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CX2SA > SATDIG 24.09.09 21:14l 473 Lines 15484 Bytes #999 (0) @ WW
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Subj: AMSAT-BB-digest V4 494
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Sent: 090924/1903Z @:CX2SA.LAV.URY.SA #:4928 [Minas] FBB7.00e $:AMSATBB4494
From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: Cubesats heard (CE3SOC Raul Romero)
2. BL02 on Ao51 (RONALD CADE)
3. Re: Some successful experiment and beep-sats (Eric Knaps)
4. Re: CW beacon Heard (John Mock KD6PAG)
5. Re: Arrow antenna reconfiguration results (Tim - N3TL)
6. North America - ISS Next Pass School QSO Scheduled
(JoAnne Maenpaa)
7. Presentation Feedback (Clint Bradford)
----------------------------------------------------------------------
Message: 1
Date: Thu, 24 Sep 2009 11:48:58 -0400
From: "CE3SOC Raul Romero" <ce3soc@xxxxx.xxx>
Subject: [amsat-bb] Re: Cubesats heard
To: <kk5do@xxxxx.xxx>, "Andrew Rich" <vk4tec@xxxxxxxxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <3E0FCDE6F0F444459ECF64C0F8A51FD0@xxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
ITUpsAT1 is on 437.325 MHz CW
is Cw over FM !!!
73 Raul
CA3SOC
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----- Original Message -----
From: "Bruce" <kk5do@xxxxx.xxx>
To: "Andrew Rich" <vk4tec@xxxxxxxxxxxxx.xxx>
Cc: <amsat-bb@xxxxx.xxx>
Sent: Wednesday, September 23, 2009 5:20 PM
Subject: [amsat-bb] Re: Cubesats heard
> ITUpsAT1 is on 437.325 MHz CW
>
> UWE-2 is on 437.385 MHz, 1200 bps Ax.25 packet
>
> BEESAT is on 436.000 MHz CW using the call DP0BEE
>
> SwissCube is on 437.505 Mhz CW using the call HB9EG/1
>
>
>
>
> On 9/23/2009 3:12 PM, Andrew Rich wrote:
>> Frequencies please
>>
>> Actually, make an email template of satellites heard
>>
>> Or use my website
>>
>> http://vk4tec.no-ip.org/sat_status/
>>
>> ----------------------------------------------------------
>> Andrew Rich
>> Airways Technical Officer Grade 4
>> Surveillance - RADAR ADS-B
>> Amateur Radio Callsign VK4TEC
>> email: vk4tec@xxxxxxxxxxxxx.xxx
>> web: www.tech-software.net
>> ----- Original Message -----
>> From: "Mike Rupprecht"<mail@xxxxxxxxxxxxxx.xx>
>> To:<amsat-bb@xxxxx.xxx>
>> Sent: Wednesday, September 23, 2009 11:32 PM
>> Subject: [amsat-bb] Cubesats heard
>>
>>
>>
>>> ITUpSat 12:54 UTC 30 deg pass - spread CW signal
>>>
>>> itupsat hr
>>> ta1ks itupsat hr
>>> ta1ks
>>>
>>> SwissCube 12:47 UTC hb9eg/1 - at4 - uvu4vue - vttutvtvb - hb9eg/1
>>>
>>>
>>>
>>> BeeSat - 12:56 UTC strong 4k8 GMSK signals till LOS
>>>
>>>
>>>
>>> See here:<http://www.dk3wn.info/p/> http://www.dk3wn.info/p/
>>>
>>>
>>>
>>> 73, Mike
>>>
>>> DK3WN
>>>
>>> _______________________________________________
>>> 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
>>>
>>
>>
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>>
>>
>>
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>> 09/22/09
>> 17:54:00
>>
>> _______________________________________________
>> 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
>>
>>
>
>
> --
>
> Bruce Paige, KK5DO
>
> AMSAT Director Contests and Awards
>
> ARRL Awards Manager (WAS, 5BWAS, VUCC), VE
>
> Houston AMSAT Net - Wed 0100z on Echolink - Conference *AMSAT*
> Also live streaming MP3 at http://www.amsatnet.com
> Podcast at http://www.amsatnet.com/podcast.xml or iTunes
>
> Latest satellite news on the ARRL Audio News
> http://www.arrl.org
>
> AMSAT on Twitter http://www.twitter.com/amsat
>
> _______________________________________________
> 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: 2
Date: Thu, 24 Sep 2009 17:27:09 +0000
From: RONALD CADE <w6zq_7@xxx.xxx>
Subject: [amsat-bb] BL02 on Ao51
To: <amsat-bb@xxxxx.xxx>
Message-ID: <SNT111-W3591C242FB242B6055A5F0E7DA0@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Aloha
I will be operating from bl02 this afternoon at 4:50 Hawaii time, west coast
7:50pm.
This is a 11 degrees pass lasting about 11 minutes.
