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CX2SA > SATDIG 22.02.11 22:06l 407 Lines 13983 Bytes #999 (0) @ WW
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Subj: AMSAT-BB-digest V6 115
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Sent: 110222/2005Z @:CX2SA.LAV.URY.SA #:54365 [Minas] FBB7.00e $:AMSATBB6115
From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: HELP ON LINEAR BIRDS (Erich Eichmann)
2. Satellite Antennas (Howard Kowall)
3. Re: Fwd: 420 - 450 MHz in Jeopardy! (Tom Schuessler)
4. offering M2 42 element CP (chris pellenz)
5. Re: Satellite Antennas (Mark L. Hammond)
6. Re: Satellite Antennas (Jim Jerzycke)
7. KB5WIA/P Mini Grid-Expedition Report (CM89) (David Palmer)
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Message: 1
Date: Tue, 22 Feb 2011 09:34:47 +0100
From: "Erich Eichmann" <erich.eichmann@xxxxxxxx.xx>
Subject: [amsat-bb] Re: HELP ON LINEAR BIRDS
To: "Marc Tessier - VE3TES" <ve3tes@xxxxxx.xx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <E131D50FF3BA43128250386090CB412C@xxxxxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi Marc,
I have answered your mail off the list.
73s, Erich, DK1TB
----- Original Message -----
From: "Marc Tessier - VE3TES" <ve3tes@xxxxxx.xx>
To: <amsat-bb@xxxxx.xxx>
Sent: Monday, February 21, 2011 10:02 PM
Subject: [amsat-bb] HELP ON LINEAR BIRDS
> Hello, after finally getting my uhf yagi to operate well again, I want to
> try my hand at the linear birds or SSB sats again, I am having troubles
> calibrating my uplink to the bird.
> I have read and followed the steps laid out in the FAQ, Yet I still have
> to recalibrate each pass. what could I be doing wrong???
>
> my station is as follows
>
> Software - Satpc32
> Radio - Kenwood TS-2000
> Antennae are - 5 ele on 2m
> - 9 ele on uhf.
>
> Regards,
>
> Marc Tessier - VE3TES
> ve3tes@xxxxxx.xx
> _______________________________________________
> 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: Tue, 22 Feb 2011 09:06:50 -0600
From: "Howard Kowall" <hkowall@xxxx.xx>
Subject: [amsat-bb] Satellite Antennas
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>
Message-ID: <02C433C06D7D4BFD86E603752DA854F2@xxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Good morning to all
Well my wife gave me the ok to get some new base satellite antennas.
I could really only find 2 manufactures of theses antennas in North America
M2 and GulfAlpha.Is there any others,and also can anyone recommend something
I would like to be able to use them for the FM sats and Transponders.
I would imagine that circular polarized would be the way to go(rhcp)
Any input would be much appreciated
Thanks to all who read and reply
Howard
VE4ISP
------------------------------
Message: 3
Date: Tue, 22 Feb 2011 09:11:57 -0600
From: "Tom Schuessler" <tjschuessler@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Fwd: 420 - 450 MHz in Jeopardy!
To: <amsat-bb@xxxxx.xxx>
Message-ID: <001d01cbd2a2$d9610460$8c230d20$@xxx>
Content-Type: text/plain; charset=US-ASCII
This is a very serious threat as the current administration and current
majority folks on the FCC are bent on making us all pay for what we get free
now, that being broadcast TV and two way communications. I am in the
broadcast TV profession and we just went through a transition where most
every station in the country had to spend maybe a Million Dollars or more
each to convert to digital broadcasting and in most cases change channels
due to the spectrum repack. Remember we lost the whole of the 700Mhz UHF
band to broadband and homeland security users. Now the FCC is pushing a
"Voluntary" relinquishment of an additional 120MHZ of spectrum which would
mean in large markets like Dallas, there would no longer be room for all the
channels currently on the air. The thing here is that the broadband
providers who will take over this additional spectrum will charge you the
user for some of the same content that you can now get for free via the
broadcast TV spectrum. They also want your money to communicate person to
person.
Now for 420-450mhz. since this is pretty much right below the 470Mhz start
of channel 14. It is not at all inconceivable that in the next 10 years, as
the "spectrum crunch" gets worse, that the whole UHF TV spectrum gets lost
to broadband concerns. We are next door and don't have all the resources to
fight it.
So fight it we must. Even if we are secondary users, we are stakeholders
and need to make our voice heard.
