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CX2SA > SATDIG 15.10.13 21:03l 690 Lines 21733 Bytes #999 (0) @ WW
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To : SATDIG@WW
Today's Topics:
1. Re: Theoretical Question (Howie DeFelice)
2. Re: [wsjtgroup] Help with using a SignaLink with WSJT (Ted)
3. Re: [wsjtgroup] Help with using a SignaLink with WSJT (Dave W?DHB)
4. HamTV on the ISS Yahoo Group (Stefan Wagener)
5. UT1FG heard FO-29 (Andrew Glasbrenner)
6. CUSat and Falcon 9 R/B (2nd Stage) Los Angeles Sunday Evening
Pass (Bryce Salmi)
7. Re: Need help dismantling KR-500 (Richard Limebear)
8. Skybox Imaging ready for SkySat launch (M5AKA)
9. Re: Need help dismantling KR-500 (i8cvs)
10. Re: Need help dismantling KR-500 (i8cvs)
11. Re: [Part-L] CUSat and Falcon 9 R/B (2nd Stage) Los Angeles
Sunday Evening Pass (Bryce Salmi)
----------------------------------------------------------------------
Message: 1
Date: Mon, 14 Oct 2013 16:15:36 -0400
From: Howie DeFelice <howied231@xxxxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: Theoretical Question
Message-ID: <BLU169-W73036B15E00912E56E4328E71A0@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Most commercial uplinks/downlinks are some form of synchronous data using
some form of PSK modulation (BPSK , QPSK, 8PSK etc.) . The approximate data
clock rate is known by the receiver. The receiver extracts clock information
from the transmitted data stream to synchronize the receivers local clock
using a form of phase lock loop. As long as the PLL can acquire and track
the downlink clock information, the signal will stay locked and track the
doppler change.
- Howie AB2S
------------------------------
Message: 2
Date: Mon, 14 Oct 2013 15:20:47 -0700
From: "Ted" <k7trkradio@xxxxxxx.xxx>
To: "'Dave Garner'" <dgarner@xxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: [wsjtgroup] Help with using a SignaLink with
WSJT
Message-ID: <001e01cec92b$a24bdae0$e6e390a0$@xxx>
Content-Type: text/plain; charset="utf-8"
Hi Dave, Having the same problem here. I did have the rx working a few days
ago as I was able to adjust the rx db setting. Now, nothing works and the
sound mixer is not seeing the program.
Wonder if baud speed has anything to do with it. I?m running 57.6 for my HRD
setup. Does WSJT need a slower rate?
Also, in SpecJT, if I attempt to bring up ?rx volume control?, I get a
message : WSJT cannot access mixer input control on this platform. Please
invoke system mixer directly.? (running win7)
I?m running v9.5. Maybe I should go back to 9.0. I used to have it running
on that version
Frustrating
73
K7TRK
From: wsjtgroup@xxxxxxxxxxx.xxx [mailto:wsjtgroup@xxxxxxxxxxx.xxxx On Behalf
Of Dave Garner
Sent: Monday, October 14, 2013 5:02 AM
To: wsjtgroup@xxxxxxxxxxx.xxx
Subject: [wsjtgroup] Help with using a SignaLink with WSJT
Hello to the yahoo WSJT group,
I am having trouble getting my new SignaLink to work with my WSJT program. I
had been running WSJT on my Icom 756 Pro2 with the sound card in my PC but
now have a new SignaLink with the UBS connection and with its built in sound
card. My program is not "seeing" the SignaLink; no receive. The setup
program looks like it is calling for input and output to change to 2 from
what I was using. I tried changing it but still no go.
Any suggestions?
Thanks,
Dave
K4YRK
EM75wv
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------------------------------
Message: 3
Date: Mon, 14 Oct 2013 16:50:17 -0600
From: Dave W?DHB <dave@xxxxx.xxx>
To: "'Ted'" <k7trkradio@xxxxxxx.xxx>, "'Dave Garner'"
<dgarner@xxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: [wsjtgroup] Help with using a SignaLink with
WSJT
Message-ID: <002401cec92f$c0fe4be0$42fae3a0$@xxxxx.xxx>
Content-Type: text/plain; charset="utf-8"
With WSJT, you may need to reset your audio input and output device(s) in
WSJT because they can take on different device #'s if you reboot the
computer or unplug USB connection on the signallink and plug it in again.
