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CX2SA > SATDIG 02.03.20 00:25l 822 Lines 28477 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. Re: FoxTelem with RTL-SDR (Hasan al-Basri)
2. Re: huskysat-1 (Kevin)
3. Re: huskysat-1 (JoAnne K9JKM)
4. Re: huskysat-1 (EDWARD KROME)
5. Re: huskysat-1 (Burns Fisher)
6. Re: FoxTelem with RTL-SDR (EDWARD KROME)
7. Re: FoxTelem with RTL-SDR (Greg D)
8. icom 7000 help (Nick Pugh)
9. Re: FoxTelem with RTL-SDR (EDWARD KROME)
10. Re: Just curious XW series (Zach Metzinger)
11. Re: FoxTelem with RTL-SDR (Greg D)
----------------------------------------------------------------------
Message: 1
Date: Sat, 8 Feb 2020 18:05:56 -0600
From: Hasan al-Basri <hbasri.schiers6@?????.???>
To: Roy Dean <royldean@?????.???>
Cc: AMSAT-BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxTelem with RTL-SDR
Message-ID:
<CAM4UQf23bu+sBn-24fDUJTDcEHQ=Kok-MKWXaRO0xgkn=8zRiw@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
I run all 4 TLM programs and Wx2I (NOAA software) all at the same time
24x7, no issues with SDRC and VBCable.
73, N0AN
Hasan
On Sat, Feb 8, 2020 at 3:28 PM Roy Dean via AMSAT-BB <amsat-bb@?????.???>
wrote:
> >
> > What am I missing? Thanks, Greg KO6TH
>
>
> Greg - I've had zero luck using the rtl-sdr dongle directly with FoxTelem.
> I can get it to connect, at least - but it decodes almost nothing (it has
> to be a super powerful signal to get anything). However, if I use the same
> dongle, with GQRX audio piped into FoxTelem via pulse audio, then it works
> wonderfully. Not sure why the difference is.
>
> I will say that running the GQRX and FoxTelem guis at the same time is a
> major processor drain. Usually FoxTelem will give up the ghost a few
> seconds in. If I switch off of the input tab into one of the spacecraft
> tabs, the processor usage drops dramatically and then I continue on. But
> this is on a 10 year old laptop so who knows.
>
> --Roy
> K3RLD
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 2
Date: Sat, 8 Feb 2020 16:10:35 -0800
From: Kevin <wa7fwf@?????.???>
To: Burns Fisher <wb1fj-bb@??????.??>
Cc: "amsat-bb@?????.???? <amsat-bb@?????.???>
Subject: Re: [amsat-bb] huskysat-1
Message-ID: <9155c8a9-be11-f525-c7e1-ccfd532150ca@?????.???>
Content-Type: text/plain; charset=utf-8; format=flowed
Yes decoding and there is a gap in the decoding when this happens, I see
dac overflows increasing but do not see resets in the telem but I could
be missing something.
?it's long enough that it is clearly visible on a sdr display, like I
said its about a sec or two in length.
?WA7EE sent me a mov? that captured what the sat is doing, here is a
dropbox link for viewing
Thanks to Mariana for capturing it.
https://www.dropbox.com/s/ej22tqai04be4oe/huskysat.MOV?dl=0
Kevin wa7fwf
On 2/8/2020 15:48, Burns Fisher wrote:
> Thanks for reporting this, Kevin.? I have not noticed it.? Are you
> able to decode signals from HuskySat with FoxTelem?? If so, I wonder
> where this happens.? Do you miss a frame (if you are getting every
> frame, they should be about every 5 seconds).? Are you mainly noticing
> it by audio (in which case it might be a bunch of zeros in a row).?
> There is one point where I send 1/0/1/0/1/0 which would explain this,
> but that should only happen when it shifts modes, and I don;t think
> that has happened.
>
> Any more info would be useful and interesting.
>
> Burns WB1FJ
> Fox/Husky Software
>
> On Sat, Feb 8, 2020 at 3:20 PM Kevin via AMSAT-BB <amsat-bb@?????.???
> <mailto:amsat-bb@?????.???>> wrote:
>
> Noticed today that huskysat stops sending data and sends only a
> carrier
> for about a second then starts back up, saw it do that 4 times
> last pass.
> DAC overflows?
