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| From: | Stack Programer |
| Subject: | Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 169, Issue 16 |
| Date: | Thu, 15 Dec 2016 21:04:41 +0330 |
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Today's Topics:
1. Re: UHD 3.09 in Pybombs (Martin Braun)
2. Reminder: Dev Call Tomorrow Thu 15 Dec (Ben Hilburn)
3. Re: Reminder: Dev Call Tomorrow Thu 15 Dec (Ben Hilburn)
4. Re: Reminder: Dev Call Tomorrow Thu 15 Dec (Ben Hilburn)
5. Problems Changing USRP Sink Center Frequency During Runtime
(Sean Horton)
------------------------------------------------------------ ----------
Message: 1
Date: Wed, 14 Dec 2016 09:30:56 -0800
From: Martin Braun <address@hidden>
To: address@hidden
Subject: Re: [Discuss-gnuradio] UHD 3.09 in Pybombs
Message-ID: <f8e0a5f3-b6da-d55c-e157-address@hidden >
Content-Type: text/plain; charset=utf-8
Greg,
glad to hear it's working overall!
The PyBOMBS recipe in gr-recipes points to 'master' branch, which is
tentatively tagged as version 3.11. I'm curious why you'd get the LTS
version. Can you give any details on how you installed PyBOMBS and
gr-recipes?
Cheers,
Martin
On 12/13/2016 08:15 PM, Gregory Ratcliff wrote:
> Did a fresh Pybombs install today. Everything pybombs and gnuradio seems to be really working well lately. Great work guys.
>
> I noticed that the UHD recipes seem to be yanking from 3.09 rather than the August release of 3.10.
>
> Not complaining; It will give me a chance to modify a recipe.
>
> Is ?LTS? our criteria before Pybombs recipes point at the latest releases for core at OOT modules?
>
> This caused me to look into Pybombs for a way to control the recipe ?ersion; looks like you get the best. This has worked pretty well for me so far, but I recently flashed my N210 since macports used 3.10.
>
> Any plans to update core pybombs to 3.10?
>
> Greg
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
------------------------------
Message: 2
Date: Wed, 14 Dec 2016 12:37:38 -0500
From: Ben Hilburn <address@hidden>
To: GNURadio Discussion List <address@hidden>
Subject: [Discuss-gnuradio] Reminder: Dev Call Tomorrow Thu 15 Dec
Message-ID:
<CAJH_qMFF=XBbY5QVaBkqq7bjJRKZaddress@hidden >gmail.com
Content-Type: text/plain; charset="utf-8"
Hi all -
This is just a reminder that tomorrow is our monthly Dev Call! The Dev Call
takes place at 1700 UTC / 1300 Eastern / 1000 Pacific.
Information about how to join or watch the livestream is available here:
http://gnuradio.org/redmine/projects/gnuradio/wiki/ DevelopersCalls
Thanks, and as usual, please let us know if you have any questions!
Cheers,
Ben
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Message: 3
Date: Wed, 14 Dec 2016 13:26:07 -0500
From: Ben Hilburn <address@hidden>
To: GNURadio Discussion List <address@hidden>
Subject: Re: [Discuss-gnuradio] Reminder: Dev Call Tomorrow Thu 15 Dec
Message-ID:
<CAJH_qMHH1Eq6zwjcSa5xunvY9FnFrpJjtm dMZu3ZfCeYn=address@hidden com >
Content-Type: text/plain; charset="utf-8"
Right now it's UTC-7 =)
Cheers,
Ben
On Wed, Dec 14, 2016 at 12:37 PM, Ben Hilburn <address@hidden> wrote:
> Hi all -
>
> This is just a reminder that tomorrow is our monthly Dev Call! The Dev
> Call takes place at 1700 UTC / 1300 Eastern / 1000 Pacific.
>
> Information about how to join or watch the livestream is available here:
> http://gnuradio.org/redmine/projects/gnuradio/wiki/ DevelopersCalls
>
> Thanks, and as usual, please let us know if you have any questions!
>
> Cheers,
> Ben
>
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Message: 4
Date: Wed, 14 Dec 2016 14:46:24 -0500
From: Ben Hilburn <address@hidden>
To: GNURadio Discussion List <address@hidden>
Subject: Re: [Discuss-gnuradio] Reminder: Dev Call Tomorrow Thu 15 Dec
Message-ID:
<CAJH_qMHvGPz9iFtLZVvyOrqH90afAcLsDe >address@hidden com
Content-Type: text/plain; charset="utf-8"
Minor correction: should have read 1800 UTC.
Cheers,
Ben
On Wed, Dec 14, 2016 at 12:37 PM, Ben Hilburn <address@hidden> wrote:
> Hi all -
>
> This is just a reminder that tomorrow is our monthly Dev Call! The Dev
> Call takes place at 1700 UTC / 1300 Eastern / 1000 Pacific.
>
> Information about how to join or watch the livestream is available here:
> http://gnuradio.org/redmine/projects/gnuradio/wiki/ DevelopersCalls
>
> Thanks, and as usual, please let us know if you have any questions!
>
> Cheers,
> Ben
>
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Message: 5
Date: Thu, 15 Dec 2016 08:42:02 -0800
From: Sean Horton <address@hidden>
To: address@hidden
Subject: [Discuss-gnuradio] Problems Changing USRP Sink Center
Frequency During Runtime
Message-ID:
<CAGN87Oi=LC7pzxU5CZZ4NsT4ERYGaddress@hidden >gmail.com
Content-Type: text/plain; charset="utf-8"
After about a week of debugging why I was having trouble receiving multiple
AX25 packets when sent together, I've discovered the issue seems to be that
if the initial center frequency of the usrp sink is not the frequency that
it is changed to after it starts running, then the problem surfaces.
Tweaking parameters in other blocks, like quad demod and clock recovery mm
have had almost no impact.
The code is supposed to allow the center frequency (and other parameters)
to be changed while running, which is why just setting the center frequency
to the frequency I'm using for testing is not the best way to solve this.
What sending multiple ax25 packets look like. There's a single 0x7E between
each ax25 packet, which is allowed by the specifications. Also, an icom
radio works just fine, and it's in a different room.
<~100 bytes of preamble> <AX25> <AX25> <AX25> <AX25> <postamble>
Also, if the radio is sending one ax25 packet at a time, even when the
starting center frequency is 100 MHz+ away from where the radio is
transmitting at.
--
Sean Horton
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