Not sure if that's your issue.
I check each time I start up WSJT
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Ted
Sent: Monday, October 14, 2013 4:21 PM
To: 'Dave Garner'; amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: [wsjtgroup] Help with using a SignaLink with WSJT
Hi Dave, Having the same problem here. I did have the rx working a few days
ago as I was able to adjust the rx db setting. Now, nothing works and the
sound mixer is not seeing the program.
Wonder if baud speed has anything to do with it. I?m running 57.6 for my HRD
setup. Does WSJT need a slower rate?
Also, in SpecJT, if I attempt to bring up ?rx volume control?, I get a
message : WSJT cannot access mixer input control on this platform. Please
invoke system mixer directly.? (running win7)
I?m running v9.5. Maybe I should go back to 9.0. I used to have it running
on that version
Frustrating
73
K7TRK
From: wsjtgroup@xxxxxxxxxxx.xxx [mailto:wsjtgroup@xxxxxxxxxxx.xxxx On Behalf
Of Dave Garner
Sent: Monday, October 14, 2013 5:02 AM
To: wsjtgroup@xxxxxxxxxxx.xxx
Subject: [wsjtgroup] Help with using a SignaLink with WSJT
Hello to the yahoo WSJT group,
I am having trouble getting my new SignaLink to work with my WSJT program. I
had been running WSJT on my Icom 756 Pro2 with the sound card in my PC but
now have a new SignaLink with the UBS connection and with its built in sound
card. My program is not "seeing" the SignaLink; no receive. The setup
program looks like it is calling for input and output to change to 2 from
what I was using. I tried changing it but still no go.
Any suggestions?
Thanks,
Dave
K4YRK
EM75wv
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_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 4
Date: Mon, 14 Oct 2013 18:50:20 -0500
From: Stefan Wagener <wageners@xxxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] HamTV on the ISS Yahoo Group
Message-ID:
<CAKu8kHCEd77GRBqFbhQ8xjTV2HA+sC=yRRoi8t2rtFvpbFG6RQ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi folks,
A Yahoo group specifically for HamTV on the ISS is active. Hopefully this
will help everyone to get started on receiving DATV form the ISS.
http://ca.groups.yahoo.com/group/HamTV
See you in the group,
73, Stefan VE4NSA
------------------------------
Message: 5
Date: Mon, 14 Oct 2013 22:11:16 -0400 (GMT-04:00)
From: Andrew Glasbrenner <glasbrenner@xxxxxxxxxx.xxx>
To: amsat-bb <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] UT1FG heard FO-29
Message-ID:
<24852781.1381803077270.JavaMail.root@xxxxxxxxxxxxxxx.xxx.xx.xxxxxxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
For those interested in such things, I clearly heard Yuri on FO-29 this
evening for a minute or so, but couldn't make the QSO. PV8DX later told me
he was in FF35.
73, Drew KO4MA
------------------------------
Message: 6
Date: Mon, 14 Oct 2013 23:33:42 -0700
From: Bryce Salmi <bstguitarist@xxxxx.xxx>
To: Amsat BB <AMSAT-BB@xxxxx.xxx>, PART Mailing List
<part-l@xxxxx.xxxxxx.xxx>
Subject: [amsat-bb] CUSat and Falcon 9 R/B (2nd Stage) Los Angeles
Sunday Evening Pass
Message-ID:
<CAN5j0sqn6ZpUUEz0OLk4L+mrZeJtfvf_2sC41_JGZe=qaETScA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=windows-1252
Hey All,
I figured I?d share some neat stuff I did over the weekend. I?m still
working on getting a good satellite capability at my apartment but
otherwise I am able to do some basic stuff. I noticed that there was a 89.6
degree elevation (about as straight overhead as they get) last night around
7:49PM, just after dusk. Below are some images and links. First is the
output of my satellite tracking program and you can see on the map just how
good the pass was as well as the ?radar? view on the bottom right which is
a polar map also indicating the amazing pass overhead. Below that is the
1200 baud APRS telemetry signal from what I believe was CUSat. The APRS
was a bit lower than the beacon frequency but maybe I read the Cornell
website incorrectly. The signal obviously had Doppler shift and 1 minute
intervals of transmission as expected. The third image is of a CW beacon
signal also from what I believe was CUSat which occurred extremely close to
the CUSat beacon frequency and had obvious Doppler shift too as shown in
the image (it?s moving left, lower in frequency as it moved away from me).
