[amsat-bb] Re: Astronaut Neil Armstrong, first man to walk on moon, dies at age 82

2012-08-25 Thread Larry Gerhardstein
With no aggressive U.S. long range outer space plan in sight, with the 
passing of autronaut Neil Armstrong, this is truly a sad day. Who will 
be the next to walk in his boots?  An American?  Only providence knows.
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[amsat-bb] Re: IC 910H Hints?

2011-12-07 Thread Larry Gerhardstein
Joe, W7TYN, does birds and lives in Portland area.  Don't know what he 
runs.  I have a IC910H and SatPC32 but do not live in Portland area, 
rather in Montana.  Sorry, but I am not available for birder scheds 
right now.


73, Larry W7IN

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[amsat-bb] Re: Any way I can get AOS.EXE to run on Win7 64-bit?

2011-07-13 Thread Larry Gerhardstein
I suggest doing a right click on the exe, troubleshoot compatibility, 
try recommended settings, start the program.

73, W7IN

On 7/13/2011 7:49 AM, Bill Acito W1PA wrote:

I really like the simplicity of this program...  it does what I want.

I am relatively new to both Win 7 and 64-bit; is there a simple way
to get it running in this OS? A compatibility mode, or some sort of
emulator/wrapper?

Bill W1PA


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[amsat-bb] Re: CA Ham Plates - Warning!

2011-06-29 Thread Larry Gerhardstein
In  Washington state, this can not happen.  See their DOL personalized 
plate section.  Anything like K6LCS K6 LCS are reserved for ham 
operator plates and will not be issued for personalized.  Other states, 
including Montana, should adopt WA DOL's method of filtering ham call 
signs.  In Montana, we have seen personalized plates containing 
combinations of letters looking exactly like ham calls--to non-hams.

Larry W7IN, Plains MT
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[amsat-bb] Re: CA Ham Plates - Warning!

2011-06-29 Thread Larry Gerhardstein
George and Cheryl,

So who is complaining?  You?  Harvey and I signed using our call signs.  
I've never complained about hams getting more privileges, voice, WARC 
bands, digital modes, LF, etc.  Leaves more energy to be concerned about 
hams possibly loosing privileges.

73, Larry W7IN (57 years a ham op.)

On 6/29/2011 7:04 AM, George and Cheryl Abbott wrote:
 Why do you think that this is such a big deal?Sounds similar to the 
 old timers complaining about the granting of voice privileges for 
 novices back in the 80's.Get a life!

 -Original Message- From: H. Vordenbaum

 Harvey, K5HV
 Kerrville, TX


 Larry W7IN, Plains MT


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[amsat-bb] Re: CA Ham Plates - Warning!

2011-06-29 Thread Larry Gerhardstein
Who cares?  In the following scenario, I would care!  If I had the call 
sign N1OCL and I moved from Connecticut (or where ever) to Montana and 
then tried to get a ham plate for my vehicle, I would care.  I believe 
my application would be turned down by the Montana DOL, because the 
Montana license plate number N1OCL already belongs to someone else, a 
non-ham.  We know the problem exists for this call.  I've heard it also 
exists for others as well.  We suspect N1OCL is someone's airplane 
registration number and the guy got it as a personalized plate number.  
It perhaps is legal in Montana, but I still would be ticked off and yes, 
I would care.  Like I said in my first response to this thread.  This 
could NOT happen Washington state--see earlier post.

73, Larry W7IN

On 6/29/2011 10:26 AM, George and Cheryl Abbott wrote:
 The discussion thread appeared concern opposition to personalized 
 license tags resembling ham plates ,or legitimate ham plates being 
 used on multiple vehicles.Who cares!.

 Thanks for your efforts to preserve our bandwidths! I really need to 
 get back on the air.I'm still grieving the loss of AO13 and AO40.

 Regards, George W1GMA

 -Original Message- From: Larry Gerhardstein
 Sent: Wednesday, June 29, 2011 12:02 PM
 To: George and Cheryl Abbott
 Cc: H. Vordenbaum ; Clint Bradford ; AMSAT BB
 Subject: Re: [amsat-bb] Re: CA Ham Plates - Warning!

 George and Cheryl,

 So who is complaining?  You?  Harvey and I signed using our call signs.
 I've never complained about hams getting more privileges, voice, WARC
 bands, digital modes, LF, etc.  Leaves more energy to be concerned about
 hams possibly loosing privileges.

 73, Larry W7IN (57 years a ham op.)

 On 6/29/2011 7:04 AM, George and Cheryl Abbott wrote:
 Why do you think that this is such a big deal?Sounds similar to the 
 old timers complaining about the granting of voice privileges for 
 novices back in the 80's.Get a life!

 -Original Message- From: H. Vordenbaum

 Harvey, K5HV
 Kerrville, TX


 Larry W7IN, Plains MT




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[amsat-bb] Re: CA Ham Plates - Warning!

2011-06-29 Thread Larry Gerhardstein
If you have to apply for vanity to get ham letters on your plate, then 
they're not really ham call letter plates, are they, as they are in 
Montana and Washington.  I stand on all of my prior posts on this matter.

73 es SK, Larry W7IN
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[amsat-bb] Re: CA Ham Plates - Warning!

2011-06-29 Thread Larry Gerhardstein
In Montana the ham plates are free plus a small administrative fee.  In 
1955, there was a ham in the state legislature that got the bill entered 
and passed.  He wrote the free clause into his bill, and except for an 
administrative fee added later, it has stuck.  Montana was one of the 
first few states to get ham plates.  They're still manufactured at the 
state prison in Dillon MT.