W6ZQ/KH6
------------------------------
Message: 3
Date: Thu, 24 Sep 2009 19:38:18 +0200
From: Eric Knaps <eric.knaps@xxxxxxx.xx>
Subject: [amsat-bb] Re: Some successful experiment and beep-sats
To: amsat-bb@xxxxx.xxx
Message-ID: <4ABBAE8A.5050901@xxxxxxx.xx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hello William,
Nice to hear you are making progress with your transponder.
About the "beep-sats", I don't even try to listen to them. There are
several new cubesats in space but only with telemetry downlink.
I have more fun with sats that has a transponder on board to make some
contacts. But that's my opinion :-)
73,
Eric -- ON4HF
Eric Knaps
Waterstraat 30
B-3980 Tessenderlo
Belgium
Tel. +32472985876 (mobile)
http://www.on4hf.be
William Leijenaar schreef:
> Hi AMSATs,
>
> I like to share with you some news about my succesfull experiments with my
tinny transponder. I managed it to work with 23cm as input frequency :)
> The changes are minor, just a few components to be changed and the input
filter needs to be changed. I have to do some more testing but all looks
very well for having an mode-LU linear transponder.
>
> I just heared about another launch with several "beep"-sats on it.
> When checking the Satellite Status List on the AMSAT-NA website, you need
to search very well to find any satellite which has an uplink frequency. As
active AMSAT operator I already deleted most of the kepler lines in the
kepler list, as these are all "beep" sats which I can not use.
>
> Lucky thing is that I not have much time to be active on satellites, but
every once in a while when I check the satellite list my face gets more and
more :(
> In the past we had a few satellites, but they were very usefull (to AMSAT
hams)...
> Now we have many satellites, but only few are usefull (to AMSAT hams)...
>
> Now up to my next project... a credit-card size Mode-B FM transponder :o)
>
> 73 de William, PE1RAH
> ---
>
>
>
>
> _______________________________________________
> 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: Thu, 24 Sep 2009 10:41:44 -0700
From: John Mock KD6PAG <kd6pag@xxxxx.xxx>
Subject: [amsat-bb] Re: CW beacon Heard
To: amsat-bb@xxxxx.xxx
Message-ID: <E1MqsK8-0006Jm-GR@xxxxxxxxxx.xxxx.xxx>
> Just heard a CW beacon on 437.385 with Doppler. It was 56-57. I was
> looking for the cubesats just launched by PSLV. As per the estimated
> TLEs, those Sats were within my AOS at 08.03 Z with 10 degree (W)
> elevation . Any confirmation on this ?
I also heard something like this, pretty weak and fairly brief, from CM88
at the same (uncorrected) frequency. If i had not seen the previous report,
i would not have posted anything. I was not able to hear SumbandilaSat, but
i can't say that's at all conclusive.
-- KD6PAG
------------------------------
Message: 5
Date: Thu, 24 Sep 2009 10:40:15 -0700 (PDT)
From: Tim - N3TL <n3tl@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Arrow antenna reconfiguration results
To: Jeff Yanko <wb3jfs@xxx.xxx>, amsat-bb@xxxxx.xxx
Message-ID: <884468.65444.qm@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=iso-8859-1
Hey Jeff,
Thank you for posting this information about the Arrow. It's very
interesting, indeed. The primary reason I switched from the Arrow I used to
own to the Elk dual-band log periodic was because the Elk heard so much
better. Patrick, WD9EWK, and I both routinely are able to work various
satellites down to the horizon, depending on the pass. I use a Diamond
MX-72H duplexer here. It's about the same price as the Comet you mentioned,
and its loss figures are roughly the same, maybe a bit better. I use six
feet of RG-8X for feedline. I'm using a duplexer because I don't have a
full-duplex-capable radio. Since the Elk is dual-band, with one feed point,
I need a duplexer to connect two radios - one for transmit, one for receive.
On those passes when I use just one HT in half-duplex operation, I connect
the radio directly to the Elk.
Have you taken any note regarding specific times you are hearing the
satellites at AOS and LOS and compared them to tracking software like
Orbitron? Doing so will give you a really good idea of how low you can go
with your new setup. Congratulations on the improvement you've achieved, and
thanks again for sharing it with all of us who read the BB.