Tom Schuessler
2713 Lake Gardens Drive
Irving, Texas 75060
972-986-7456
214-403-1464 (Cell)
n5hyp@xxxx.xxx
------------------------------
Message: 4
Date: Tue, 22 Feb 2011 07:46:05 -0800 (PST)
From: chris pellenz <pellenzc@xxxxx.xxx>
Subject: [amsat-bb] offering M2 42 element CP
To: amsat-bb@xxxxx.xxx
Message-ID: <747554.45049.qm@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Hi All,
I know I offered this a few weeks ago...
at this point I think I could get it boxed up
and shipped... It will break down to 4 x 5 ft sections.
My M2 42 element circular polarized antenna...
wired now for RH... does not have the remote switch device
but of course that is available from M2.
Please make me an offer... these are $400 new...
someone will get a bargain here.
If someone is interested, let me know and I can send
pictures. If no interest due to lack of buyer protection
I will let you know when I ebay it
Thanks,
Chris Pellenz
KC2BBU
Former AMSAT NA member
------------------------------
Message: 5
Date: Tue, 22 Feb 2011 11:11:44 -0500
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Subject: [amsat-bb] Re: Satellite Antennas
To: Howard Kowall <hkowall@xxxx.xx>
Cc: AMSAT BB <amsat-bb@xxxxx.xxx>
Message-ID:
<AANLkTinOGWm6Eti6e6z6GJMgFinj+20RS7mhkrLBteiZ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Howard,
Lucky you :)
Here is my personal opinion from 20 years of operations--if you cannot
change polarity, don't use circular. Linear works wonderfully.
M2 yagis work great no matter what polarity the bird is in...I have
installed mine vertically on a metal boom. No regrets. And they are
quite a bit cheaper!!
My last setup purchase included three M2 yagis, and I love 'em!
http://www.m2inc.com/products/uhf/70cm/44018.html
http://www.m2inc.com/products/vhf/2m/2m7.html
http://www.m2inc.com/products/uhf/23cm/23cm35ez.html
Price those, and then compare the price to circular ones with polarity
switching on the 2M AND 70cm, and you'll see one reason I went that
route :)
Other reasons include quality, balance on the rotors, gain, length
(around 10'), durability, and simplicity, etc.
Add a 2' dish on a 8' to 10' horizontal metal boom and you're good for
four bands, and the standard Yaesu G5500 will do just fine with the
whole mess.
Don't get me wrong---circular is more of the ideal, but it gets a bit
more complicated with polarity switching (not easily done remotely for
example!), not to mention the expense.
73,
Mark N8MH
On Tue, Feb 22, 2011 at 10:06 AM, Howard Kowall <hkowall@xxxx.xx> wrote:
> Good morning to all
> Well my wife gave me the ok to get some new base satellite antennas.
> I could really only find 2 manufactures of theses antennas in North America
> M2 and GulfAlpha.Is there any others,and also can anyone recommend something
> I would like to be able to use them for the FM sats and Transponders.
> I would imagine that circular polarized would be the way to go(rhcp)
> Any input would be much appreciated
> Thanks to all who read and reply
> Howard
> VE4ISP
>
> _______________________________________________
> 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
>
--
Mark L. Hammond [N8MH]
------------------------------
Message: 6
Date: Tue, 22 Feb 2011 18:56:34 +0000
From: Jim Jerzycke <kq6ea@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Satellite Antennas
To: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Cc: AMSAT BB <amsat-bb@xxxxx.xxx>
Message-ID: <4D6406E2.2080405@xxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
I agree with Mark 100%.
I've been using my 'terrestrial' M2 antennas on the satellites for
years. The GulfAlpha "Easy Satellite" antenna I use for Field day is
also linearly polarized, and works very well.
Fades? Sure I get them, but most of the time it's only for a few
seconds, and while a bit annoying it's not a show stopper.
73, Jim KQ6EA
On 02/22/2011 04:11 PM, Mark L. Hammond wrote:
> Hi Howard,
>
> Lucky you :)
>
> Here is my personal opinion from 20 years of operations--if you cannot
> change polarity, don't use circular. Linear works wonderfully.
>
> M2 yagis work great no matter what polarity the bird is in...I have
> installed mine vertically on a metal boom. No regrets. And they are
> quite a bit cheaper!!
>
> My last setup purchase included three M2 yagis, and I love 'em!