>
> 73 Kevin wa7fwf
> _______________________________________________
> Sent via AMSAT-BB@?????.??? <mailto:AMSAT-BB@?????.???>. 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!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 3
Date: Sat, 8 Feb 2020 19:20:05 -0600
From: JoAnne K9JKM <k9jkm@???????.???>
To: amsat-bb@?????.???
Subject: Re: [amsat-bb] huskysat-1
Message-ID: <5E3F5E45.7040405@???????.???>
Content-Type: text/plain; charset=windows-1252; format=flowed
> Noticed today that huskysat stops sending data and sends only a
> carrier for about a second then starts back up
Observed the same during the pass at 0113Z. I wasn't capturing any
telemetry at that point since I was manually tuning in and it hadn't
locked. It sounds like a high pitch tone such as how an AM carrier
sounds on a sideband receiver. About 1 second duration and then back to
the data stream.
--
73 de JoAnne K9JKM
k9jkm@?????.???
------------------------------
Message: 4
Date: Sat, 8 Feb 2020 21:27:13 -0500 (EST)
From: EDWARD KROME <e.krome@???????.???>
To: Bob <WB4SON@?????.???>, Bob via AMSAT-BB <amsat-bb@?????.???>,
Burns Fisher <wb1fj-bb@??????.??>
Subject: Re: [amsat-bb] huskysat-1
Message-ID: <865601343.403802.1581215233484@???????.???????.???>
Content-Type: text/plain; charset=UTF-8
I have seen the phenomenon as described by Bob on every pass I have actually
watched. (most download unattended)
Ed K9EK
EL98av
> On February 8, 2020 at 7:04 PM Bob via AMSAT-BB <amsat-bb@?????.???> wrote:
>
>
> I?ve heard what Kevin reported. It?s very distinctive. I will pay
> attention next time but if you asked I would say that the decoder loses
> sync and misses the next frame or two
>
> B
>
> On Sat, Feb 8, 2020 at 6:51 PM Burns Fisher via AMSAT-BB
<amsat-bb@?????.???>
> wrote:
>
> > Thanks for reporting this, Kevin. I have not noticed it. Are you able to
> > decode signals from HuskySat with FoxTelem? If so, I wonder where this
> > happens. Do you miss a frame (if you are getting every frame, they should
> > be about every 5 seconds). Are you mainly noticing it by audio (in which
> > case it might be a bunch of zeros in a row). There is one point where I
> > send 1/0/1/0/1/0 which would explain this, but that should only happen
when
> > it shifts modes, and I don;t think that has happened.
> >
> > Any more info would be useful and interesting.
> >
> > Burns WB1FJ
> > Fox/Husky Software
> >
> > On Sat, Feb 8, 2020 at 3:20 PM Kevin via AMSAT-BB <amsat-bb@?????.???>
> > wrote:
> >
> > > Noticed today that huskysat stops sending data and sends only a carrier
> > > for about a second then starts back up, saw it do that 4 times last
pass.
> > > DAC overflows?
> > >
> > > 73 Kevin wa7fwf
> > > _______________________________________________
> > > Sent via AMSAT-BB@?????.???. 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!
> > > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
> > >
> > _______________________________________________
> > Sent via AMSAT-BB@?????.???. 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!
> > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
> >
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 5
Date: Sat, 8 Feb 2020 21:38:03 -0500
From: Burns Fisher <wb1fj-bb@??????.??>
To: EDWARD KROME <e.krome@???????.???>
Cc: Bob via AMSAT-BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] huskysat-1
Message-ID:
<CABX7KxUG8RCK_GdMzgdCDxPzGxtkQ=WYHCForW1bfSyCuDMrNA@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Ok, I think we get what is happening. This is showing it switching modes.
Chances are UW changed its mode to get more science data when it went over
them. That timed out while you were listening and when it switches mode,
the buffers are cleared out and we start with a little sync bit pattern.
What is curious is that the mode shows a change in the Whole Orbit Data,
but it is not being displayed in the realtime data.
Thanks to everyone for bringing this up!
