[amsat-bb] DN80/DN81

2011-11-02 Thread Rodney Waln
i operated from dn80/81 by Julesburg, CO off the side of the road,
those that would like a card just send the contact
information to my email and cards will be made up
thanks to those that worked me,
this weekend if the weather holds out i will operate from west of denver, co
kc0zhf
back in dn71
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[amsat-bb] Re: Need help to compile Gpredict

2011-11-02 Thread PE0SAT
Hi,


Have a look at http://www.oz9aec.net/index.php/gpredict.


73 Jan PE0SAT


-- 
With regards PE0SAT
Internet web-page http://www.pe0sat.vgnet.nl/


On Tue, November 1, 2011 23:23, Oscar Vera wrote:
 Hello,
  
 I have been having problems to compile Gpredict on mac.  Is anyone gong to
 the AMSAT meeting and could provide a little help to compile Gredict?
  
 thank you.
  
 o.
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[amsat-bb] KC0ZHF DN80/81

2011-11-02 Thread John Papay

Rodney had some trouble posting this:

i operated from dn80/81 by Julesburg, CO off the side of the road,
those that would like a card just send the contact
information to my email and cards will be made up
thanks to those that worked me,
this weekend if the weather holds out i will operate from west of denver, co
kc0zhf
back in dn71
73,
Rodney KC0ZHF

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[amsat-bb] Re: Need help to compile Gpredict

2011-11-02 Thread Michael Schulz
Hi,

On Tue, Nov 1, 2011 at 5:23 PM, Oscar Vera auctyah00v...@yahoo.com wrote:

 Hello,

 I have been having problems to compile Gpredict on mac.  Is anyone gong to
 the AMSAT meeting and could provide a little help to compile Gredict?


Why do you need to build it from source? There are binaries of 1.3
available here:

http://www.hmug.org/pub/MacOS_X/X/Applications/Science/gpredict/

Never built it on my Mac, only on Linux from SVN so can help with that but
the binaries should
get you going.

73 Mike K5TRI
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[amsat-bb] Status on re-activating Prospero

2011-11-02 Thread PE0SAT

Hi Roger,


What became of the attempts to bring Prospero back to life?

Can you give us an update?


73 Jan - PE0SAT


-- 
With regards PE0SAT
Internet web-page http://www.pe0sat.vgnet.nl/


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[amsat-bb] Ride from OAK to Symposium?

2011-11-02 Thread Edwin M. EMike McCardel, KC8YLD
Anyone flying into OAK +/- 10pm Thursday who might want to share ride to
the hotel?

EMike, KC8YLD

E. Michael McCardel, KC8YLD
Ohio Section Affiliated Club Coordinator, ARRL

NO CODE REQUIRED
When All Else Fails... There's Amateur Radio
Learn more via www.ARRL.org
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[amsat-bb] DK78 2011-11-04

2011-11-02 Thread Omar Alvarez
Hello.. maybe my email was a little confuse.. my birthday and DK78 activation 
will be on friday 4th.

Hope contact most of you in my portable QRP station 

Omar 
XE1AO
DK89df


 

M.C. Omar Alvarez Cárdenas 
Facultad de Telematica, U de C
316 1075
xe1...@ucol.mx 
omar...@hotmail.com 

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[amsat-bb] Progress Docks At ISS

2011-11-02 Thread B J
http://www.spaceflightnow.com/station/exp29/02p45pdock/

73s

Bernhard VA6BMJ @ DO33FL
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[amsat-bb] Re: Charge for Satellite Tracking?

2011-11-02 Thread Armando Mercado
Greetings,

Well, in all seriousness, Who would
like to post a set of keps for one (or
all) of the amateur satellites now flying
using the methods pioneered by
Karl Meinzer, DJ4ZC and James Miller,
G3RUH?

I recall a few weeks ago someone
decrying the lack technical discussion
on the board.

...Well, here go you folks!

