[hpsdr] Hpsdr Digest, Vol 110, Issue 16

Dean Probers vk5lb at yahoo.com.au
Wed Apr 15 16:41:52 PDT 2015


Wow, that is interesting.  I use 2009 HPSDR components and software and my responses are immediate, just like a conventional radio with minimal latency.  I suspect your PowerSDR version and firmware versions may not be optimal.  There are so many versions.

Sent from my iPad

> On 16 Apr 2015, at 6:38 am, hpsdr-request at lists.openhpsdr.org wrote:
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> Today's Topics:
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>   1. Re: SDR contesting (Barry N1EU)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 15 Apr 2015 05:54:22 -0400
> From: Barry N1EU <n1eu.barry at gmail.com>
> To: "hpsdr at openhpsdr.org" <hpsdr at openhpsdr.org>
> Subject: Re: [hpsdr] SDR contesting
> Message-ID:
>    <CALHj_b969Be0hoh2yNrH6i4cP=UCDFF-OgfOf_jwitdbe_ns2Q at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> I don't think anyone is saying you can't contest with the OpenHPSDR SDR
> radios.  Many of us are just saying that we choose not to based on our
> experience.  Listen to what happens at the beginning (0:08) of this video:
> https://www.youtube.com/watch?v=kb8OfiL3crE  - the dx comes back to my call
> but he appends "N9" before my callsign.  What clearly happened was an N9
> station (without the rx/tx latency) responded and then my stronger delayed
> signal finally arrived over his.  This happened several times during the
> contest.
> 
> I like more precise timing than is possible with the ANAN-100D when
> responding to the dx during a contest.  But there's no doubt the rig can be
> piloted to a very high result in a contest.  It's just a matter of
> preference and priorities.  Personally, I like the feel of a traditional
> front panel knobbed radio for contesting, besides the latency issue.
> 
> 73, Barry N1EU
> 
>> On Wed, Apr 8, 2015 at 11:00 AM, Keith Ennis <nelasat at yahoo.com> wrote:
>> 
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> 
>> 
>> Scott,
>> 
>> I feel I need to make a statement in response to your comment "I have
>> noticed, however, that 200mS seems to be *far* too much for contesting,
>> where everyone is speaking so fast one can barely get a word in edgewise.".
>> I have contested many times from my QTH here in Mexico.  I used a Elecraft
>> K3 for about 5 years.  Last year in the CQ WW DX phone contest I switched
>> to my ANAN-100D for this contest.  I have done nothing special other than
>> set the main sample rate to 96000 and buffer to 512.  The DSP is set at
>> sample rate RX 1024 TX 2048.  Heil headset plugged into the front panel.
>> Using N1MM Logger+ with VAC1 for DVK.  My results were:
>> 
>> 1st place in Mexico
>> 1st place is North America
>> 4th place in the World
>> 
>> I was entered in single operate assisted LP 10 meters.
>> Scores were:
>> 
>> 794,240 points
>> 2,284 QSO's
>> Total time on air: 25.1 hours
>> 
>> My hopes are some day everyone will stop stating you can not contest with
>> an SDR radio.  I frequency have rates of over 200 per hour.  The ANAN-100D
>> is a fine contesting radio. I have sold my "contest" Elecraft K3 and plan
>> to use my ANAN-100D for all my contesting.
>> 
>> 
>> 
>> Keith, KV5J, XE3/K5ENS
>> 
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> End of Hpsdr Digest, Vol 110, Issue 16
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