73,
Burns WB1FJ
On Sat, Feb 8, 2020 at 9:27 PM EDWARD KROME <e.krome@???????.???> wrote:
> I have seen the phenomenon as described by Bob on every pass I have
> actually watched. (most download unattended)
>
> Ed K9EK
> EL98av
>
> > On February 8, 2020 at 7:04 PM Bob via AMSAT-BB <amsat-bb@?????.???>
> wrote:
> >
> >
> > I?ve heard what Kevin reported. It?s very distinctive. I will pay
> > attention next time but if you asked I would say that the decoder loses
> > sync and misses the next frame or two
> >
> > B
> >
> > On Sat, Feb 8, 2020 at 6:51 PM Burns Fisher via AMSAT-BB <
> amsat-bb@?????.???>
> > wrote:
> >
> > > Thanks for reporting this, Kevin. I have not noticed it. Are you
> able to
> > > decode signals from HuskySat with FoxTelem? If so, I wonder where this
> > > happens. Do you miss a frame (if you are getting every frame, they
> should
> > > be about every 5 seconds). Are you mainly noticing it by audio (in
> which
> > > case it might be a bunch of zeros in a row). There is one point where
> I
> > > send 1/0/1/0/1/0 which would explain this, but that should only happen
> when
> > > it shifts modes, and I don;t think that has happened.
> > >
> > > Any more info would be useful and interesting.
> > >
> > > Burns WB1FJ
> > > Fox/Husky Software
> > >
> > > On Sat, Feb 8, 2020 at 3:20 PM Kevin via AMSAT-BB <amsat-bb@?????.???>
> > > wrote:
> > >
> > > > Noticed today that huskysat stops sending data and sends only a
> carrier
> > > > for about a second then starts back up, saw it do that 4 times last
> pass.
> > > > DAC overflows?
> > > >
> > > > 73 Kevin wa7fwf
> > > > _______________________________________________
> > > > Sent via AMSAT-BB@?????.???. 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!
> > > > Subscription settings:
> https://www.amsat.org/mailman/listinfo/amsat-bb
> > > >
> > > _______________________________________________
> > > Sent via AMSAT-BB@?????.???. 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!
> > > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
> > >
> > _______________________________________________
> > Sent via AMSAT-BB@?????.???. 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!
> > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 6
Date: Sat, 8 Feb 2020 21:41:02 -0500 (EST)
From: EDWARD KROME <e.krome@???????.???>
To: Greg D <ko6th.greg@?????.???>, Greg D via AMSAT-BB
<amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxTelem with RTL-SDR
Message-ID: <1442160770.403860.1581216062524@???????.???????.???>
Content-Type: text/plain; charset=UTF-8
Strangely, I have had zero success on HuskySat with Foxtelem
1.08w/RP4B/RTLSDR/tracked yagi. I could see signal on FT, but no frames
counted. Nothing helped. But the same arrangement (with HB lindenblad omni)
works just fine on all the 2M sats. (well, I only get about 60% as many
frames on the RTLSDR as I do on a similar setup (same omni antenna, split)
with FCDP+/RP3B+.) But HuskySat works properly with
SDRPlay/HDSDR/win10/1.08y/tracked yagi/tracking & doppler SatPC32. No idea
why.
Ed K9EK
EL98av
> On February 8, 2020 at 3:12 PM Greg D via AMSAT-BB <amsat-bb@?????.???>
wrote:
>
>
> Hi folks,
>
> Acknowledged that this is "not supported", but others appear to have had
> some success using an RTL-SDR dongle under FoxTelem. With the launch of
> Huskysat-1, I though I'd give it a try. I'm missing something, but
> can't find any suggestions.
>
> I have a Raspberry Pi 2B that I've been using as an RTL-SDR server,
> connecting Gqrx to it over the home network. rtl_tcp is running there,
> all just fine.
>
> Tried firing up the latest FoxTelem, choosing RTL SDR as the source, but
> the program says it can't find the dongle. "Insert the device or choose
> an other source" when I hit Start. Shut down rtl_tcp, of course, so as
> to not have a fight over access. Tried removing and inserting the
> dongle. Still no joy.
>
> I expect I'm missing some morsel of driver software or configuration to
> connect FoxTelem to the RTL-SDR dongle, perhaps something similar to
> rtl_tcp.
>
> What am I missing?
>
> Thanks,
>
> Greg KO6TH
>
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 7
Date: Sat, 8 Feb 2020 19:43:41 -0800
From: Greg D <ko6th.greg@?????.???>
To: EDWARD KROME <e.krome@???????.???>
Cc: AMSAT-BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxTelem with RTL-SDR
Message-ID: <5e1a573c-7a04-fd5a-7a32-191bd67e44c3@?????.???>
Content-Type: text/plain; charset=UTF-8
Thanks, Ed. What did you do by way of configuration of either FoxTelem
or the RPi to get the Fox software to see the RTL dongle?
