[amsat-bb] IC-9700 & FoxTelem 1.08p

Sat Nov 2 15:17:28 UTC 2019

As always Thank You Chris for your time and expertise in quickly fixing 
this.

73
Kevin WA7FWF

On 11/2/2019 05:26, Chris Thompson via AMSAT-BB wrote:
> For anyone following this thread, the code is now fixed.  There were two
> issues that prevented good decodes from the IC-9700.
>
> 1/ The IF output of the IC-9700 is not a true IQ signal and you have both a
> lower and upper sideband image.  One has the bits flipped upside down.
> Historically FoxTelem has coped with the bits with either sense, even
> though only one is "correct", so 1.07 decoded fine from the wrong image.  I
> had introduced a bug that meant the "bit flip" check was not run.  That
> code is back in.
>
> 2/ There was also an issue where the algorithm that finds the signal was
> not being run if SatPC32 position was being read.  That was a common
> configuration for IC-9700 owners, so it compounded the problem.
>
> You can download the jar file and patch your installation from here:
> http://amsat.us/FoxTelem/test/FoxTelem.jar
>
> Or install the whole 1.08r release as normal from here:
> http://amsat.us/FoxTelem/windows/
> http://amsat.us/FoxTelem/linux/
> http://amsat.us/FoxTelem/mac/
>
> 73
> Chris
>
> On Thu, Oct 31, 2019 at 6:12 PM jeff griffin via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
>
>> I just reinstalled 1.08p and can now decode the WAV file Left, or Right,
>> Raised Cosine, or Windowed Sync. Decoded 23 23 23 23 packets. Now what's
>> odd is I couldn't get the WAV file to decode until I deleted 108y, and then
>> reinstalled it. Win10 build 1903.
>>
>>   tonight's passes will be interesting...
>>
>> 73 Jeff kb2m
>>
>> -----Original Message-----
>> From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Kevin via
>> AMSAT-BB
>> Sent: Thursday, October 31, 2019 2:17 PM
>> To: APBIDDLE at MAILAPS.ORG; 'AMSAT-BB'
>> Subject: Re: [amsat-bb] IC-9700 & FoxTelem 1.08p
>>
>> Alan,
>>     Just had 95, 91 and 92  go by and all 3 decoded and all 3 decoders
>> also worked although windowed sinc seems to be the best.
>> Whats interesting is 1.07Y will decode if you are on the left side or
>> the right side of the image but 1.08 only works if you are on the
>> "right" side,
>> I will leave that up to Chris to explain why that is.
>>     I can go in and tweak the frequency settings to make foxtelem always
>> look on the right side.
>>
>>    73
>> Kevin wa7fwf
>>
>> On 10/31/2019 10:30, Alan wrote:
>>> Kevin,
>>>
>>> My shack computer runs WIN7 64 bit sp1.  I installed a fresh copy of
>> 1.08p on my WIN10 64 bit computer, version 1903 build 18362.356.  I made no
>> changed to the FoxTelem defaults except to put in my callsign and other
>> information to keep it happy.
>>> First I ran the file through Raised Cosine using the defaults.  25
>> frames.  I deleted the log files, switched to Windows Sinc using my
>> standard 1440 length.  25 frames.
>>> No idea what I might be doing different.  Usually I am the one who has
>> the odd problem.
>>> 73,
>>>
>>> Alan
>>> WA4SCA
>>>
>>>
>>> <-----Original Message-----
>>> <From: Kevin [mailto:wa7fwf at gmail.com]
>>> <Sent: Thursday, October 31, 2019 10:09 AM
>>> <To: APBIDDLE at MAILAPS.ORG; Alan <wa4sca at gmail.com>; AMSAT-BB
>>> <<amsat-bb at amsat.org>
>>> <Subject: Re: [amsat-bb] IC-9700 & FoxTelem 1.08p
>>> <
>>> <Alan,
>>> <   Windows 10 pro  Version    10.0.17763 Build 17763
>>> <   Java jre1.8.0_221
>>> <
>>> <   wonder what other variables might be a factor?
>>> <
>>> <73
>>> <Kevin wa7fwf
>>> <
>>> <
>>> <
>>> <On 10/31/2019 03:33, Alan via AMSAT-BB wrote:
>>> <> Kevin,
>>> <>
>>> <> I just played your recording through 1.08p.  Recovered 25 frames,
>> which is
>>> <about what you expect.  More evidence there is another variable
>> involved.
>>> <>
>>> <> 73,
>>> <>
>>> <> Alan
>>> <> WA4SCA
>>> <>
>>> <>
>>> <> <-----Original Message-----
>>> <> <From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of
>>> <Kevin
>>> <> <via AMSAT-BB
>>> <> <Sent: Wednesday, October 30, 2019 22:45 PM
>>> <> <To: amsat-bb at amsat.org
>>> <> <Subject: Re: [amsat-bb] IC-9700 & foxtelem 1.08p
>>> <> <
>>> <> <Chris,
>>> <> <   The 9700 outputs a 12khz IF signal that is passed to the internal
>>> <> <codec and then out the USB port and windows treats it as a soundcard.