Best 73's  Armando  N8IGJ

 Date: Tue, 1 Nov 2011 19:49:11 +0100
From: i8cvs domenico.i8...@tin.it
To: Armando Mercado am25...@triton.net, Amsat - BBs
amsat-bb@amsat.org
Subject: [amsat-bb] Re: Charge for Satellite Tracking?
Message-ID: 002201cc98c6$f2950220$0401a8c0@b3o7f1
Content-Type: text/plain; charset=iso-8859-1

Hi Armando, N8IGJ

If unlikely AMSAT will be oblijed to derive by itself
keps for the OSCAR satellites carrying a transponder
using the following method:

http://www.amsat.org/amsat/articles/g3ruh/123.html

or the GPS method:

ftp://rsd.gsfc.nasa.gov/pub/chesters/goesref/Moreau_GPS.pdf

the keps will be posted here for free in the hope to get more
satellite users and AMSAT members.

73 de

i8CVS Domenico 
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[amsat-bb] Re: Need help to compile Gpredict

2011-11-02 Thread Charles Suprin
Hello,

If one wants the development code which is updated more frequently, one
needs to compile their own.

Charles
On Nov 2, 2011 7:13 AM, Michael Schulz msch...@creative-chaos.com wrote:

 Hi,

 On Tue, Nov 1, 2011 at 5:23 PM, Oscar Vera auctyah00v...@yahoo.com
 wrote:

  Hello,
 
  I have been having problems to compile Gpredict on mac.  Is anyone gong
 to
  the AMSAT meeting and could provide a little help to compile Gredict?
 

 Why do you need to build it from source? There are binaries of 1.3
 available here:

 http://www.hmug.org/pub/MacOS_X/X/Applications/Science/gpredict/

 Never built it on my Mac, only on Linux from SVN so can help with that but
 the binaries should
 get you going.

 73 Mike K5TRI
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[amsat-bb] Thanks!!!

2011-11-02 Thread Hector Luis Martinez Sis
Hello Guys

Thanks very much to all who worked me during my Satellite Demonstration from 
the sea
walk of my city.

I appreciate your participation!

73!
Hector, CO6CBF


***
 Genius is one per cent inspiration,
 and ninety-nine per cent
 perspiration.
   -- Thomas A. Edison
***



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http://www.injusticia.cubaweb.cu/, http://www.antiterroristas.cu/
Participe en Universidad 2012, del 13 al 17 de febrero de 2012. Habana, Cuba.
http://www.congresouniversidad.cu/
Consulte la Enciclopedia Colaborativa Cubana: http://www.ecured.cu/
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[amsat-bb] Some Elmering requested for uplinking to ARISSAT-1

2011-11-02 Thread Burns Fisher
Hi everyone,

A few months ago I asked for help receiving the beacon on ARISSAT-1 and got
a lot of helpful suggestions.  It turns out that my biggest problem was
trying to listen from inside the house.  Moving the antenna outside was the
key.  Heaven only knows what my shingles are made of...I never expected a
problem!

So now that I got pretty comfortable with receiving, it was time to step up
from my little HT and get a somewhat more flexible and powerful rig.  The
only satellite rigs still on the market are the ICOM 9100 and the Kenwood
TS-2000 family.  I know about the birdies in the TS-2000, but I could not
really afford the ICOM...maybe should have gone for a used 910 or
something, but I did end up with a TS-2000.

I still have the Eggbeater omni/circularly polarized 2m antenna for the
downlink, and it is working great!  I get a nice strong signal from the FM
beacon, and I'm able to hear people on the transponder.  I also either
picked up the CW beacon or someone using CW on the transponder.   So
anyway, the downlink is working fine.

Now for the uplink:  I built myself a 70cm Parasitic Lindenblad per the
plans of Tony, AA2TX.  I have it outside about 10 feet up, and an SWR meter
shows something reasonable (1.3ish) so I guess I did not totally mess
it up.  I can also hit the local repeater 5 miles away on fairly low power,
etc.  The Lindenblad should be circularly polarized with kind of a
donut-shaped pattern (more gain toward the horizon where the bird is
further away, less overhead where it is closer).  But so far I have not
been able to hear myself trying to contact ARISSAT.

Here is what I tried:   I set the TS2000 to satellite mode, and set it up
so I was transmitting in the middle of the transponder uplink band on USB.
Then I started scanning through the downlink passband while transmitting
(W2BFJ, tuning) using the RIT control so that transmit frequency was
not changing.  I was listening with LSB.  I heard another station weakly,
but not myself.

