[amsat-bb] JY1-sat dashboard

Mon Apr 15 09:28:33 UTC 2019

Hi Hasan,

Many thanks for your observations and for your support of the FUNcube 
missions.

I suggest you have a look at  our January update about Dashboards and 
other software. It shows a later version of the JY1 Dashboard was made 
available after the launch of JY1Sat and which should work better for you.

https://funcube.org.uk/2019/01/21/funcube-dashboard-summary-update/

73

Graham G3VZV

On 08/12/2018 16:46, Hasan al-Basri wrote:
> There is something not quite right with JY1 Dashboard software. If set
> exactly like Funcube -1 and NAYAF-1...it performs completely differently in
> terms of AutoTune. Even when on the wrong satellite, Both FC-1 and NAYAF-1
> achieve a lock to the incoming signal., while JY1 Dashboard hunts and
> hunts. It eventually gets there, but it takes many seconds to get a lock on
> the very same signal that lock up the other two softwares immediately.
>
> *All 3 programs are fed with the same audio source at the same time, on the
> same antenna. All 3 programs are on the same computer. Only the JY1 program
> is misbehaving.*
>
> JY1 Dashboard
> Ver: 1.0.1178.1
> Rev Date: 2018-11-28 21:30:22
>
> Something is clearly wrong with this software.
> Hasan
>
>
> On Sat, Dec 8, 2018 at 10:16 AM Hasan al-Basri <hbasri.schiers6 at gmail.com>
> wrote:
>
>> I noticed JY1SAT Dashboard is not decoding as easily as the others ...by
>> that I mean freq tracking. This morning I lost a bunch of frames because
>> the doppler is not tracking perfectly yet. Even though I was set to
>> autotune from 0 to 7500 Hz, as the sat freq leaked down (tones became
>> lower), I lost lock. When they leaked up, later in the pass, lock was not
>> lost.
>>
>> Neither NAYAF-1 nor, FC-1 Dashboards behave that way.
>>
>> BTW, the signals from JO-97 were a LOT stronger this morning. LOS was
>> about 5 seconds early.
>>
>> 73, N0AN
>> Hasan
>>
>>
>> On Fri, Dec 7, 2018 at 6:17 PM Kevin <wa7fwf at gmail.com> wrote:
>>
>>> Hi Hasan,
>>>      I first noticed this on my original lash up of
>>> airspy>sdr#>vbcable>dashboard and I was manually tuning and as doppler
>>> marched the signal through the passband  I learned that moving it back
>>> up too quickly would lose lock and seemed to have trouble re-locking, so
>>> I ignored this as being on my end and manual tuning.
>>>     I now have it running on a funcube dongle and still see it, I'm still
>>> getting a feel for the real downlink and doppler swings so my range may
>>> be set a little wide, I will try closing it in and see if that helps.
>>>
>>> Thanks
>>> Kevin
>>>
>>>
>>>
>>> On 12/7/2018 12:44 PM, Hasan al-Basri wrote:
>>>> Hi Kevin,
>>>> I did a TLM run with JY1SAT about 90 min ago and left the decoder
>>> running
>>>> (as I do with all my TLM programs)
>>>> AOS in about 9 minutes here, and assuming the TLM is on, I'll let you
>>> know
>>>> if JY1 Dashboard takes off or not.
>>>>
>>>> 17:19z , JY1SAT came right up, and it Dashboard is locked and decoding
>>>> fine. I have about 11 frames and am at 9 deg EL.
>>>>
>>>> Just for comparison purposes, I have my AutoTune range enabled, and set
>>> for
>>>> 0 and 3500
>>>> 73, N0AN
>>>>
>>>> Also, the signal has been considerably weaker and with a lot more QSB
>>> than
>>>> I see on either AO-73 or EO-88. I'm seeing a LOT of polarization fading
>>> as
>>>> I switch back and forth between a RHC Eggbeater and an X200 Colllnear.
>>> Even
>>>> at 40 deg EL, seeing polarization fading on the RHC EB.
>>>>
>>>> Also noted, doppler tracking is not as "perfect" as it i s on AO-73 and
>>>> EO-88. I assume this is due to some slight error in the TLE's
>>>>
>>>> I also just adjusted my tracking Auto-Tune high end to 6000, as it lost
>>>> some decodes with the high end set to 3500
>>>>
>>>> Hasan
>>>>
>>>>
>>>> On Fri, Dec 7, 2018 at 9:39 AM christy hunter <cchunter3 at mindspring.com
>>>>
>>>> wrote:
>>>>
>>>>> Kevin,
>>>>>
>>>>> Yes,  I was also running simultaneously the telem software latest
>>> version.
>>>>> 73 Christy KB6LTY
>>>>>
>>>>>
>>>>>
>>>>> *Kevin* wa7fwf at gmail.com
>>>>> <mailto:amsat-bb%40amsat.org
>>>>>
>>> ?Subject=Re%3A%20%5Bamsat-bb%5D%20JY1-sat%20dashboard&In-Reply-To=%3Ce3eb2ee8-a2ef-097a-c556-1ff77b689b2f%
>>>>> 40gmail.com%3E>
>>>>> /Fri Dec 7 07:41:06 UTC 2018/
>>>>>
>>>>>     * Previous message: [amsat-bb] Rocket Lab Launch for NASA ElaNa-19
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>>>>>
>>>>>
>>> ------------------------------------------------------------------------
>>>>> Hi All,
>>>>>        Is anyone else noticing any  issues with the JY1-sat dashboard? I
>>>>> can start it with the sat present and it will instantly lock and track,
>>>>> next pass it will ignore the signal, kill it and restart it and bam
>>>>> instant lock.
>>>>>
>>>>>      73 Kevin WA7FWF
>>>>>
>>>>>
>>> ------------------------------------------------------------------------
>>>>>
>>>>> ---
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> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
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> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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