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CX2SA > SATDIG 04.08.18 03:48l 684 Lines 23895 Bytes #999 (0) @ WW
BID : AMSATBB13272
Read: GUEST
Subj: AMSAT-BB-digest V13 272
Path: IW8PGT<CX2SA
Sent: 180804/0140Z @:CX2SA.SAL.URY.SOAM #:49714 [Salto] FBB7.00e $:AMSATBB13272
From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. Re: FT-991A Transmit Interference (VA3ASE)
2. CQ from South Indian Ocean (Jean Marc Momple)
3. Re: FT-991A Transmit Interference (Zach Metzinger)
4. Re: FT-991A Transmit Interference
(Patrick STODDARD (WD9EWK/VA7EWK))
5. Re: FT-991A Transmit Interference (Paul Andrews)
6. QSL labels from Log4OM (Mark D. Johns)
7. Well I've finally joined the 21st century. (Vince Fiscus, KB7ADL)
8. Re: Antenea Masts (tosca005 University of Minnesota)
9. Alpha-SPID and MacDoppler (Peter Green)
10. SatPC32 (mattpatt@????????.????
11. Re: Well I've finally joined the 21st century. (John Brier)
----------------------------------------------------------------------
Message: 1
Date: Fri, 3 Aug 2018 11:07:05 -0400
From: VA3ASE <va3ase@?????.???>
To: Mike Sprenger <mikesprenger@?????.???>
Cc: AMSAT-BB <amsat-bb@?????.???>, Paul Stoetzer <n8hm@????.???>
Subject: Re: [amsat-bb] FT-991A Transmit Interference
Message-ID:
<CACgQwJ-w++Ww5eSyaToettQ2YO-VQT7We-dOJkkQNeMrRxu-XQ@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Thank you to everyone who has replied, I appreciate it. I'll try to address
everything in one reply.
Paul, Alan and Trevor, I borrowed a duplexer rated for 40dB isolation. I
tried installing it on both the transmit side and on the receive side in
various configurations. I think that counts as a band pass filter. It made
no noticeable changes. I did read the QST report on the FT-991A mentioning
the output, but my impression was that it wasn't a huge deal. I would be
surprised if that was bad enough to cause this.
Zach my understanding is that the RSP1A is still shielded despite the
plastic box, but I actually have access to an RSP2pro in a metal case that
I can try out as well. I've never heard of a USB EMI filter before, I'll
look into that. I'm using a quality TrippLite USB cable with molded chokes
at each end.
Mike, I've tried both a linear power supply and a newer switching supply to
power the 991 with no change. In the video I was using the same supply on
both rigs. The SDR is powered through my laptop's USB port. I might have
already tried transmitting into a dummy load but I'll try it again. I do
know that switching the transmit antenna from my yagi to a rooftop vertical
eliminates the problem, which suggests to me that the interference is not
coming from inside the shack but from the transmit antenna's near field. I
made the switch at an outdoor patch panel, so nothing inside changed.
Terry, this is the first time I've heard of any other 991 owners with the
same problem. While it isn't what I want to hear, at least it might not
just be me.
My 991 is still in the shop (Radioworld) but I can try to pick it up this
weekend and keep experimenting. My original plan was to buy this FT-991A
and SDRplay to run a satellite base station, but I recently inherited an
FT-847 from a close friend, Brad VE3HII (SK). That opens a lot of (probably
superior) options for my station but I'd still really like to see the
FT-991A working as originally planned, and as it should. My friend's
satellite antennas are still on his tower so I may also try to take my 991
there and repeat my tests.
73,
Alex VA3ASE
On Fri, Aug 3, 2018 at 9:19 AM, Mike Sprenger <mikesprenger@?????.???>
wrote:
> Hi Alex,
>
> Think of ways to identify the RF path from the Yaesu to the SDR thats
> overloading and obfuscating what you want to see on the SDR receiver. Is
> it radiated or conducted in your cabling.
>
> Have you isolated your power supplies between the SDR and the Yaesu ?
>
> Perhaps RF is riding the DC cable.
> (So run the SDR and the Yaesu on completely separate supplies, i.e. run
> the Yaesu on a sufficient battery)
>
>
> Also, if you transmit with the Yaesu into a dummy load directly attached,
> is there RF overloading the SDR ? (This may verify the effectiveness of
> the shielding of the transmitter)
> Do the same with the ID880 to know if your dummy load is radiating, which
> is a good control test case.
>
> Look at all of your cables and question "could that be the RF path to the
> RX ?" RF will ride a shield or a DC cable if permitted.
>
> Interesting problem to solve.