Can someone comment on my method, both in terms of technical goodness and
good operating practice?  A couple specific questions:  1) Xmitting in the
middle of the passband and just scanning, I should be able to at least
briefly find myself without messing with doppler, right?  I was planning to
lock the receive and transmit frequencies (constant sum) once I found
myself and follow the doppler by hand, but I never got to that step.  2)
I'm right that the sidebands are inverted from receive to xmit, right?  I
think I would hear something even if that was wrong.  3) Finally, what
about power?  How much have you required for success on ARRISAT?   I was
running around 25W.  I could boost up to as high as 50, but I can only
diddle so many knobs in 5 or 10 minutes :-)  3) I know a beam would be
better, but trying to reduce variables, and pointing is one of them.
Besides, I'm inside in my shack!  But has anyone successfully uplinked with
an omni/circular?  I can always remove the parasitic elements and end up
with a center-fed dipole to remove the circularity.  (Not sure how that
would affect the impedance match...)

Thanks!

Burns, W2BFJ
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[amsat-bb] Satellite Tracking?

2011-11-02 Thread Geoff
On Thu, 3 Nov 2011 04:16:13 am Armando Mercado wrote:
 Greetings,

 Well, in all seriousness, Who would
 like to post a set of keps for one (or
 all) of the amateur satellites now flying
 using the methods pioneered by
 Karl Meinzer, DJ4ZC and James Miller,
 G3RUH?

 I recall a few weeks ago someone
 decrying the lack technical discussion
 on the board.

 ...Well, here go you folks!

 Best 73's  Armando  N8IGJ

snipped

Hi Armando et al,

I don't know about the methods written up by Karl  James. For a long time 
I've had a project using Doppler shift curves in the back of my mind 
(the target doesn't need to cooperate). I have most of the hardware based 
around my HPSDR box and a t'bolt frequency reference. The software hasn't 
even progressed beyond ideas and algorithms. I haven't even picked a language 
or development environment (one day).

I can see a very accurate Doppler shift curve being useful in the early days 
after a multiple cubesat launch. How accurate would you need to be to 
pick your cubesat from the crowd? One pass? multiple passes?

Anyway that's this morning's breakfast coffee ideas from me. Have fun 
y'all :-).

73 de Geoff vk2tfg (/3). 

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[amsat-bb] Rv: DK78 2011-11-04

2011-11-02 Thread Ted
¡Feliz cumpleaños a tí!
¡Feliz cumpleaños a tí!
¡Feliz cumpleaños a Omar !
¡Feliz cumpleaños a tí!

73, Ted, K7TRK


-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Omar Alvarez
Sent: Tuesday, November 01, 2011 9:51 AM
To: AMSAT-BB@amsat.org
Subject: [amsat-bb] Rv: DK78 2011-11-04

Hello


Celebrating my birthday I want to activate DK78 for all my Sat friends.
Hope be in AO-51 at 22:46 UTC.

Maybe I will be in AO-51 at 21:10 UTC, is a low pass for me in my portable
QRP station.

I really try to celebrate my 42 years old  from this grid at the pacific
coast.

Its my birthday  but I will try it for all of you.

Regards

Omar
XE1AO
 

M.C. Omar Alvarez Cárdenas 
Facultad de Telematica, U
 de C
316 1075
xe1...@ucol.mx 
omar...@hotmail.com 

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[amsat-bb] Re: Some Elmering requested for uplinking to ARISSAT-1

2011-11-02 Thread DF2MZ

Hi,

I would strongly recommend using software controlled Doppler correction. 
It should be considered state of the art to correct uplink and downlink 
in order to keep the signal at fixed frequency in the satellites passband.


Before PCs became affordable, the manual standard procedure was to keep 
the rx frequency fixed and tune the tx until you hear yourself. I find 
it quite a nightmare and too many people are still doing it that way, 
performing very badly most of the time.
With up-to-date orbital elements and precisely synchronized PC clock I 
mostly manage to keep my downlink signal within the 200 Hz passband of 
the CW filter.