>>> <> <   I used audacity to create about a 2min file and then read it in on
>>> <> <1.07y to verify it is good.
>>> <> <   I uploaded it to dropbox and the link is
>>> <> <  https://www.dropbox.com/s/eh5bya72y8gfskt/fox1.wav?dl=0
>>> <> <
>>> <> <it was recorded at 48000 and has been saved as a wav
>>> <> <
>>> <> <Thanks
>>> <> <Kevin wa7fwf
>>> <> <
>>> <> <On 10/30/2019 13:59, Chris Thompson via AMSAT-BB wrote:
>>> <> <> I have tried to reproduce this, but I do not have a 9700 so it is
>> hard.  So
>>> <> <> far I can not work out what is wrong.
>>> <> <>
>>> <> <> Can someone describe the setup with the 9700?  How is the audio
>> read
>>> <into
>>> <> <> the computer and sent to FoxTelem?  Is FoxTelem reading it from a
>>> <sound
>>> <> <> card?  Or what looks like a sound card?
>>> <> <>
>>> <> <> Can someone use Audacity and record some audio for me to test with?
>>> <Try
>>> <> <to
>>> <> <> record it at the sample rate you use in FoxTelem.  e.g. if you set
>>> <FoxTelem
>>> <> <> to IQ and 48000 samples per second, then set Audacity to 48000 too.
>>> <> <>
>>> <> <> thanks
>>> <> <> Chris
>>> <> <>
>>> <> <> On Wed, Oct 30, 2019 at 1:23 PM jeff griffin via AMSAT-BB <
>>> <> <> amsat-bb at amsat.org> wrote:
>>> <> <>
>>> <> <>>    I'm going to wait for the fix for the 9700. In the meantime
>> I'm now
>>> <> <>> collecting telemetry with my FIAB with a eggbeater antenna setup
>> that
>>> <I'm
>>> <> <>> going to leave up here for the winter. I'm seeing a much better
>> decode
>>> <> <rate
>>> <> <>> with 1.08p over 1.07y, about 2 to 1. So I'm seeing 1.08 is
>> clearly better
>>> <> <>> then 1.07. Thanks Chris!
>>> <> <>>
>>> <> <>> 73 Jeff kb2m
>>> <> <>>
>>> <> <>> -----Original Message-----
>>> <> <>> From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of
>>> <> <Kevin via
>>> <> <>> AMSAT-BB
>>> <> <>> Sent: Wednesday, October 30, 2019 12:54 PM
>>> <> <>> To: amsat-bb at amsat.org
>>> <> <>> Subject: Re: [amsat-bb] IC-9700 & foxtelem 1.08p
>>> <> <>>
>>> <> <>> Hi Alan and everyone else that replied,
>>> <> <>>
>>> <> <>>     Windows Sinc also has zero decodes, tried all decoder modes.
>>> <> <>>
>>> <> <>> for now 1.07y  FTW
>>> <> <>>
>>> <> <>> Thanks
>>> <> <>> Kevin
>>> <> <>>
>>> <> <>>
>>> <> <>> On 10/29/2019 23:20, Alan wrote:
>>> <> <>>> I you are using the Raised Cosine decoder, try the Windows Sinc
>>> <instead.
>>> <> <>>>
>>> <> <>>> 73,
>>> <> <>>>
>>> <> <>>> Alan
>>> <> <>>>
>>> <> <>>> WA4SCA
>>> <> <>>>
>>> <> <>>> *From: *Kevin via AMSAT-BB <mailto:amsat-bb at amsat.org>
>>> <> <>>> *Sent: *Wednesday, October 30, 2019 12:21 AM
>>> <> <>>> *To: *amsat-bb at amsat.org <mailto:amsat-bb at amsat.org>
>>> <> <>>> *Subject: *[amsat-bb] IC-9700 & foxtelem 1.08p
>>> <> <>>>
>>> <> <>>> Hi All,
>>> <> <>>>
>>> <> <>>>    Any IC-9700 users out there that have switched to foxtelem
>> 1.08p
>>> <> <>>>
>>> <> <>>> using USB and IQ mode? I see a good eye but get zero decodes,
>>> <dropping
>>> <> <>>>
>>> <> <>>> back to 1.07y and it all starts working again.
>>> <> <>>>
>>> <> <>>> 73
>>> <> <>>>
>>> <> <>>> Kevin WA7FWF
>>> <> <>>>
>>> <> <>>> _______________________________________________
>>> <> <>>>
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>>> <> <>>> are solely those of the author, and do not reflect the official
>> views
>>> <> <>>> of AMSAT-NA.
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>>> <> <_______________________________________________
>>> <> <Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum
>>> <available
>>> <> <to all interested persons worldwide without requiring membership.
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>>> <> <expressed
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>>> <AMSAT-
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>>> <> _______________________________________________
>>> <> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum
>>> <available
>>> <> to all interested persons worldwide without requiring membership.
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>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership. Opinions
>> expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership. Opinions
>> expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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>