>
> 73
> Mike
> W4UOO
>
>
>
>
> On Thu, Aug 2, 2018 at 7:53 PM, Paul Stoetzer <n8hm@????.???> wrote:
>
>> It sounds like the FT-991A?s harmonic suppression isn?t quite up to par.
>>
>> 73,
>>
>> Paul, N8HM
>>
>> On Thu, Aug 2, 2018 at 19:51 TERRY SURFACE <terrysurface1@???????????.???
>> >
>> wrote:
>>
>> > Hello. I have two 991A radios, and both do the same thing. I am unable
>> to
>> > use them for transmit on two meters without killing the 70 CM RX. I use
>> a
>> > Kenwood TS 2000 for transmit and 991A for receive. Not the way I want
>> to do
>> > it, but I am for now, this allows the spectrum and waterfall for
>> checking
>> > out the entire transponder. Hope someone finds a solution.
>> > 73,N4IQV, Terry
>> >
>> > ----- Original Message -----
>> > From: "VA3ASE" <va3ase@?????.???>
>> > To: amsat-bb@?????.???
>> > Sent: Thursday, August 2, 2018 2:35:54 PM
>> > Subject: [amsat-bb] FT-991A Transmit Interference
>> >
>> > Hi AMSAT friends,
>> >
>> > I'm having a technical problem and was wondering if anyone had any
>> > suggestions. I've been experimenting with using an FT-991A transmitter
>> and
>> > SDR receiver to run full-duplex on the satellites. My problem is as
>> soon as
>> > I key the FT-991A transmitter, my SDR receiver waterfall goes completely
>> > white and I don't hear anything but static. Classic overload symptoms.
>> >
>> > I've tried several things:
>> > - Upgrading my receiver from an RTL-SDR to an SDRplay RSP1A: no
>> > improvement.
>> > - Adding a duplexer as a band pass filter: no improvement.
>> > - Transmitting with a vertical antenna about 40' away from my yagis:
>> YES it
>> > did solve the problem but is not a suitable solution.
>> >
>> > I'm using the same yagi antenna setup that I've used successfully for
>> years
>> > with an FT-847, and have also had the same problem with a handheld
>> Arrow.
>> >
>> > At last I tried transmitting with a different radio, and the problem
>> > disappears. I figured the problem was in my FT-991A so I sent it for
>> > warranty repair, but just got the call that they can't find anything
>> wrong
>> > with it. It has no measurable spurious or out of band emissions. I'm at
>> a
>> > loss here... I know people are using the same equipment (FT-991 +
>> SDRplay)
>> > successfully; Simon Brown comes to mind.
>> >
>> > Here is a video I created demonstrating the problem with the FT-991 and
>> > showing that it doesn't appear with an Icom ID-880H.
>> > https://youtu.be/gXOIK5gLjgs
>> >
>> > I still think the problem must be in the radio, but if they can't find
>> > anything to fix then I'm out of luck. I'd love to hear any suggestions
>> or
>> > feedback.
>> >
>> > Thanks,
>> > Alex VA3ASE
>> > _______________________________________________
>> > 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: http://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: http://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: http://www.amsat.org/mailman/listinfo/amsat-bb
>>
>
>
>
> --
> Thanks,
> Mike Sprenger
> (37.9167N 81.1244W is the Summit)
>
------------------------------
Message: 2
Date: Fri, 3 Aug 2018 19:23:54 +0400
From: Jean Marc Momple <jean.marc.momple@?????.???>
To: AMSAT BB <amsat-bb@?????.???>
Subject: [amsat-bb] CQ from South Indian Ocean
Message-ID: <1BCB5567-2616-4D69-8337-338E5265A61A@?????.???>
Content-Type: text/plain; charset=us-ascii
Dear All,
We have a bunch of active satellite operators in the region, mainly from
Mauritius (3B8), Reunion (FR) and South Africa (ZS) also from Madagascar 5R8
sometimes , in spite many countries reachable particularly on FO-29 we do
not hear much traffic except for regular QSO with Thailand (thanks to Kob,
E21EJC).
I guess the active guys reachable around the Indian Ocean (West Africa,
Middle-East, Asia and Oceania) are not looking this way as not expecting any
trafic and also due to time difference.
Just to let you know that we would like to QSO with you guys. Look for us on
the birds.
73
Jean Marc (3B8DU)
------------------------------
Message: 3
Date: Fri, 3 Aug 2018 10:50:00 -0500
From: Zach Metzinger <zmetzing@?????.???>
To: amsat-bb@?????.???