I'm not getting to the point where it even starts the decoder; it
insists that the rtl-sdr dongle is not inserted. I've tried this on
both a Pi2B and a 3B. Same results.
As to the decode problem, the same dongle / pi setup works just fine
being the remote (tcp-ip) source for Gqrx, including its AFSK decoder,
so I think it might work for FoxTelem, if only the application would see
the dongle.
Do I need to run FoxTelem as root or something like that?
Greg KO6TH
EDWARD KROME wrote:
> Strangely, I have had zero success on HuskySat with Foxtelem
1.08w/RP4B/RTLSDR/tracked yagi. I could see signal on FT, but no frames
counted. Nothing helped. But the same arrangement (with HB lindenblad omni)
works just fine on all the 2M sats. (well, I only get about 60% as many
frames on the RTLSDR as I do on a similar setup (same omni antenna, split)
with FCDP+/RP3B+.) But HuskySat works properly with
SDRPlay/HDSDR/win10/1.08y/tracked yagi/tracking & doppler SatPC32. No idea
why.
>
> Ed K9EK
> EL98av
>
>
>> On February 8, 2020 at 3:12 PM Greg D via AMSAT-BB <amsat-bb@?????.???>
wrote:
>>
>>
>> Hi folks,
>>
>> Acknowledged that this is "not supported", but others appear to have had
>> some success using an RTL-SDR dongle under FoxTelem. With the launch of
>> Huskysat-1, I though I'd give it a try. I'm missing something, but
>> can't find any suggestions.
>>
>> I have a Raspberry Pi 2B that I've been using as an RTL-SDR server,
>> connecting Gqrx to it over the home network. rtl_tcp is running there,
>> all just fine.
>>
>> Tried firing up the latest FoxTelem, choosing RTL SDR as the source, but
>> the program says it can't find the dongle. "Insert the device or choose
>> an other source" when I hit Start. Shut down rtl_tcp, of course, so as
>> to not have a fight over access. Tried removing and inserting the
>> dongle. Still no joy.
>>
>> I expect I'm missing some morsel of driver software or configuration to
>> connect FoxTelem to the RTL-SDR dongle, perhaps something similar to
>> rtl_tcp.
>>
>> What am I missing?
>>
>> Thanks,
>>
>> Greg KO6TH
>>
>> _______________________________________________
>> Sent via AMSAT-BB@?????.???. 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!
>> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 8
Date: Sun, 9 Feb 2020 06:22:58 -0600
From: "Nick Pugh" <quadpugh@?????????.???>
To: "'AMSAT BB'" <amsat-bb@?????.???>
Subject: [amsat-bb] icom 7000 help
Message-ID: <000401d5df43$aaa439f0$ffecadd0$@?????????.???>
Content-Type: text/plain; charset="us-ascii"
I have an Icom 7000 and using the data jack pin 1 to supply audio to the
radio. I use the c-I 17 to key the radio. I am unable to get mixw to mod the
radio. What to I get mixw to pass audio??
Nick k5qxj
nick
Cell 337 258 2527
Helping UL become a world Class Engineering and Educational School
Disagree I Learn
------------------------------
Message: 9
Date: Sun, 9 Feb 2020 08:37:56 -0500 (EST)
From: EDWARD KROME <e.krome@???????.???>
To: Greg D <ko6th.greg@?????.???>
Cc: AMSAT-BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxTelem with RTL-SDR
Message-ID: <1881523673.411128.1581255476730@???????.???????.???>
Content-Type: text/plain; charset=UTF-8
uhh.. here is probably the worst possible answer.. I plugged it in and it
worked. Chris told me it was experimental, but it worked on 2 different
RTL's, RP3B+, RP4B. All defaults. IQ. Raised cosine. 145935. automatic gain.
200 cutoff, 512 samples. I know nothing about Linux. (I'd rather be lucky
than good any day.) Wish I could be of more assistance.
Ed K9EK
> On February 8, 2020 at 10:43 PM Greg D <ko6th.greg@?????.???> wrote:
>
>
> Thanks, Ed. What did you do by way of configuration of either FoxTelem
> or the RPi to get the Fox software to see the RTL dongle?