I made my best attempt to decode the Morse Code (I?m a bit rusty, but I
think I got it) and it appears to be telemetry? I was hoping for a
callsign! If you would like to listen to this CW (Morse Code) beacon, I
decoded the audio here <http://snd.sc/1hQ17II>. *** I've later found out
that there is absolutely no CW beacon on CUSat from some coworkers who
helped build CUSat in college***
The last two images are from AGI Satellite Toolkit and show the 3D view of
the orbit as it went over LA. We?re pretty sure we actually saw Falcon 9
Stage 2 (Falcon 9 R/B) as it was leading CUSat and was a bright moving
object in the sky just in-front of where we expected CUSat to be following
the exact path. It was apparently bright enough to see in Redondo Beach, CA
and the timing puts it in the correct spot to be illuminated by the sun at
that altitude.
Amazing Pass:
http://www.flickr.com/photos/101448394@xxxxxxxxxxxxxxxx
APRS From CUSat (2.2W output):
http://www.flickr.com/photos/101448394@xxxxxxxxxxxxxxxx
Some CW Beacon, Not CUSat...(Coworkers helped build CUSat, it has
absolutely no CW capabilities) so this was some other bird...
http://www.flickr.com/photos/101448394@xxxxxxxxxxxxxxxx
AGI Satellite Toolkit View of the Pass:
http://www.flickr.com/photos/101448394@xxxxxxxxxxxxxxxx
AGI Satellite Toolkit View Neat Side View of the Orbit:
http://www.flickr.com/photos/101448394@xxxxxxxxxxxxxxxx
If anyone has any idea of the CW beacon and what it belongs to I'd love to
hear it! I thought it might be Compass-1 (not even sure if it's stil alive,
just same freq) but it was nowhere near LA during the pass.
Bryce Salmi
KB1LQC
------------------------------
Message: 7
Date: Tue, 15 Oct 2013 08:42:30 +0100
From: Richard Limebear <Richard@xxxxx.xxxxx.xx.xx>
To: Amsatbb <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: Need help dismantling KR-500
Message-ID: <525CF1E6.8040705@xxxxx.xxxxx.xx.xx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Thanks to all the kind folks who responded. All I need now are the product
names
of greases available in the UK
73
Richard G3RWL
------------------------------
Message: 8
Date: Tue, 15 Oct 2013 10:19:55 +0100 (BST)
From: M5AKA <m5aka@xxxxx.xx.xx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Skybox Imaging ready for SkySat launch
Message-ID:
<1381828795.61281.YahooMailNeo@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
This article reports that SkySat-1 has started its journey to Dombarovsky
near Yasny in the Russian Federation for a November 21 launch. SkySat-2 is
currently slated for a launch from Baikonur in Kazakhstan on February 20.
http://www.spacenews.com/article/civil-space/37671commercial-earth-observation
-skybox-imagings-hopes-high-as-launch-of-first
Both of these launches will also carry a number of Amateur Radio satellites,
some with linear transponders.
The Yasny launch should see the largest number of Amateur Radio satellites
ever launched on a single rocket. I believe the total may be close to 20
(some of the satellites are themselves deploying other sats) so there should
be plenty of signals to listen out for.
http://amsat-uk.org/2012/05/25/italian-microsat-to-deploy-six-amateur-radio-sa
tellites/
73 Trevor M5AKA
------------------------------
Message: 9
Date: Tue, 15 Oct 2013 13:16:17 +0200
From: "i8cvs" <domenico.i8cvs@xxx.xx>
To: "Brian Hougesen" <hougeman@xxxxx.xxx>, "AMSAT-BB"
<amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: Need help dismantling KR-500
Message-ID: <000b01cec997$f9bd23d0$0401a8c0@xxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Hello Brian, OZ1SKY
http://www.dl3lar.de/KRx00.html
is for KR-400 the azimuth rotator while Richard is looking
for instruction to dismount KR-500 the elevation rotator.