Your other points:
- Circular polarization should be fine and provide a more stable signal.
- The tranponder inverts, standard is to receive USB and transmit LSB
- It is much easier to find yourself by transmitting CW, best is a 
series of dits using an automatic keyer

- CW is anyway more efficient

One probably very important point is the missing UHF antenna on Arissat. 
I am using an FT-847, 50W and a 17el cross yagi, giving more than 1 KW 
ERP. I can hear myself fairly well, but not very stable. I hear the 
transponder noise floor very well, so the uplink seems to be the bottleneck.
There are reports about successful contacts with omni antennas, but it 
is probably not easy. The bird is pretty deaf.


Did you try your setup on VO52? This is an easy one and 25W to the 
Lindenblad should work very well. I think even AO7 mode B is easier than 
Arissat and also FO29 (this one is mode J or V/U transponder).


Like you, I am pretty new to the subject. I learned a lot by writing my 
own software for automatic Doppler correction for the FT-847 and for 
Rotor control. I am using NOVA for tracking.


Good luck,
Edgar
DF2MZ


Am 02.11.2011 22:12, schrieb Burns Fisher:

Hi everyone,

A few months ago I asked for help receiving the beacon on ARISSAT-1 and got
a lot of helpful suggestions.  It turns out that my biggest problem was
trying to listen from inside the house.  Moving the antenna outside was the
key.  Heaven only knows what my shingles are made of...I never expected a
problem!

So now that I got pretty comfortable with receiving, it was time to step up
from my little HT and get a somewhat more flexible and powerful rig.  The
only satellite rigs still on the market are the ICOM 9100 and the Kenwood
TS-2000 family.  I know about the birdies in the TS-2000, but I could not
really afford the ICOM...maybe should have gone for a used 910 or
something, but I did end up with a TS-2000.

I still have the Eggbeater omni/circularly polarized 2m antenna for the
downlink, and it is working great!  I get a nice strong signal from the FM
beacon, and I'm able to hear people on the transponder.  I also either
picked up the CW beacon or someone using CW on the transponder.   So
anyway, the downlink is working fine.

Now for the uplink:  I built myself a 70cm Parasitic Lindenblad per the
plans of Tony, AA2TX.  I have it outside about 10 feet up, and an SWR meter
shows something reasonable (1.3ish) so I guess I did not totally mess
it up.  I can also hit the local repeater 5 miles away on fairly low power,
etc.  The Lindenblad should be circularly polarized with kind of a
donut-shaped pattern (more gain toward the horizon where the bird is
further away, less overhead where it is closer).  But so far I have not
been able to hear myself trying to contact ARISSAT.

Here is what I tried:   I set the TS2000 to satellite mode, and set it up
so I was transmitting in the middle of the transponder uplink band on USB.
Then I started scanning through the downlink passband while transmitting
(W2BFJ, tuning) using the RIT control so that transmit frequency was
not changing.  I was listening with LSB.  I heard another station weakly,
but not myself.

Can someone comment on my method, both in terms of technical goodness and
good operating practice?  A couple specific questions:  1) Xmitting in the
middle of the passband and just scanning, I should be able to at least
briefly find myself without messing with doppler, right?  I was planning to
lock the receive and transmit frequencies (constant sum) once I found
myself and follow the doppler by hand, but I never got to that step.  2)
I'm right that the sidebands are inverted from receive to xmit, right?  I
think I would hear something even if that was wrong.  3) Finally, what
about power?  How much have you required for success on ARRISAT?   I was
running around 25W.  I could boost up to as high as 50, but I can only
diddle so many knobs in 5 or 10 minutes :-)  3) I know a beam would be
better, but trying to reduce variables, and pointing is one of them.
Besides, I'm inside in my shack!  But has anyone successfully uplinked with
an omni/circular?  I can always remove the parasitic elements and end up
with a center-fed dipole to remove the circularity.  (Not sure how that
would affect the impedance match...)

Thanks!

Burns, W2BFJ

[amsat-bb] Re: Some Elmering requested for uplinking to ARISSAT-1

2011-11-02 Thread David Palmer KB5WIA
Hi Burns,

My 2 cents -- sounds like things are mostly okay (your recieving setup
is obviously good if you can hear others in the transponder passband).
 The big factor that I can see is lack of gain on the uplink.  I've
successfully gotten into ARISSAT with my 5W QRP radio, but that's
using a 13 dBd gain yagi.  In theory the ERP of your 25W uplink isn't
too far below that, so it would be worthwhile trying the 50W to see if
that helps.  That or switch to an antenna outside with some gain...