>
> I'm not getting to the point where it even starts the decoder; it
> insists that the rtl-sdr dongle is not inserted. I've tried this on
> both a Pi2B and a 3B. Same results.
>
> As to the decode problem, the same dongle / pi setup works just fine
> being the remote (tcp-ip) source for Gqrx, including its AFSK decoder,
> so I think it might work for FoxTelem, if only the application would see
> the dongle.
>
> Do I need to run FoxTelem as root or something like that?
>
> Greg KO6TH
>
>
> EDWARD KROME wrote:
> > Strangely, I have had zero success on HuskySat with Foxtelem
1.08w/RP4B/RTLSDR/tracked yagi. I could see signal on FT, but no frames
counted. Nothing helped. But the same arrangement (with HB lindenblad omni)
works just fine on all the 2M sats. (well, I only get about 60% as many
frames on the RTLSDR as I do on a similar setup (same omni antenna, split)
with FCDP+/RP3B+.) But HuskySat works properly with
SDRPlay/HDSDR/win10/1.08y/tracked yagi/tracking & doppler SatPC32. No idea
why.
> >
> > Ed K9EK
> > EL98av
> >
> >
> >> On February 8, 2020 at 3:12 PM Greg D via AMSAT-BB <amsat-bb@?????.???>
wrote:
> >>
> >>
> >> Hi folks,
> >>
> >> Acknowledged that this is "not supported", but others appear to have had
> >> some success using an RTL-SDR dongle under FoxTelem. With the launch of
> >> Huskysat-1, I though I'd give it a try. I'm missing something, but
> >> can't find any suggestions.
> >>
> >> I have a Raspberry Pi 2B that I've been using as an RTL-SDR server,
> >> connecting Gqrx to it over the home network. rtl_tcp is running there,
> >> all just fine.
> >>
> >> Tried firing up the latest FoxTelem, choosing RTL SDR as the source, but
> >> the program says it can't find the dongle. "Insert the device or choose
> >> an other source" when I hit Start. Shut down rtl_tcp, of course, so as
> >> to not have a fight over access. Tried removing and inserting the
> >> dongle. Still no joy.
> >>
> >> I expect I'm missing some morsel of driver software or configuration to
> >> connect FoxTelem to the RTL-SDR dongle, perhaps something similar to
> >> rtl_tcp.
> >>
> >> What am I missing?
> >>
> >> Thanks,
> >>
> >> Greg KO6TH
> >>
> >> _______________________________________________
> >> Sent via AMSAT-BB@?????.???. 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!
> >> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 10
Date: Sun, 9 Feb 2020 11:47:16 -0600
From: Zach Metzinger <zmetzing@?????.???>
To: AMSAT-BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] Just curious XW series
Message-ID: <6da85fb6-1219-5020-61b6-83d986423c4e@?????.???>
Content-Type: text/plain; charset=utf-8; format=flowed
On 2020-01-28 18:29, RG via AMSAT-BB wrote:
> I have had trouble hearing XW satellites lately.I have a Kenwood ts 2000
and for some reason don't hearing much if anything.I used to hear the beacon
pretty loud at least for a few moments and most of the pass okay but not as
much.I was wondering if other Op's. are having the same problem.Maybe I need
to set up? my 706 as a receive radio,It worked good.I dont have any problems
with the Kenwood working other modes.It would be nice to use one radio.I
run? a vertical and realize it's not the best set up but again I haven't had
this problem in the past.Just looking for some opinions.Thanks a
lot73RichKB1FGC
> marzo7088@?????.???
Hello RG,
Having just gotten a 2m antenna set up, which has been sitting in the
shed for years, I did hear XW-2E today.
The CW beacon was doing odd things, like stopping mid-key and then
returning to transmit with an upward-sweeping constant tone before
resuming the CW beacon.
It might be that they're hitting some sort of low-voltage reset
condition and coming back online when the load is briefly removed.
All of this was heard with a 2m copper-pipe J-pole at perhaps 15 feet in
the attic, attached to ~40 feet of RG-8X. The beacon was easily copyable
from 1-2 degrees to 22 degrees (highest elevation for the pass). A small
J310 preamp awaits installation on another day.
Ideally, you'll want some sort of directional-gain antenna for receive.