73" de i8CVS Domenico
----- Original Message -----
From: "Brian Hougesen" <hougeman@xxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Sent: Monday, October 14, 2013 7:00 PM
Subject: [amsat-bb] Re: Need help dismantling KR-500
> Hello Richard.
>
> This might be what your look for.
>
> http://www.dl3lar.de/KRx00.html
>
> Regards
> Brian
> OZ1SKY
>
>
> > Its been up on the mast 20+ years but still turns ok. I now have it
> > off the mast and, before I sell it, I'd like to clean it up, replace
> > the grease etc.
> >
> > Loosening the screws has been quite a journey, strong wrench and lots
> > of blowlamp. Before I finally open it up I recall that someone had put
> > dismantling instructions online somewhere but I can't find them;
> > grateful for a pointer and/or other tips. Also which grease to use
> > (USA greases are not available here in the UK).
> >
> > 73
> > Richard G3RWL
> >
> > _______________________________________________
> > Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> > Not an AMSAT-NA member? Join now to support the amateur satellite
> > program!
> > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 10
Date: Tue, 15 Oct 2013 13:17:00 +0200
From: "i8cvs" <domenico.i8cvs@xxx.xx>
To: <Richard@xxxxx.xxxxx.xx.xx>, "Amsatbb" <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: Need help dismantling KR-500
Message-ID: <001301cec998$11f47b10$0401a8c0@xxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Hi Richard, G3RWL
If you have the original manual of the elevation rotator KR-500 there
is a clear mechanical drawing inside showing bearings ,ball retainers,
gears and all shaft in line so that it is very easy to understand how
proceed.
If you don't hown the above drawing I can send to you a scanned copy
of it.
You did already the most critical job to remove the eigth screws fastening
both alves of the rotator HI....HI !
About the grease I have used the molibdene black grease for differential
gears on truks.
73" de
i8CVS Domenico
----- Original Message -----
From: "Richard Limebear" <Richard@xxxxx.xxxxx.xx.xx>
To: "Amsatbb" <amsat-bb@xxxxx.xxx>
Sent: Monday, October 14, 2013 6:19 PM
Subject: [amsat-bb] Need help dismantling KR-500
> Its been up on the mast 20+ years but still turns ok. I now have it off
the mast
> and, before I sell it, I'd like to clean it up, replace the grease etc.
>
> Loosening the screws has been quite a journey, strong wrench and lots of
> blowlamp. Before I finally open it up I recall that someone had put
dismantling
> instructions online somewhere but I can't find them; grateful for a
pointer
> and/or other tips. Also which grease to use (USA greases are not available
here
> in the UK).
>
> 73
> Richard G3RWL
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 11
Date: Tue, 15 Oct 2013 09:29:41 -0700
From: Bryce Salmi <bstguitarist@xxxxx.xxx>
To: Amsat BB <AMSAT-BB@xxxxx.xxx>
Cc: PART Mailing List <part-l@xxxxx.xxxxxx.xxx>
Subject: [amsat-bb] Re: [Part-L] CUSat and Falcon 9 R/B (2nd Stage)
Los Angeles Sunday Evening Pass
Message-ID:
<CAN5j0srpNAOsGQRqkCQ_VOG2xZX5EDN0v=UopCw-VNhF2BmoDw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=windows-1252
Thanks to the Jan, PE0SAT <http://www.pe0sat.vgnet.nl/>, for pointing out
that AAUSAT3 has a CW beacon on 437.425MHZ and was directly north during
the pass of CUSat Sunday night. I went back in time on my satellite
tracking program (Linux) and sure enough the cubesat launched in February
pumping out 1W CW was there! As you can see in the lower left ?radar?
display, AAUSAT3 and CUSat were close enough for my handheld antenna to
easily pick both up.
AAUSAT3 Radio Information
http://www.space.aau.dk/aausat3/index.php?n=Ham.HAMAndRadioInfo
Correct CW Decoding of Sunday?s Pass:
OZ3CUB B7.4 T34 (EOM)
Which meant that the battery voltage was 7.4V and temperature was 34C.
Simple but fun!
*GPredict Pass Screenshot:*
http://www.flickr.com/photos/101448394@xxxxxxxxxxxxxxxx
Bryce Salmi
KB1LQC
------------------------------
_______________________________________________
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End of AMSAT-BB Digest, Vol 8, Issue 352
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