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CX2SA > SATDIG 05.04.08 03:00l 695 Lines 21574 Bytes #999 (0) @ WW
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Subj: AMSAT-BB-digest V3 169
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To : SATDIG@WW
Today's Topics:
1. Re: Best HT's for sats? (Tony Langdon)
2. Re: Best HT's for sats? (G8IFF/KC8NHF)
3. Re: Best HT's for sats? (Andrew Koenig)
4. Re: Best HT's for sats? (Andrew Koenig)
5. Re: Re-purposing ATVs (GW1FKY(AT)aol.com)
6. cross boom? (w0dxz(AT)aol.com)
7. G-5500 rotor schematic source? (Joel Kandel)
8. Re: G-5500 rotor schematic source? (Ken Swaggart)
9. Re: G-5500 rotor schematic source? (Ollie Eisman)
10. Re: G-5500 rotor schematic source? (G8IFF/KC8NHF)
11. Re: cross boom? (K7WIN - Jeff)
12. Re: cross boom? (Curt Nixon)
13. Re: relative noise figure meter (i8cvs)
14. Re: cross boom? (Jonny 290)
----------------------------------------------------------------------
Message: 1
Date: Fri, 04 Apr 2008 15:30:57 +1100
From: Tony Langdon <vk3jed(AT)gmail.com>
Subject: [amsat-bb] Re: Best HT's for sats?
To: Mark Vandewettering <mvandewettering(AT)gmail.com>, Bill Dzurilla
<billdz.geo(AT)yahoo.com>
Cc: fm-satellite(AT)yahoogroups.com, amsat-bb(AT)amsat.org
Message-ID: <47f5af09.12da600a.65e1.6bb7(AT)mx.google.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed
At 12:51 PM 4/4/2008, Mark Vandewettering wrote:
>I've been using a TH-D7A and an Arrow antenna. Works
>great, no problem with desense, and it's fun to use
>the APRS stuff to bounce packets off ISS, Go-32 and NO-44.
>It's not the most glamorous, but it works very well for
>satellites, and I have no hesitation in recommending it
>for that.
I've always gone the 2 HT route, mainly because I have never owned a
full duplex capable HT. I'm another who is a big believer in full
duplex operation on the sats. It gives you a LOT more insight into
what's happening on the bird. I can operate without full duplex, but
I prefer not to.
73 de VK3JED
http://vkradio.com
------------------------------
Message: 2
Date: Fri, 04 Apr 2008 05:25:28 +0000
From: G8IFF/KC8NHF <nigel(AT)ngunn.net>
Subject: [amsat-bb] Re: Best HT's for sats?
To: Jeff Mock <jeff(AT)mock.com>
Cc: amsat-bb(AT)amsat.org
Message-ID: <47F5BBC8.9070405(AT)ngunn.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
About $175 on EBay.
Jeff Mock wrote:
> I don't know how much a used W32A goes for,
------------------------------
Message: 3
Date: Thu, 3 Apr 2008 19:38:25 -0500
From: "Andrew Koenig" <andrewkoenig(AT)thathamkid.com>
Subject: [amsat-bb] Re: Best HT's for sats?
To: "Bill Dzurilla" <billdz.geo(AT)yahoo.com>
Cc: fm-satellite(AT)yahoogroups.com, amsat-bb(AT)amsat.org
Message-ID:
<2f52b89b0804031738u69be9835kce3841355b48daad(AT)mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
All of my contacts (http://log.thathamkid.com/view.php?ViewCall=KE5GDB) have
been made on a FT-60. It doesn't have the capability of full duplex, but
it's still an awesome radio. After having it for about 2 1/2 years, mine is
still working fine despite the wear that I've put on it (numerous drops,
scratches, and water).
I recently have been experimenting with 2 FT-60's (one is my dad's) for full
duplex, and it seems to be working OK. I still have some more tests to do,
but it should work out to be just fine.
On Thu, Apr 3, 2008 at 7:11 PM, Bill Dzurilla <billdz.geo(AT)yahoo.com> wrote:
> I've made many sat contacts with my VX-2R but am
> thinking about upgrading to something with 5 watts
> output. I used a borrowed IC-W32A and Swan Island and
> it worked fine, although I could not hear my downlink
> in full duplex mode, too much desensing. Not sure
> full duplex is even worth the extra money, as it seems
> that most duplex HTs have a similar desensing problem.
