[hpsdr] Adding WWV Sync Capability To PowerSDR like KE9NS

[Bob Stricklin]

> On Oct 29, 2020, at 3:43 PM, hpsdr-request at lists.openhpsdr.org wrote:
> 
> John,

Thanks for posting the information about WWVB. I will be taking a look at this.

Bob N5BRG
> 
> Message: 1
> Date: Wed, 28 Oct 2020 17:44:53 -0700
> From: "John C. Westmoreland, P.E." <john at westmorelandengineering.com>
> Cc: HPSDR list <hpsdr at lists.openhpsdr.org>
> Subject: Re: [hpsdr] Adding WWV Sync Capability To PowerSDR like KE9NS
> Message-ID:
> 	<CAFtYB4yuygoP_G5O=bq3bpLH=u-x9Q1+ocCa7P7=xMdOjdR1mw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> Hello HPSDR'ers,
> 
> In case some of you would like to try this on the older rigs - I have a
> 'port'/clone here that is a WIP:
> 
> https://github.com/jwestmoreland/OpenHPSDR-PowerSDR-Spot-WIP
> 
> Even though this isn't an accurate decode - here's a pic of the first
> decode attempt of WWVB:
> 
> http://www.westmorelandengineering.com/OpenHPSDR/PowerSDR-Spot-WWV-WIP/FIRST-DECODE.jpg
> 
> As far as this is working under Thetis - how does the state
> of console.WWVReady ever get updated?  Just wondering.
> 
> This is still a WIP - I'm sure there are improvements to be made in not
> only some of the math but also some tuning techniques -
> but at least it's attempting to decode.
> 
> Feel free to clone what I've done and take a look.  I have also spoken
> briefly to KE9NS over e-mail.
> 
> 73's,
> John
> AJ6BC
> 
> 
> 
> 
> 
> 
> 
> 
> 
> On Sat, Oct 24, 2020 at 6:00 AM Scott Traurig <scott.traurig at gmail.com>
> wrote:
> 
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> John,
>> 
>> This feature already exists in Thetis. If you are on Hermes or post-Hermes
>> hardware you might consider migrating to Thetis, as it is almost certainly
>> the logical successor to PowerSDR mRX for most people. With Thetis now
>> supporting both Protocol 1 and Protocol 2, it is very likely that further
>> development of PowerSDR mRX will come to an end.
>> 
>> There are some "gotcha's": no support in Thetis for pre-Hermes hardware,
>> no support currently for Protocol 1 stitched receivers or IF sample rates
>> above 192KHz. Programming time would probably be better spent filling those
>> capability gaps.
>> 
>> Read more here: https://apache-labs.com/community/viewtopic.php?f=9&t=3557
>> 
>> 73,
>> 
>> Scott/w-u-2-o
>> 
>> On Sat, Oct 24, 2020 at 3:50 AM John C. Westmoreland, P.E. <
>> john at westmorelandengineering.com> wrote:
>> 
>>> 
>>> Hello All,
>>> 
>>> I was wondering if we can add what KE9NS has done here:
>>> 
>>> https://www.youtube.com/watch?v=p-5wKRw2xdY
>>> 
>>> to PowerSDR.  Looks like he added some Goertzel algorithm routines to help
>>> make this happen.
>>> 
>>> His source is here:
>>> https://bitbucket.org/ke9ns/powersdr-ke9ns/downloads/
>>> 
>>> Just wondering if anyone has tried to do this.
>>> 
>>> I've been able to get the multipsk clock tool to decode both WWVB and WWV
>>> on my HPSDR rig and default antenna which is pretty cool all things
>>> considered since I really didn't do much to help make that work other than
>>> turning off some RFI generators in the shack.
>>> 
>>> Maybe someone out there has done this - if so, please post a PR
>>> (pull-request) to:
>>> https://github.com/TAPR/OpenHPSDR-PowerSDR
>>> 
>>> I'll spend some time on this as I can to see if I can add if this hasn't
>>> been done by someone already.  It's a matter of merging what KE9NS has done
>>> - his page for build instructions is here:
>>> https://www.ke9ns.com/flexpage.html#gpl - search for "source code" on
>>> that page in case that doesn't land in the right spot.
>>> 
>>> 73's
>>> John
>>> AJ6BC
>>> 
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