Subject: Re: [amsat-bb] FT-991A Transmit Interference
Message-ID: <8fd71c98-0ec8-c72e-2b8a-f6f1adba1652@?????.???>
Content-Type: text/plain; charset=utf-8; format=flowed
On 8/3/18 10:07 AM, VA3ASE wrote:
> Zach my understanding is that the RSP1A is still shielded despite the
> plastic box, but I actually have access to an RSP2pro in a metal case that
> I can try out as well. I've never heard of a USB EMI filter before, I'll
> look into that. I'm using a quality TrippLite USB cable with molded chokes
> at each end.
Hello Alex,
Based on the pictures shown in the review located at the following URL,
there does not appear to be any shielding over any RF component.
https://www.rtl-sdr.com/a-review-of-the-sdrplay-rsp1a/
--- Zach
N0ZGO
------------------------------
Message: 4
Date: Fri, 3 Aug 2018 16:10:23 +0000
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@??????.???>
To: Zach Metzinger <zmetzing@?????.???>, AMSAT <amsat-bb@?????.???>
Subject: Re: [amsat-bb] FT-991A Transmit Interference
Message-ID:
<CAN6TEUeRrn4bvvaZ+MP+R-oGG5stDFG1ELc5EWM+dOQcvz+0_w@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Zach,
The RF shielding isn't over components on the circuit board. The
inside of the RSP1A's plastic case has metallic paint which serves
as the shielding. From the same review you cited at:
https://www.rtl-sdr.com/a-review-of-the-sdrplay-rsp1a/
"Like the RSP2 the plastic case is now spray painted with metallic
paint on the inside. This works almost as well as a full metal
case to shield from unwanted signals entering directly through the
PCB, instead of through the antenna. We do still notice some
leakage making its way in through the coax shield, but it is
relatively minor with the shielding."
I have used my RSP1A to receive satellite downlinks, and have not
experienced issues as VA3ASE mentioned. I'm not using an FT-991 or
FT-991A, but use a variety of other radios (HTs, IC-2730A, FT-817,
TM-D710G) for the uplink side of my station with the RSP1A and a
tablet with HDSDR for the downlink.
73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
Twitter: @?????? or http://twitter.com/WD9EWK
On Fri, Aug 3, 2018 at 3:50 PM, Zach Metzinger <zmetzing@?????.???> wrote:
> On 8/3/18 10:07 AM, VA3ASE wrote:
>
> Zach my understanding is that the RSP1A is still shielded despite the
>> plastic box, but I actually have access to an RSP2pro in a metal case that
>> I can try out as well. I've never heard of a USB EMI filter before, I'll
>> look into that. I'm using a quality TrippLite USB cable with molded chokes
>> at each end.
>>
>
> Hello Alex,
>
> Based on the pictures shown in the review located at the following URL,
> there does not appear to be any shielding over any RF component.
>
> https://www.rtl-sdr.com/a-review-of-the-sdrplay-rsp1a/
>
> --- Zach
> N0ZGO
>
>
------------------------------
Message: 5
Date: Fri, 3 Aug 2018 12:59:35 -0400
From: Paul Andrews <w2hro.fn20@?????.???>
To: amsat-bb@??????.???
Cc: amsat-bb <amsat-bb@?????.???>
Subject: Re: [amsat-bb] FT-991A Transmit Interference
Message-ID:
<CAOsf+NS1BO4-UTL9G9Z1PVufjNyKxR0EuULrR+dW-R0SSfRqiA@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
This is very likely a IM3 issue. Shielding won't help. You need to
surpress the IM3 on the 2M output.
I have a torpedo sized cavity filter that knocks down the IM3 by 40 dB and
I see no desense.
GL - 73 - Paul - W2HRO
On Fri, Aug 3, 2018, 12:11 Patrick STODDARD (WD9EWK/VA7EWK) <
amsat-bb@??????.???> wrote:
> Zach,
>
> The RF shielding isn't over components on the circuit board. The
> inside of the RSP1A's plastic case has metallic paint which serves
> as the shielding. From the same review you cited at:
>
> https://www.rtl-sdr.com/a-review-of-the-sdrplay-rsp1a/
>
> "Like the RSP2 the plastic case is now spray painted with metallic
> paint on the inside. This works almost as well as a full metal
> case to shield from unwanted signals entering directly through the
> PCB, instead of through the antenna. We do still notice some
> leakage making its way in through the coax shield, but it is
> relatively minor with the shielding."