Ken Britain has a simple DIY antenna that can be assembled on the cheap:
https://www.wa5vjb.com/references/Cheap%20Antennas-LEOs.pdf
--- Zach
N0ZGO
------------------------------
Message: 11
Date: Sun, 9 Feb 2020 09:52:23 -0800
From: Greg D <ko6th.greg@?????.???>
To: EDWARD KROME <e.krome@???????.???>
Cc: AMSAT-BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxTelem with RTL-SDR
Message-ID: <cb1ede12-85c3-16c4-6056-6aa3b9cbea6b@?????.???>
Content-Type: text/plain; charset=UTF-8
Hi Ed,
Well, at least that gives me hope... What distros did you have running
on the various Pies? (*) I had Jessie on the Pi2B, and Stretch on the
3B. The dongle I have is listed by dmesg as a "Realtek RTL2832U
reference design".
Greg KO6TH
(*) Ok, so what is the plural of a Pi?
EDWARD KROME wrote:
> uhh.. here is probably the worst possible answer.. I plugged it in and it
worked. Chris told me it was experimental, but it worked on 2 different
RTL's, RP3B+, RP4B. All defaults. IQ. Raised cosine. 145935. automatic gain.
200 cutoff, 512 samples. I know nothing about Linux. (I'd rather be lucky
than good any day.) Wish I could be of more assistance.
>
> Ed K9EK
>
>> On February 8, 2020 at 10:43 PM Greg D <ko6th.greg@?????.???> wrote:
>>
>>
>> Thanks, Ed. What did you do by way of configuration of either FoxTelem
>> or the RPi to get the Fox software to see the RTL dongle?
>>
>> I'm not getting to the point where it even starts the decoder; it
>> insists that the rtl-sdr dongle is not inserted. I've tried this on
>> both a Pi2B and a 3B. Same results.
>>
>> As to the decode problem, the same dongle / pi setup works just fine
>> being the remote (tcp-ip) source for Gqrx, including its AFSK decoder,
>> so I think it might work for FoxTelem, if only the application would see
>> the dongle.
>>
>> Do I need to run FoxTelem as root or something like that?
>>
>> Greg KO6TH
>>
>>
>> EDWARD KROME wrote:
>>> Strangely, I have had zero success on HuskySat with Foxtelem
1.08w/RP4B/RTLSDR/tracked yagi. I could see signal on FT, but no frames
counted. Nothing helped. But the same arrangement (with HB lindenblad omni)
works just fine on all the 2M sats. (well, I only get about 60% as many
frames on the RTLSDR as I do on a similar setup (same omni antenna, split)
with FCDP+/RP3B+.) But HuskySat works properly with
SDRPlay/HDSDR/win10/1.08y/tracked yagi/tracking & doppler SatPC32. No idea
why.
>>>
>>> Ed K9EK
>>> EL98av
>>>
>>>
>>>> On February 8, 2020 at 3:12 PM Greg D via AMSAT-BB <amsat-bb@?????.???>
wrote:
>>>>
>>>>
>>>> Hi folks,
>>>>
>>>> Acknowledged that this is "not supported", but others appear to have had
>>>> some success using an RTL-SDR dongle under FoxTelem. With the launch of
>>>> Huskysat-1, I though I'd give it a try. I'm missing something, but
>>>> can't find any suggestions.
>>>>
>>>> I have a Raspberry Pi 2B that I've been using as an RTL-SDR server,
>>>> connecting Gqrx to it over the home network. rtl_tcp is running there,
>>>> all just fine.
>>>>
>>>> Tried firing up the latest FoxTelem, choosing RTL SDR as the source, but
>>>> the program says it can't find the dongle. "Insert the device or choose
>>>> an other source" when I hit Start. Shut down rtl_tcp, of course, so as
>>>> to not have a fight over access. Tried removing and inserting the
>>>> dongle. Still no joy.
>>>>
>>>> I expect I'm missing some morsel of driver software or configuration to
>>>> connect FoxTelem to the RTL-SDR dongle, perhaps something similar to
>>>> rtl_tcp.
>>>>
>>>> What am I missing?
>>>>
>>>> Thanks,
>>>>
>>>> Greg KO6TH
>>>>
>>>> _______________________________________________
>>>> Sent via AMSAT-BB@?????.???. 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!
>>>> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Subject: Digest Footer
_______________________________________________
Sent via amsat-bb@?????.???.
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 member? Join now to support the amateur satellite program!
https://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
End of AMSAT-BB Digest, Vol 15, Issue 37
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