>
> I was thinking about trading in the VX-2R for an FT-60
> or a VX-6R, any comments on these or other
> sat-friendly HTs?
>
> 73, Bill NZ5N
>
>
>
>
______________________________________________________________________________
______
> You rock. That's why Blockbuster's offering you one month of Blockbuster
> Total Access, No Cost.
> http://tc.deals.yahoo.com/tc/blockbuster/text5.com
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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
>
--
73's
Andrew K.
KE5GDB
http://www.thathamkid.com
------------------------------
Message: 4
Date: Thu, 3 Apr 2008 22:16:19 -0500
From: "Andrew Koenig" <andrewkoenig(AT)thathamkid.com>
Subject: [amsat-bb] Re: Best HT's for sats?
To: "Mark Vandewettering" <mvandewettering(AT)gmail.com>
Cc: amsat-bb(AT)amsat.org, Bill Dzurilla <billdz.geo(AT)yahoo.com>
Message-ID:
<2f52b89b0804032016p76f289bfl9438b3dcd57193c7(AT)mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
I do the same thing with my 2 FT-60's in full duplex (I just got it working
tonight). I have a pair of headphones and my iPod with the iTalk module to
record all of the contacts I make. I find it a lot easier to do that then
trying to scribble calls as I go.
Bill, if you're looking for a full duplex radio, I don't really have many
suggestions, but you mentioned having a VX-2. The VX-2 has a VERY nice
receiver, so with the VX-2 for RX and a FT-60 for TX I think it'd work out
pretty nice for you.
On Thu, Apr 3, 2008 at 8:51 PM, Mark Vandewettering <
mvandewettering(AT)gmail.com> wrote:
>
> On Apr 3, 2008, at 5:11 PM, Bill Dzurilla wrote:
> > I've made many sat contacts with my VX-2R but am
> > thinking about upgrading to something with 5 watts
> > output. I used a borrowed IC-W32A and Swan Island and
> > it worked fine, although I could not hear my downlink
> > in full duplex mode, too much desensing. Not sure
> > full duplex is even worth the extra money, as it seems
> > that most duplex HTs have a similar desensing problem.
> >
> > I was thinking about trading in the VX-2R for an FT-60
> > or a VX-6R, any comments on these or other
> > sat-friendly HTs?
> >
> > 73, Bill NZ5N
>
> I've been using a TH-D7A and an Arrow antenna. Works
> great, no problem with desense, and it's fun to use
> the APRS stuff to bounce packets off ISS, Go-32 and NO-44.
> It's not the most glamorous, but it works very well for
> satellites, and I have no hesitation in recommending it
> for that.
>
> I find the full-duplex to be really useful. I put a
> splitter on the sound output, and run half to some
> cheap earbuds and the other to a voice recorder. That
> way, I can record both my voice and others without
> difficulty. Scan back through my blog (AT) http://brainwagon.org
> for example mp3s.
>
> Mark KF6KYI
>
> >
> >
> >
> >
> >
>
______________________________________________________________________________
______
> > You rock. That's why Blockbuster's offering you one month of
> > Blockbuster Total Access, No Cost.
> > http://tc.deals.yahoo.com/tc/blockbuster/text5.com
> > _______________________________________________
> > Sent via AMSAT-BB(AT)amsat.org. 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(AT)amsat.org. 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
>
--
73's
Andrew K.
KE5GDB
http://www.thathamkid.com
------------------------------
Message: 5
Date: Fri, 4 Apr 2008 04:46:14 EDT
From: GW1FKY(AT)aol.com
Subject: [amsat-bb] Re: Re-purposing ATVs
To: rmann(AT)latencyzero.com
Cc: amsat-bb(AT)amsat.org
Message-ID: <bf8.28d49a0b.352744d6(AT)aol.com>
Content-Type: text/plain; charset="US-ASCII"
Hi Guys,
I am not being negative and "Yes if Only" - However there is more than
the provision of amateur radio equipment and antennas to consider.
It would not meet with the original objectives for the spacecraft - Apart
from the consideration of the rubbish
on board it would become another piece of "junk" in space and therefore a
hazard especially when it starts
to fall into the orbit paths of other spacecraft.