73 to all,
Tim - N3TL
Athens, Ga. - EM84ha
________________________________
From: Jeff Yanko <wb3jfs@xxx.xxx>
To: amsat-bb@xxxxx.xxx
Sent: Thursday, September 24, 2009 5:17:23 AM
Subject: [amsat-bb] Arrow antenna reconfiguration results
Hi all,
After being off the air for about a month, I recently made some changes to
the satellite setup.? I upgraded from the TH-D7A(G) HT to the TM-D710A
mobile dual bander.? Yes, a bit bulkier, but worth its weight.? Anyhow, I
know many sat operators use the Arrow antenna setup, like what I've been
using the past 7 or so months with great results.? However, I've always
known that the diplexer that comes with the unit is reather lossy.? From
some reports I've read as much as 2.65dB of loss.? That's almost half of
whats being received or transmitted being thrown away.? When I layed out the
new portable setup I made it an issue to "lose" the diplexer and put one in
line that would perform better.? I purchased the Comet CF-416.? It's loss is
about .26dB.? A considerably less amount by far and if needed in other
applications it can handle more power than the 10 watts alotted for the
Arrow's diplexer.? I also bought some good quality RG-58 coax, only 6 feet
in length, for both 145 and 440, so there isn't much loss from this.? About
.6dB according to the data sheet.
After the assembly and installation was complete, on air usage was next.
AO-27 had a fairly decent pass to the east of the QTH with a max elevation
of 24 degrees.? I've remembered how the passes sounded previously at this
elevation so I could get a mental comparison.? As the bird's timer turned
the digital transmission on I noticed one thing immediately, the signal was
clearer and no hiss.? The analog timer swtiched on and the voices became
copiable.? The signal appeared to be a bit stronger than the old setup with
the Arrow antenna but the most remarkable improvement was from the time I
started to receive the signal to near LOS, it never once dropped out!? It
almost appeared as though I changed my linear antenna to a CP with a preamp.
I figured this is too good to be true.? I then decided to test it with AO-51
and see how well that bodes.? I noticed I was copying the signal closer to
the horizon than the previous set up and again the same results with no drop
outs, except for the one time the house blocked the signal for about 20
seconds.
So if anybody is considering improving their current Arrow antenna, please
do so by getting a better diplexer.? They are not expensive, $40 to $60, and
of course some decent coax, short runs are better but give yourself enough
slack so you don't cut yourself short!
See you on the birds!
73,
Jeff? WB3JFS
Las Vegas, NV
DM26
_______________________________________________
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: 6
Date: Thu, 24 Sep 2009 13:09:42 -0500
From: "JoAnne Maenpaa" <k9jkm@xxxxxxx.xxx>
Subject: [amsat-bb] North America - ISS Next Pass School QSO
Scheduled
To: <amsat-bb@xxxxx.xxx>
Message-ID: <002b01ca3d42$35807f70$a0817e50$@xxx>
Content-Type: text/plain; charset="US-ASCII"
Hi everyone,
Here is short notice for those you lucky enough to be near your radio. The
next ISS pass over the USA will be a school contact so tune in on 145.800.
Cedarview Middle School, Ottawa, ON, Canada, direct via VE3TBD
Contact is a go for Thu 2009-09-24 19:07:56 UTC 51 deg
My Nova screen shows the flight path as going from Baja California to
Newfoundland so this is a nice mid-continent pass!
--
73 de JoAnne K9JKM
k9jkm@xxxxx.xxx
Editor, AMSAT News Service
Copy Editor, AMSAT Journal
------------------------------
Message: 7
Date: Thu, 24 Sep 2009 11:27:26 -0700
From: Clint Bradford <clintbradford@xxx.xxx>
Subject: [amsat-bb] Presentation Feedback
To: amsat-bb@xxxxx.xxx
Message-ID: <7FD8C2CF-670D-424C-9BDA-C2802B13AF2A@xxx.xxx>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
I gave my presentation to a club back on September 3. They'll remain
nameless - it doesn't matter who they were. At times during the show,
I felt like Rodney Dangerfield - it was a rough crowd. I know my
timing was a little "off" due to my wife's recovering from an
emergency medical problem. But we did work AO-51 from the parking lot
right before the meeting ... I had my club-specific trivia questions
all prepared ... the presentation SHOULD have gone well ...
Well, I just chalked it up to the law o' averages. I mean, Give the
presentation, say, ten times, and there'll be one group that isn't as
receptive as they should be (grin).
I forgot about that night - until I received the email reprinted below
last night. I am almost ashamed to post this. In my mind, I thought I
had somehow failed the group. This post is not to glorify me and what
I am doing - I mean it to be a "keep working at spreading the gospel
of AMSAT" to all of us - no matter what silly little setbacks may occur.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Hello Clint
Thanks for the great AMSAT presentation at our club on 3 Sept. 09. And
the demonstration of tracking and working an amateur satellite was
very spectacular. The members are still talking about it. I hope you
continue to give this lecture to various groups, it is one of the most
viable ones that I have seen.
I made a dvd of your lecture and finally got it completed. Graphics on
the top thanks to my son Eddie, our resident computer graphics person.
I would like to send you a copy and was wondering if you were ok in
QRZ at : 5085 Trail Canyon Drive, Mira Loma, Ca. 91752-1685 ? If
this is ok, then i will mail it to you. Thanks again.
/s/ (club board member)
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Clint, K6LCS
909-241-7666
http://www.work-sat.com
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 4, Issue 494
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