>
> I have used my RSP1A to receive satellite downlinks, and have not
> experienced issues as VA3ASE mentioned. I'm not using an FT-991 or
> FT-991A, but use a variety of other radios (HTs, IC-2730A, FT-817,
> TM-D710G) for the uplink side of my station with the RSP1A and a
> tablet with HDSDR for the downlink.
>
> 73!
>
>
>
>
> Patrick WD9EWK/VA7EWK
> http://www.wd9ewk.net/
> Twitter: @?????? or http://twitter.com/WD9EWK
>
>
>
>
>
> On Fri, Aug 3, 2018 at 3:50 PM, Zach Metzinger <zmetzing@?????.???> wrote:
>
> > On 8/3/18 10:07 AM, VA3ASE wrote:
> >
> > Zach my understanding is that the RSP1A is still shielded despite the
> >> plastic box, but I actually have access to an RSP2pro in a metal case
> that
> >> I can try out as well. I've never heard of a USB EMI filter before, I'll
> >> look into that. I'm using a quality TrippLite USB cable with molded
> chokes
> >> at each end.
> >>
> >
> > Hello Alex,
> >
> > Based on the pictures shown in the review located at the following URL,
> > there does not appear to be any shielding over any RF component.
> >
> > https://www.rtl-sdr.com/a-review-of-the-sdrplay-rsp1a/
> >
> > --- Zach
> > N0ZGO
> >
> >
> _______________________________________________
> 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: http://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 6
Date: Fri, 3 Aug 2018 15:37:38 -0500
From: "Mark D. Johns" <mjohns+K0JM@??????.???>
To: AMSAT <amsat-bb@?????.???>
Subject: [amsat-bb] QSL labels from Log4OM
Message-ID:
<CAHKCqnBr29CCh3dy1N+uTmsy-ftTSfTmZzGXKaOD5WaWzMg5XQ@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Does anyone know how to create a QSL card label in Log4OM that is useful
for confirming a satellite QSO? I've read the instructions, but the only
labels I can print show date, time, mode, one band and no mention of a
satellite. Very frustrating. Are there customizing options I've missed?
--
Mark D. Johns
K?JM / M?GZO / ex-9H3DJ / ex-K?MDJ
Brooklyn Park, MN USA EN35hd
-----------------------------------------------
"Heaven goes by favor; if it went by merit,
you would stay out and your dog would go in."
---Mark Twain
------------------------------
Message: 7
Date: Fri, 03 Aug 2018 15:35:19 -0600
From: "Vince Fiscus, KB7ADL" <vlfiscus@???.???>
To: amsat-bb@?????.???
Subject: [amsat-bb] Well I've finally joined the 21st century.
Message-ID: <5.2.1.1.2.20180803151954.00c53c78@???.?????????.???>
Content-Type: text/plain; charset="us-ascii"; format=flowed
My 12 year old flip-phone went SK on me. I wanted
another flip phone but they told me they would have
to special order one. HA, so now I have an android
smart phone. still trying to learn it.
Just wondering, what apps are the favorites out there?
Saw heavens above, Some PSK, SSTV, and RTTY apps. A neat
looking audio spectrum analyzer app.
Has anyone hooked up an SDR receiver to a smart phone? I
think that is something I would like to try as everything is
so portable, and I'd like to stay away from any app with ads.
73
KB7ADL
------------------------------
Message: 8
Date: Fri, 3 Aug 2018 14:31:25 -0500
From: tosca005 University of Minnesota <tosca005@???.???>
To: Paul Overn <povern@?????.???>
Cc: "amsat-bb@?????.???? <amsat-bb@?????.???>
Subject: Re: [amsat-bb] Antenea Masts
Message-ID:
<CABGf72om=4dfXr-kRVnb3-NiZwZW=m=gya0HXcdJMT=u45UwHQ@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Max-Gain Systems has a number of extensible/collapsable fiberglass masts,
some of which might meet your needs, although MGS does not actually
recommend mounting a rotatable antenna on one of their push-up systems.
https://mgs4u.com/product/mk-4-series-25ft-masts/ can extend up to 25
feet, but the top section is only one inch in diameter, so it might not
support a 6M5X yagi.
https://mgs4u.com/product/mk-8/ can extend up to 50 feet when guyed and
attached to a strong base, but to get up to 20 feet you only need to use 2
or 3 of the biggest nested sections so it might be more suitable for
holding the 6M5X at 20 feet up.