Someone would have to be responsible to monitor and control this aspect
which among many other considerations would I regret mean it would be
rejected.
Don't forget that this is only the first of a number
of these spacecraft to be launched and the past few weeks with the dummy
runs being used as part of a
procedure for the future.
This area alone must have cost a significant amount time and money for the
Safety Cases,Risk Assessment, documentation ,training etc. etc. etc.
I regret to say I do not think that we would have any positive agreement for
a re-run of these costs just for the
sake of amateur radio.
I am sure that the "SuitSat" team and others participating in some of our
projects could confirm the way things have changed since our earlier days.
The
process and current difficulties in time and costs now do
mean it is very hard going for our hobby sad to say.
Ideas are always worth listening to and also prove a useful learning curve
to all, so thanks for your proposal
and I really do wish that it could be adopted.
Ken Eaton
GW1FKY
Amsat -UK
Amsat NA
------------------------------
Message: 6
Date: Fri, 04 Apr 2008 10:36:13 -0400
From: w0dxz(AT)aol.com
Subject: [amsat-bb] cross boom?
To: amsat-bb(AT)amsat.org
Message-ID: <8CA64785DF2B7D5-17FC-5BB(AT)webmail-nc17.sysops.aol.com>
Content-Type: text/plain; charset="us-ascii"
In putting together my antenna,?? (144-432)I need something to use as a
horizontal- cross? support boom. What would be the best length, and,? what
would be the minimum length,,,? would 6? ft separation be OK?? To minimize
problems, should I mount one beam horizontal, one vertical? Does it matter
which one, is? which way?
I doubt I can find a fiberglas boom locally,,,? what else could I use?? or,
where can I order a fiberglas boom?
thanks
Bob W0DXZ
------------------------------
Message: 7
Date: Fri, 4 Apr 2008 11:55:24 -0400
From: "Joel Kandel" <kandelj(AT)bellsouth.net>
Subject: [amsat-bb] G-5500 rotor schematic source?
To: "AMSAT-BB" <amsat-bb(AT)amsat.org>
Message-ID: <5EE6B62978BE42BC8CBD783A0CFA9EF1(AT)OwnerPC>
Content-Type: text/plain; charset="Windows-1252"
Anyone happen to know a source of a schematic for the Yaesu G-5500 rotor pair?
Thanks,
Joel Kandel, KI4T
------------------------------
Message: 8
Date: Fri, 4 Apr 2008 09:12:44 -0700
From: "Ken Swaggart" <k.swaggart(AT)charter.net>
Subject: [amsat-bb] Re: G-5500 rotor schematic source?
To: "Joel Kandel" <kandelj(AT)bellsouth.net>, "AMSAT-BB"
<amsat-bb(AT)amsat.org>
Message-ID: <023401c8966e$b8159410$1200a8c0(AT)guest>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
The schematic for the rotor and controller is in the back of the G5500
manual. If you don't have it and can't download it from Yaesu I'll scan it
and email it to you.
73,
Ken, W7KKE
------------------------------
Message: 9
Date: Fri, 4 Apr 2008 10:18:01 -0600
From: Ollie Eisman <ollie(AT)earthrobot.com>
Subject: [amsat-bb] Re: G-5500 rotor schematic source?
To: Joel Kandel <kandelj(AT)bellsouth.net>
Cc: AMSAT-BB <amsat-bb(AT)amsat.org>
Message-ID: <12158414-6889-43DB-9111-B0CC07C6C47E(AT)earthrobot.com>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
Here's one source:
http://polysat.calpoly.edu/earthstation/documents/g-5500.pdf
Ollie
AJ1O
On Apr 4, 2008, at 9:55 AM, Joel Kandel wrote:
> Anyone happen to know a source of a schematic for the Yaesu G-5500
> rotor pair?
>
> Thanks,
> Joel Kandel, KI4T
>
------------------------------
Message: 10
Date: Fri, 04 Apr 2008 16:33:14 +0000
From: G8IFF/KC8NHF <nigel(AT)ngunn.net>
Subject: [amsat-bb] Re: G-5500 rotor schematic source?
To: Joel Kandel <kandelj(AT)bellsouth.net>
Cc: AMSAT-BB <amsat-bb(AT)amsat.org>
Message-ID: <47F6584A.6020700(AT)ngunn.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Your local Yaesu service department?