Other factors to consider are sometimes the sats transponder is off
(so even if everything at your end is okay you won't hear your own
signal, nor anyone elses).  And the return signal varies greatly from
pass to pass, depending (I think) on the relative orientation of the
antenna stub.

Also be sure to try finding yourself on CW first  SSB is often
very difficult to copy on ARISSAT, much easier to start with CW and
once you've found yourself switch over.

73! de Dave KB5WIA

 Can someone comment on my method, both in terms of technical goodness and
 good operating practice?  A couple specific questions:  1) Xmitting in the
 middle of the passband and just scanning, I should be able to at least
 briefly find myself without messing with doppler, right?  I was planning to
 lock the receive and transmit frequencies (constant sum) once I found
 myself and follow the doppler by hand, but I never got to that step.  2)
 I'm right that the sidebands are inverted from receive to xmit, right?  I
 think I would hear something even if that was wrong.  3) Finally, what
 about power?  How much have you required for success on ARRISAT?   I was
 running around 25W.  I could boost up to as high as 50, but I can only
 diddle so many knobs in 5 or 10 minutes :-)  3) I know a beam would be
 better, but trying to reduce variables, and pointing is one of them.
 Besides, I'm inside in my shack!  But has anyone successfully uplinked with
 an omni/circular?  I can always remove the parasitic elements and end up
 with a center-fed dipole to remove the circularity.  (Not sure how that
 would affect the impedance match...)

 Thanks!

 Burns, W2BFJ

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[amsat-bb] Re: Need help to compile Gpredict

2011-11-02 Thread Joseph Armbruster
Oscar,

After reading the posts today I figured I would go home and take a quick stab 
at it.  Here is what I have done and my results so-far.  Total time for these 
steps was about 10 minutes (and my port upgrade is still running... 
grrr...)  Anyhow, hopefully this helps!  I'm going to step away from the 
computer for a bit, when I come back later, i'll report back on the result of 
my final run!

Joseph Armbruster, KJ4JIO


# grabbed gpredict-1.3.tar.gz from sf.net
tar -zxvf gpredict-1.3.tar.gz
./configure

# received an error:
#checking for XML::Parser... configure: error: XML::Parser perl module is 
required for intltool

sudo port install intltool
#… waited …
#ran into a dependency issue with p5.12-xml-parser
#Error: Dependency 'p5.12-xml-parser' not found.
#Error: Status 1 encountered during processing.
#fixed it with:
sudo port selfupdate
sudo port upgrade intltool
sudo port install intltool

#re-ran:
./configure

#received other errors:
#configure: error: Package requirements (gtk+-2.0 = 2.18.0 glib-2.0 = 2.22.0 
gthread-2.0 = 2.22.0 goocanvas = 0.15 libcurl = 7.19.0) were not met:
#No package 'goocanvas' found
#No package 'libcurl' found

sudo port install goocanvas

#completed without error

sudo port install libcurl

#completed without error

#re-ran:
./configure

#completed without error
#SUMMARY:
#Gpredict version... : 1.3
#Glib version... : 2.28.8
#Gio version : 2.28.8
#Gthread version : 2.28.8
#Gdk version : 2.24.7
#Gtk+ version... : 2.24.7
#GooCanvas version.. : 0.15
#Liburl version. : 7.22.0

#ran
make

#completed without error (took about 30 seconds to build on my 2.53Ghz Macbook 
Pro)

#tried to run it

cd src
./gpredict

#received this error:
#Xlib:  extension RANDR missing on display /tmp/launch-gueRnl/org.x:0.

sudo port upgrade outdated

#… this is taking forever right now, because I use ports quite a bit…
#… standby for more!