MGS also sells fiberglass tubing and rods, so you could put a solid rod
inside the third section to strengthen it. You could also "double up"
sections, i.e. glue a 2.25"OD tube inside of a 2.50"OD tube to make the
lowest section at double the wall strength, then a 1.75"OD tube inside of a
2.00"OD tube as the second section that would slide into the first section,
and then get a 1.50"OD solid rod as the third section. In fact, instead of
gluing together a 1.75"ID and a 2.00"ID tube, you could just buy a 2.00"OD
tube in 1/4" wall thickness. (Most of their fiberglass tubes only come in
1/8" wall thickness.) Since they sell the tubes and rods in 4 foot and 8
foot lengths, a 3-section mast extended to 20 feet would allow for 2 feet
of overlap per section which would be plenty.
For more details on their fiberglass offerings, go to
https://mgs4u.com/telescoping-fiberglass-tube-and-rod-price-list-2/
Good luck.
John, W0JT/5, EL09vu20
On Thu, Jul 26, 2018 at 7:24 AM, Paul Overn via AMSAT-BB <amsat-bb@?????.???
> wrote:
> I know this isn't exactly satellite related, but I've asked for help in
> other places, and the feedback has been sparse. You guys have always been
> very helpful.
> I'm looking for a portable antenna mast that I can use between passes
> while satellite roving. I would like it to be able to go to at least 20',
> hold a 5 element M2 6 Meter yagi, be able to fit in a small truck and be
> portable.
> I have looked at numerous military surplus masts, like at Go-vertical-usa,
> but they will not return any of my correspondence. I have looked into many
> "home brew" solutions, but I'm just not that handy.
>
> Anyone have any good sites I can go to for something that fits my needs?
> Thanks in advance for your help!
>
>
> Paul Overn
> KE0PBR
> Twitter: @??????
> `?.??.???`?.. ><((((?>`?.??.???`?.?><((((?>`?.??.???`?.. ><((((?>
> _______________________________________________
> 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: http://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 9
Date: Fri, 03 Aug 2018 21:25:32 +0100
From: Peter Green <peteragreen@??.???>
To: amsat-bb@?????.???
Subject: [amsat-bb] Alpha-SPID and MacDoppler
Message-ID: <3D5E2EE8-5D73-469A-BE01-3153C7DC2AD9@??.???>
Content-Type: text/plain; charset=us-ascii
I am running a SPID ROT2 with Alpha-SPID RAK and RAEL with MacDoppler,
anyone running similar setup have any issues?
Happy to chat off of the board
Best wishes
Pete G0ABI
Sent from my iPad
------------------------------
Message: 10
Date: Fri, 03 Aug 2018 20:01:19 -0500
From: mattpatt@????????.???
To: AMSAT <amsat-bb@?????.???>
Subject: [amsat-bb] SatPC32
Message-ID: <31edc2cb7cddc0a7394c7bd417d1cf0b@????????.???>
Content-Type: text/plain; charset=US-ASCII; format=flowed
Can anyone tell me about how long it usually takes to receive the reg
code for SatPC32? I ordered it early this morning (CST) and aside from
the receipt have not received anything else. I sent a e-mail to them
and no response. I realize there is apparently one person who works in
the office but how hard is it to send a registration key?
73 Matt
W5LL
------------------------------
Message: 11
Date: Fri, 3 Aug 2018 21:35:23 -0400
From: John Brier <johnbrier@?????.???>
To: "Vince Fiscus, KB7ADL" <vlfiscus@???.???>
Cc: AMSAT BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] Well I've finally joined the 21st century.
Message-ID:
<CALn0fKPm+G-XMQKEA35qL4jzboTEz2xMCEOqdFadqACnwzhBJQ@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
ISS Detector Pro is the main app I use now. I like it because I can
select just the sats I want to see via filters, and at a glance I can
open it up and see what sats are coming in range in the next few
hours, or days.
We have a page on apps to use to track sats on the following wiki:
http://sats.wikidot.com/what-apps-can-i-use-to-track-satellites
73, John Brier KG4AKV
On Fri, Aug 3, 2018 at 5:35 PM, Vince Fiscus, KB7ADL <vlfiscus@???.???> wrote:
> My 12 year old flip-phone went SK on me. I wanted
> another flip phone but they told me they would have
> to special order one. HA, so now I have an android
> smart phone. still trying to learn it.
>
> Just wondering, what apps are the favorites out there?
>
> Saw heavens above, Some PSK, SSTV, and RTTY apps. A neat
> looking audio spectrum analyzer app.
>
> Has anyone hooked up an SDR receiver to a smart phone? I
> think that is something I would like to try as everything is
> so portable, and I'd like to stay away from any app with ads.
>
> 73
> KB7ADL
>
>
> _______________________________________________
> 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: http://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!
http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
End of AMSAT-BB Digest, Vol 13, Issue 272
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