Joel Kandel wrote:
> Anyone happen to know a source of a schematic for the Yaesu G-5500 rotor
pair?
>
> Thanks,
> Joel Kandel, KI4T
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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
>
>
>
--
<><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Nigel A. Gunn. 59 Beadlemead, Milton Keynes, MK6 4HF, England.
Tel +44 (0)1908 604004 mobile +44 (0)7951079089
e-mail nigel(AT)ngunn.net www http://www.ngunn.net
Amateur radio stations G8IFF, KC8NHF
Member of ARRL, GQRP #11396, QRPARCI #11644, SOC #548, Flying Pig #385,
Dayton ARA #2128, AMSAT-NA LM-1691, MKARS, RAYNET
<><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
------------------------------
Message: 11
Date: Fri, 4 Apr 2008 10:00:02 -0700
From: "K7WIN - Jeff" <k7win(AT)k7win.net>
Subject: [amsat-bb] Re: cross boom?
To: <w0dxz(AT)aol.com>, "Amsat Buleitin Board" <amsat-bb(AT)amsat.org>
Message-ID: <008c01c89675$53d8db40$c2295089(AT)nasw.ds.army.mil>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi Bob,
I ordered the fiberglass M2 boom from RANDL.com, item HDFGBOOMKIT
(http://www.rlham.com/cgi-bin/shop/modellookup.dbw?MODEL=HDFGBOOMKIT);
however, is a bit pricey at $184.95 plus shipping. I have read where other
homemade methods have been used with success.
Are you going to use both azimuth and elevation rotors or just azimuth?
73,
Jeff - K7WIN
----- Original Message -----
From: <w0dxz(AT)aol.com>
To: <amsat-bb(AT)amsat.org>
Sent: Friday, April 04, 2008 7:36 AM
Subject: [amsat-bb] cross boom?
> In putting together my antenna,?? (144-432)I need something to use as a
> horizontal- cross? support boom. What would be the best length, and,? what
> would be the minimum length,,,? would 6? ft separation be OK?? To minimize
> problems, should I mount one beam horizontal, one vertical? Does it matter
> which one, is? which way?
>
> I doubt I can find a fiberglas boom locally,,,? what else could I use??
> or, where can I order a fiberglas boom?
>
> thanks
> Bob W0DXZ
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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: 12
Date: Fri, 04 Apr 2008 13:49:29 -0400
From: Curt Nixon <cptcurt(AT)flash.net>
Subject: [amsat-bb] Re: cross boom?
To: Amsat Buleitin Board <amsat-bb(AT)amsat.org>
Message-ID: <47F66A29.3020108(AT)flash.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Pretty simple to make a fiber pole functional equal.
use a pc of schedule 40 PVC pipe. apply a couple of wraps of 5 oz glass
cloth using epoxy or polyester resin. The glass will prevent the PVC
from sagging and adds great strength.
FWIW
KU8L Curt
K7WIN - Jeff wrote:
> Hi Bob,
>
> I ordered the fiberglass M2 boom from RANDL.com, item HDFGBOOMKIT
> (http://www.rlham.com/cgi-bin/shop/modellookup.dbw?MODEL=HDFGBOOMKIT);
> however, is a bit pricey at $184.95 plus shipping. I have read where other
> homemade methods have been used with success.
>
> Are you going to use both azimuth and elevation rotors or just azimuth?
>
> 73,
> Jeff - K7WIN
>
>
> ----- Original Message -----
> From: <w0dxz(AT)aol.com>
> To: <amsat-bb(AT)amsat.org>
> Sent: Friday, April 04, 2008 7:36 AM
> Subject: [amsat-bb] cross boom?
>
>
>
>> In putting together my antenna,?? (144-432)I need something to use as a
>> horizontal- cross? support boom. What would be the best length, and,? what
>> would be the minimum length,,,? would 6? ft separation be OK?? To minimize
>> problems, should I mount one beam horizontal, one vertical? Does it matter
>> which one, is? which way?
>>
>> I doubt I can find a fiberglas boom locally,,,? what else could I use??
>> or, where can I order a fiberglas boom?
