[hpsdr] Fwd: Re: pihpsdr

[Bob Cowdery]

I've got it running on the 7" touch screen now, looks fantastic but 
unfortunately didn't fix the blip even after I stopped the xrdp service.

pihpsdr shows about 35%, Xorg 20% and the rest very little. Free mem 
about 520K.

73 Bob G3UKB

On 2/5/2017 1:24 PM, Bob Cowdery wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Only 48K works, higher rates are not intelligible. I can run 384k
> normally so you are probably correct that RDP is putting extra load on
> the pi. I do have the standard 7" screen and enclosure which I plan to
> set up so I will let you know how I get on with that.
>
> Bob
>
>
> On 2/5/2017 1:15 PM, John Melton wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi Bob,
>>
>> Do you get the blip regardless of sample rate?
>>
>> I suspect that the problem is caused by running RDP but not 100% sure
>> as I cannot test because I do not run any Microsoft software here.
>>
>> -- John
>>
>>
>> On 05/02/17 12:40, Laurence Barker wrote:
>>> ***** High Performance Software Defined Radio Discussion List *****
>>>
>>> I wasn't getting that on my USB based Ozy. I did find that the
>>> behaviour was
>>> sample rate and noise blanker setting dependent - if you selected too
>>> high a
>>> sample rate it would stop functioning. With my RPI3 I was able to get
>>> 192K
>>> samples per second, but with no NB selected; you needed a lower
>>> sample rate
>>> with NB.
>>>
>>> Is the behaviour you get affected by sample rate, NB, AGC etc 
>>> selection?
>>>
>>>
>>>
>>> Laurence Barker G8NJJ
>>>
>>> laurence at nicklebyhouse.co.uk
>>>
>>> -----Original Message-----
>>> From: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] On Behalf Of Bob
>>> Cowdery
>>> Sent: 05 February 2017 10:46
>>> To: hpsdr at lists.openhpsdr.org list <hpsdr at lists.openhpsdr.org>
>>> Subject: [hpsdr] pihpsdr
>>>
>>> ***** High Performance Software Defined Radio Discussion List *****
>>>
>>> Hi all,
>>>
>>> Thanks John for a very nice piece of software. Just put it on one of
>>> my pi
>>> 3's running over RDP (latest production version). Listening to 40m as I
>>> write this.  I have a basic Metis system so obviously running the 'old'
>>> protocol. I do notice there is a rhythmic blip every 2-3 seconds
>>> which shows
>>> as evenly spaced horizontal bars on the waterfall and a rise in the
>>> noise
>>> floor on the spectrum. I don't get this with other software. Sounds
>>> like a
>>> buffer alignment problem or if this is just me then anyone any idea 
>>> what
>>> might cause it.
>>>
>>> 73's Bob G3UKB
>>>
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