On Nov 1, 2011, at 6:23 PM, Oscar Vera wrote:

 Hello,
  
 I have been having problems to compile Gpredict on mac.  Is anyone gong to 
 the AMSAT meeting and could provide a little help to compile Gredict?
  
 thank you.
  
 o.
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[amsat-bb] Re: Need help to compile Gpredict

2011-11-02 Thread WA6FWF
looks like your RANDR issue is a known bug, looking out on the 
macports.org website



 What does 'Xlib: extension RANDR missing on display
 /tmp/launch-XX/:0' mean?¶
 
mailbox:///C%7C/Users/Kevin%20Schuchmann/AppData/Roaming/Thunderbird/Profiles/ezo1336t.default/Mail/Local%20Folders/Inbox.sbd/amsat-bb?number=2241226#randr

Many X11 programs try to use the RANDR extension, and print this warning 
when it is not available. The RANDR extension is not available in the 
Apple-provided X11 server in Snow Leopard and earlier. It is supported 
in XQuartz http://xquartz.macosforge.org 2.6.0 as well as the MacPorts 
X11 servers.


Unless you have a specific need for RandR functionality, this warning 
can be safely ignored.




On 11/2/2011 5:31 PM, Joseph Armbruster wrote:

Oscar,

After reading the posts today I figured I would go home and take a quick stab 
at it.  Here is what I have done and my results so-far.  Total time for these 
steps was about 10 minutes (and my port upgrade is still running... 
grrr...)  Anyhow, hopefully this helps!  I'm going to step away from the 
computer for a bit, when I come back later, i'll report back on the result of 
my final run!

Joseph Armbruster, KJ4JIO


# grabbed gpredict-1.3.tar.gz from sf.net
tar -zxvf gpredict-1.3.tar.gz
./configure

# received an error:
#checking for XML::Parser... configure: error: XML::Parser perl module is 
required for intltool

sudo port install intltool
#… waited …
#ran into a dependency issue with p5.12-xml-parser
#Error: Dependency 'p5.12-xml-parser' not found.
#Error: Status 1 encountered during processing.
#fixed it with:
sudo port selfupdate
sudo port upgrade intltool
sudo port install intltool

#re-ran:
./configure

#received other errors:
#configure: error: Package requirements (gtk+-2.0= 2.18.0 glib-2.0= 2.22.0 
gthread-2.0= 2.22.0 goocanvas= 0.15 libcurl= 7.19.0) were not met:
#No package 'goocanvas' found
#No package 'libcurl' found

sudo port install goocanvas

#completed without error

sudo port install libcurl

#completed without error

#re-ran:
./configure

#completed without error
#SUMMARY:
#Gpredict version... : 1.3
#Glib version... : 2.28.8
#Gio version : 2.28.8
#Gthread version : 2.28.8
#Gdk version : 2.24.7
#Gtk+ version... : 2.24.7
#GooCanvas version.. : 0.15
#Liburl version. : 7.22.0

#ran
make

#completed without error (took about 30 seconds to build on my 2.53Ghz Macbook 
Pro)

#tried to run it

cd src
./gpredict

#received this error:
#Xlib:  extension RANDR missing on display /tmp/launch-gueRnl/org.x:0.

sudo port upgrade outdated

#… this is taking forever right now, because I use ports quite a bit…
#… standby for more!




On Nov 1, 2011, at 6:23 PM, Oscar Vera wrote:


Hello,

I have been having problems to compile Gpredict on mac.  Is anyone gong to the 
AMSAT meeting and could provide a little help to compile Gredict?

thank you.

o.
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[amsat-bb] Re: DN80/DN81

2011-11-02 Thread gkcarr
I once stopped along a quiet road and started to operate. Soon I noticed a car 
pull behind me, so I figured he was curious and I'd be able to promote ham 
radio. Turns out, it was a
policeman. I had pulled off across the road from a prison and they were curious 
for other reason. He stayed with me during the pass and advised me not to be so 
quick to pull off...and be more mindful of my surroundings!
73
George
WA5KBH
-Original Message-
From: Rodney Waln kc0...@yahoo.com
Sent: Tuesday, November 1, 2011 19:51
To: amsat-bb@amsat.org amsat-bb@amsat.org
Subject: [amsat-bb] DN80/DN81

i operated from dn80/81 by Julesburg, CO off the side of the road,
those that would like a card just send the contact
information to my email and cards will be made up
thanks to those that worked me,
this weekend if the weather holds out i will operate from west of denver, co
kc0zhf
back in dn71
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