[hpsdr] linhpsdr with Atlas based boards

Ramakrishnan Muthukrishnan ram at rkrishnan.org
Mon Jul 13 07:03:13 PDT 2020


Thanks Justin and Chris.

I am in touch with John. It looks like some recently added code broke CW 
support for the HPSDR hardware. John is working on a fix for it.

73
Ram VU3RDD
On 13/07/2020 14:30, Chris Smith wrote:
> Hi Justin & Ram
> 
> I have a similar setup using LinHPSDR. I don’t have any great problems and certainly haven’t seen Tx being off frequency. I have had reports of audio ‘artefacts’ on Tx though which could be RF getting into the mic input but haven’t investigated this yet.
> 
> Can't help with regards CW as I don’t use that mode except that I have done ‘key down’ tests into a dummy load to check my PA without any problem.
> 
> If you’re having problems with LinHPSDR I suggest you contact John Melton via email. He has always been very helpful to me.
> 
> Cheers & 73
> 
> Chris G4NUX
> 
>> On 12 Jul 2020, at 23:36, Justin Giles-Clark <justingc at ozemail.com.au> wrote:
>>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hello Ram,
>>
>> 	I have one system using that configuration & LinHPSDR. I too only use it for Rx only as the Tx was not consistently on frequency and Alex switching hasn't been implemented yet. I use it with WSJT-X WSPR on 630m.
>>
>> I have another system with the same configuration that I use with the PiHPSDR and it work perfectly.
>>
>> 73, Justin, VK7TW
>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Sun, 12 Jul 2020 19:42:30 +0530
>>> From: Ramakrishnan Muthukrishnan <ram at rkrishnan.org>
>>> To: HPSDR <hpsdr at openhpsdr.org>
>>> Subject: [hpsdr] linhpsdr with Atlas based boards
>>> Message-ID: <c0a36a57-f5c3-e16e-1990-da3d4a8d1183 at rkrishnan.org>
>>> Content-Type: text/plain; charset=utf-8; format=flowed
>>>
>>> Anyone here using Atlas/Metis/Merc/Penny/PA/Alex boards with "linhpsdr"?
>>>
>>> I am able to receive just fine, but I can't seem to transmit with CW. I
>>> am wondering if that is supported at all with the above hardware in
>>> linhpsdr.
>>>
>>> 73
>>> Ram VU3RDD
>>>
>>>
>>> ------------------------------
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> 
> Chris Smith
> chris at wealdencottage.co.uk
> 
> 
> 


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