>>
>> thanks
>> Bob W0DXZ
>> _______________________________________________
>> Sent via AMSAT-BB(AT)amsat.org. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>
>>
>>
>
>
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
------------------------------
Message: 13
Date: Fri, 4 Apr 2008 20:14:22 +0200
From: "i8cvs" <domenico.i8cvs(AT)tin.it>
Subject: [amsat-bb] Re: relative noise figure meter
To: "Tyler Harpster" <tyler881(AT)comcast.net>, "AMSAT-BB"
<amsat-bb(AT)amsat.org>
Message-ID: <001001c8967f$b5c10d00$0201a8c0(AT)tin.it>
Content-Type: text/plain; charset="iso-8859-1"
----- Original Message -----
From: "Tyler Harpster" <tyler881(AT)comcast.net>
To: <amsat-bb(AT)amsat.org>
Sent: Friday, April 04, 2008 4:39 AM
Subject: [amsat-bb] relative noise figure meter
> Since I didn't pick the correct numbers for last week's big Mega Millions
> drawing, I am again looking for cheap equipment.
>
> I remember seeing a home brew "relative" noise figure meter somewhere. It
> would not give you an absolute noise figure number, but it would move a
> needle one way or another to show how your tweaks are affecting the noise
> figure of the device under test.
>
> Does anyone know what this is or where I can find a link to it?
>
> Thanks,
> Tyler
> KM3G
Hi Tyler, KM3G
Here is the description of a serious and simple Noise Figure Meter that you
can build with easy
http://gref.cfn.ist.utl.pt/cupido/noisefm.pdf
And here is the schematic diagram
http://gref.cfn.ist.utl.pt/cupido/nf_sch.gif
I use this Automatic Noise Figure setup with success.
73" de
i8CVS Domenico
------------------------------
Message: 14
Date: Fri, 4 Apr 2008 13:28:04 -0500
From: "Jonny 290" <jonny290(AT)gmail.com>
Subject: [amsat-bb] Re: cross boom?
To: amsat-bb(AT)amsat.org
Message-ID:
<991576a60804041128p15cf9689t8a038b8413225155(AT)mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
I had good luck with Schedule 40 and a broomstick, as well. Run the
broomstick through the PVC and bolt it twice on each end such that each end
has two bolts running through it in a 'cross' configuration.
It's not as light as fiberglass but the rigidity is great for my 2x8element
array 25 feet off the ground.
On Fri, Apr 4, 2008 at 12:49 PM, Curt Nixon <cptcurt(AT)flash.net> wrote:
> Pretty simple to make a fiber pole functional equal.
>
> use a pc of schedule 40 PVC pipe. apply a couple of wraps of 5 oz glass
> cloth using epoxy or polyester resin. The glass will prevent the PVC
> from sagging and adds great strength.
>
> FWIW
>
> KU8L Curt
>
>
>
>
>
> K7WIN - Jeff wrote:
> > Hi Bob,
> >
> > I ordered the fiberglass M2 boom from RANDL.com, item HDFGBOOMKIT
> > (http://www.rlham.com/cgi-bin/shop/modellookup.dbw?MODEL=HDFGBOOMKIT);
> > however, is a bit pricey at $184.95 plus shipping. I have read where
> other
> > homemade methods have been used with success.
> >
> > Are you going to use both azimuth and elevation rotors or just azimuth?
> >
> > 73,
> > Jeff - K7WIN
> >
> >
> > ----- Original Message -----
> > From: <w0dxz(AT)aol.com>
> > To: <amsat-bb(AT)amsat.org>
> > Sent: Friday, April 04, 2008 7:36 AM
> > Subject: [amsat-bb] cross boom?
> >
> >
> >
> >> In putting together my antenna,?? (144-432)I need something to use as a
> >> horizontal- cross? support boom. What would be the best length, and,?
> what
> >> would be the minimum length,,,? would 6? ft separation be OK?? To
> minimize
> >> problems, should I mount one beam horizontal, one vertical? Does it
> matter
> >> which one, is? which way?
> >>
> >> I doubt I can find a fiberglas boom locally,,,? what else could I use??
> >> or, where can I order a fiberglas boom?
> >>
> >> thanks
> >> Bob W0DXZ
> >> _______________________________________________
> >> Sent via AMSAT-BB(AT)amsat.org. 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(AT)amsat.org. 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(AT)amsat.org. 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(AT)amsat.org. 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 3, Issue 169
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