>
> http://www.m2inc.com/products/uhf/70cm/44018.html
>
> http://www.m2inc.com/products/vhf/2m/2m7.html
>
> http://www.m2inc.com/products/uhf/23cm/23cm35ez.html
>
> Price those, and then compare the price to circular ones with polarity
> switching on the 2M AND 70cm, and you'll see one reason I went that
> route :)
>
> Other reasons include quality, balance on the rotors, gain, length
> (around 10'), durability, and simplicity, etc.
>
> Add a 2' dish on a 8' to 10' horizontal metal boom and you're good for
> four bands, and the standard Yaesu G5500 will do just fine with the
> whole mess.
>
> Don't get me wrong---circular is more of the ideal, but it gets a bit
> more complicated with polarity switching (not easily done remotely for
> example!), not to mention the expense.
>
>
> 73,
>
> Mark N8MH
>
>
> On Tue, Feb 22, 2011 at 10:06 AM, Howard Kowall <hkowall@xxxx.xx> wrote:
>
>> Good morning to all
>> Well my wife gave me the ok to get some new base satellite antennas.
>> I could really only find 2 manufactures of theses antennas in North America
>> M2 and GulfAlpha.Is there any others,and also can anyone recommend
something
>> I would like to be able to use them for the FM sats and Transponders.
>> I would imagine that circular polarized would be the way to go(rhcp)
>> Any input would be much appreciated
>> Thanks to all who read and reply
>> Howard
>> VE4ISP
>>
>> _______________________________________________
>> 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: 7
Date: Tue, 22 Feb 2011 11:44:37 -0800
From: David Palmer <zdap42@xxxxx.xxx>
Subject: [amsat-bb] KB5WIA/P Mini Grid-Expedition Report (CM89)
To: amsat-bb@xxxxx.xxx
Message-ID:
<AANLkTinBX+pfAfXxMHKpQOGj3AAU9H9duhWjgGsvtN=3@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Everyone,
Yesterday's mini grid-expedition to grid square CM89 was a lot of fun.
I live in grid CM88 (between San Francisco and Sacramento), so CM89
was only an hour north of me and easy to get to. We drove up to
Colusa in the morning, and I was able to get my QRP-portable equipment
(twin FT-817ND's and an Elk antenna) set up at around 11:30am local
time, just before the first of six passes.
Satellite SO-50 came by first at 19:44z, it was a nice easterly
ascending pass and I made around 5 QSO's with good sigs. I then had
time for lunch, and the next pass was AO-27 at 20:38z with good
signals as well; I made 8 QSO's on that bird. At 21:24z SO-50 came
around again, this time to the west, and I was able to get a few more
QSO's in. Next it was time for AO-27 to come around again at 22:18z,
also to the west, and I made a couple of contacts there.
At 22:33z FO-29 came by on a low easterly pass, and I had a super
difficult time hearing my downlink on this one! One big problem was a
huge "POP" a few times a second, which kept resetting the AGC in both
the radio and the one in my ears! I only figured out after the pass
that the noise blanker (NB) on the '817 did an awesome job at removing
this popping noise. Another issue was my location, next to a local
casino, turned out to have a huge amount of RF noise -- guess
thousands of "gaming machines" tends to generate some interference!
All in all, I made no contacts on FO-29, but heard a number of
stations coming back to me faintly ... I just didn't have enough
receive sensitivity between the pops and the slot machines to pull
them out.
Finally at 23:14z AO-51 came by, and I was able to make around 10 nice
QSO's on that bird. Yes, AO-51 was crowded, but like others have said
recently, no more crowded than many days on HF. With just a bit of
patience, it wasn't a problem at all to make contacts yesterday on
'51, even on a mid-day easterly pass.
Overall, the day went well. It was fun to work the six passes in
rather quick succession (about 3.5 hours from beginning to end). The
weather was beautiful (sorry Patrick, no earthquakes, power failures,
or lightning strikes), and it was a nice day to be sitting in the back
of the pickup truck playing with the sats!
Lessons learned:
1) Remember to double-check that tracking software is set for new grid
square!
2) The noise blanker on the FT-817ND works wonders.
3) Plan to choose a radio-quiet location next time!
For anyone that worked me and wants QSL cards, just send me one and
I'll send you one right back. I'll head back out that way in another
few months in case anyone missed me.
73 de Dave KB5WIA
------------------------------
_______________________________________________
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 6, Issue 115
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