Re: [IRCA] I found some Aussie audio on 612 from this morning.

[Neil Kazaross <neilkaz58@xxxxxxxxx>]

The cx the past few days are the best Aussie cx I recall. Tim, you might
want a 2nd SDR so you can record both on your BOGs and the North DKAZ.  73
KAZ

On Thu, Sep 29, 2016 at 11:32 PM, Nick Hall-Patch <nhp@xxxxxxxx> wrote:

> I seem to recall this topic being batted around when phasing two antennas
> with SDR was being addressed?
>
> The AFEDRI Dual Channel SDR (AFE822x SDR-Net)  allows diversity reception
> (two SDRs set to the same center frequency and same bandwidth, coherently
> synchronized)  The company provides only hardware  (check
> http://afedri-sdr.com/index.php/ordering-information for details); they
> say that the software to do this includes HDSDR + SDR_Control (SDR-Control
> is provided by Afedri), PowerSDR_mrx and Linrad, with phasing addressed,
> though I have no personal experience with any of this.    Someday...
>
> The X2 option for RFSpace's NetSDR provides similar functionality, but
> doesn't seem to be widely available.   I believe Gnuradio supports it, if
> Linux is your cup of tea.  Simon Brown was at one time working towards
> providing support, including phasing, for the X2 in his SDR-Console, but he
> seems to have a lot on his plate. I've also seen a variant of CuteSDR that
> supports about 150kHz of bandwidth with the X2 with phasing control.
>
> best wishes,
>
> Nick
>
>
>
>
> At 15:32 29-09-16, Mark wrote:
>
>
> Somebody should come up with an SDR that allows stereo reception by having
>> two internal phased-locked receivers fed by two separate antennas.
>>
>> In this area, for instance, if using two bidirectional loops such as
>> ALA-1530's (one N-S, one E-W), you could record the band mid-evening with
>> the N-S loop on the "left" radio and the E-W on the "right" one.
>>
>> The replay would show the two received spectrum plots and, out of your
>> headphones, would be the audio on a given frequency with the appropriate
>> antenna feed contribution going to the appropriate ear.
>>
>> On 700 here for instance, the left (N-S) headphone would mostly be giving
>> you Colombia over Brazil and the right (E-W) headphone mostly WLW.
>>
>> Of course another thing that would be cool would be if the receiver could
>> phase Antenna A against Antenna B, eliminating the need for outboard boxes.
>>
>> Maybe such a receiver already exists?
>>
>> Mark Connelly, WA1ION
>> South Yarmouth, MA
>>
>> <<
>> Congrats on the Aussies, Kaz! Nothing nearly as good here on my unattended
>> recordings I made from 1045-1200 UTC this morning. Lots of high band DU
>> carriers in the usual places but nothing close to approaching audio from
>> my
>> D-KAZ aimed due north. Low band DU hets (and the rare audio) like your
>> 612, 702 & 738 always favor my southwest BOGs, and high band stuff is
>> always better on the north D-KAZ. I'm beginning to think two SDRs would be
>> nice for unattended recordings :-)
>>
>> 73,
>> Tim Tromp
>> West Michigan
>>
>>
>> On Wed, Sep 28, 2016 at 7:24 PM, Neil Kazaross <neilkaz58@xxxxxxxxx>
>> wrote:
>>
>> > Finally after 15 years of trying on 612, I can copy a woman
>> interviewing a
>> > man at 1148. both Aussie accented.
>> >
>> > In theory I'd expected 612 to be one of the easiest Aussies as they are
>> 50
>> > kW and close to the coast and closer to the US than some others, but
>> that
>> > hasn't been the case, although none are anything resembling easy.
>> >
>> > 73 KAZ Barrington IL Perseus and DKAZ aimed due west.
>> >>
>>
>>
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>
> Nick Hall-Patch
> Victoria, BC
> Canada
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