scale. Could it be, that the writen plot is also white?

73,
Georg
DL2K




Am 15.10.2014 um 18:30 schrieb Joe Martin K5SO:
> Hi Georg,
>
> Okay, perhaps you are expecting that something should change on the main PowerSDR RX1 display; it won’t, as there is no communication between the RA utility and the main RX1 display directly.  Indirectly the two displays are related by the fact that the instantaneous signal level shown in the main display makes up a single data point in the RA display during data acquisition.  When data is written out to file by the RA utility it is writing the instantaneous signal-level points (as shown in the S-meter on the main PSDR display) to file, not the entire set of measurements that the radio used to obtain each S-meter reading.
>
> When you read a data file into the RA utility, the RA utility plots the points onto the RA display only.  The data read into the RA utility has nothing to do with the main RX1 panadapter display in PowerSDR if that’s what you were thinking.  The RA utility is independent as far as its data display is concerned.
>
> Does that explanation help in understanding of how RA works?
>
> 73, Joe K5SO
>
> On Oct 15, 2014, at 10:10 AM, georg Prinz wrote:
>
>> Hello Joe,
>>
>> I am using version v3.2.19(8/29/14). Writing a file is correct. I can retrieve it with excell. With the RA utility it schows correctly the average points collected but no visual representation of measurements. The scaling mode is automatic.
>> The OS is win7. I took an random signal (TTY on 40m).
>>
>> 73,
>> georg
>> dl2kp
>>
>>
>>
>>
>>
>> Am 15.10.2014 um 16:30 schrieb Joe Martin K5SO:
>>> Hi Georg,
>>>
>>> Never mind the question, the RA utility rescales the H axis RA display when it reads a file so that’s not the problem.   I’m not sure what to think about your report at the moment.  It’s not reproducible for me here.
>>>
>>> 73, Joe K5SO
>>>
>>> On Oct 15, 2014, at 8:19 AM, Joe Martin K5SO wrote:
>>>
>>>> ***** High Performance Software Defined Radio Discussion List *****
>>>>
>>>> Hi Georg,
>>>>
>>>> I just tested the RA utility here and it works fine to write data to a file, as you say, and also to read a data file into the RA display, as usual.  Do you have the X-axis min/max values set so that they cover the time range that exists in the particular data file you’re reading?
>>>>
>>>> 73, Joe K5SO
>>>>
>>>>
>>>> On Oct 15, 2014, at 7:53 AM, georg Prinz wrote:
>>>>
>>>>> ***** High Performance Software Defined Radio Discussion List *****
>>>>>
>>>>> Hello,
>>>>>
>>>>> I tried to observe Signals with the Radio Astronomy data collection utility build into PowerSDR.
>>>>> There is no problem to write the data file into a directory. But there is no response if a any stored
>>>>> date file is read. I thought, that when a data file is read, it will be shown in the same utility screen.
>>>>>
>>>>> Did I miss anything?
>>>>>
>>>>> 73,
>>>>>
>>>>> Georg, dl2kp
>>>>>
>>>>>
>>
>> -- 
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