Larry W7IN

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[amsat-bb] Re: Broadcasting

2011-06-07 Thread Larry Gerhardstein
So is transmitting for the benefit of a limited Amateur Radio community 
(those practicing APRS) the same as broadcasting to the general public?


73, DE W7IN - Larry

On 6/7/2011 12:24 PM, George Henry wrote:



I'm not understanding the legalities of beaconing
and  broadcasting.  Are they not the same.




No, they aren't, at least not here in the states.

Beaconing is defined by Part 97.3(a)(9) as transmissions ...for the purposes of
observation of propagation and reception or other related experimental
activities and is one of the few one-way transmissions allowed under the
rules.  A beacon station may not transmit concurrently on more than one
frequency, transmit with more than 100 watts output, nor be automatically
controlled below 28.200 MHz or outside the band segments defined in 97.203(d)
(except for the NCDXF/IARU HF beacon network, which operates under an FCC
waiver).


Broadcasting is defined by 97.3(a)(10) as Transmissions intended for reception
by the general public, either direct or relayed and is one of the prohibited
types of transmissions identified in 97.113.


George, KA3HSW

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[amsat-bb] Re: moon bounce

2011-06-04 Thread Larry Gerhardstein
If you are a EME beginner, contact a mega-station; I suggest W5UN.  He 
has something like 800 elements total in multi yagis, and 
polarizations.  For beginners, unless you have been doing lots of weak 
signal tropo, that is your best bet for 1st EME contact.   And for 
certain, get on the moon-net mail list.  Good luck.   ~Larry W7IN


On 6/4/2011 1:57 PM, Bill Dzurilla wrote:

The AMSAT board is not the best place for info about EME.  Try Moon Net, 
register at http://mailman.pe1itr.com/mailman/listinfo/moon-net.

You can find info for EME beginners at:
http://www.vhfdx.info/jt65bintro.html
and
http://www.n1bug.net/operate/emebasic.html

This is a good weekend for EME, but do not send at 145.00 and do not send 
PSK31.  The correct mode is JT65B, and most stations will be between 144.10 and 
144.16.

73, Bill NZ5N

On 04-Jun-11 17:37, jerry wrote:

Is this a good time for EME comm. ? Moon seems right

for it  , but never tried it . Is psk31 possible ? What
freq. ? Orbitron says 145.000 ? Going to send cq throughout
the day via PSK 31 on 145.000. Maybe a waste of time .

Jerry WB5LHD

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[amsat-bb] Re: ISS visable

2011-01-03 Thread Larry Gerhardstein
My 5500 az/el does the same thing.

Larry W7IN

On 1/2/2011 6:53 PM, Bob- W7LRD wrote:

 Happy New Year

 I just watched the ISS pass over Seattle.  Always glad to help!  I was 
 watching my satellite array track the ISS and noticed how jerky it is every 
 time it increments.  I have a 5400 az/el with LVB tracker.  Made me wonder if 
 I could get more life out of the rotors if there were a soft start of sorts 
 for the rotors.  The bouncing back and forth with each adjustment  made me 
 think the gears are getting a workout.

 73 Bob W7LRD

 Seattle
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[amsat-bb] Re: Tracking Software

2010-11-30 Thread Larry Gerhardstein
It would be great if keps were like nasa.all, et. al.  Just click a 
couple of times and BOOM IT'S THERE, latest update.

~W7IN Larry

On 11/30/2010 12:31 PM, Bob- W7LRD wrote:

 Satpc32 from AMSAT, has excellent after purchase support, AMSAT gets all the 
 money (rocket science ain't) cheap, the learning curve is easy, runs my LVB 
 tracker perfectly.  The only problem I have is entering new keps that aren't 
 already in the downloadable database.

 73 Bob W7LRD

 Seattle





 - Original Message -
 From: Michaelmikef1...@buckeye-express.com
 To: AMSAT-BB@amsat.org
 Sent: Tuesday, November 30, 2010 5:36:29 AM
 Subject: [amsat-bb]  Tracking Software

 I was wondering if someone could give me the pros and cons of the tracking 
 software. I have orbitron, the one from amsat ( can't think of the name ) 
 then I see ARRL has a software. What are the pro's and cons on these three 
 and are there more ?
 Mike   N8GBU
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[amsat-bb] Re: AO-51 short experiment

2010-10-24 Thread Larry Gerhardstein
No one 'owns the frequency' and if in-place coordination can not resolve 
the issue, the newest user should consider moving out of the required 
bandpass.  Was the first user ever coordinated?  ~~Larry W7IN~~


On 10/24/2010 2:45 PM, Alan P. Biddle wrote:

Bob,

145.825 is the established space APRS frequency, and has been/is used by
more than just the ISS for years.  There are other APRS satellites which are
intermittently active on the same frequency, and I expect there will be
others in the future.  I can't address the formal coordination issue, but
anything with an uplink on that frequency is guaranteed to have problems.
The only question is whether those problems are tolerable.  There is little
to no APRS activity on that frequency over most of the world, and then there
is the question of both HO-68 and the ISS being in the same footprint.  The
HO-68 has an inclination of about 102 degrees, the ISS about half that.
Finally, the ISS is not active on that frequency 24/7.  It operates on other
frequencies for voice and SSTV, and is often QRT completely due to other
operations.  In an imperfect world, it looks like a reasonable tradeoff,
though other evaluations are certainly possible.

The problem of unattended APRS beacons does cut both ways.  There are some
daylight-only APRS satellites.  When they enter periods of extended
illumination, they can be commanded from their default modes.  However, even
a single braaap can pull the DC busses low enough that the command
stations need to start over again.  WB4APR has lamented this problem, with
specific calls, in other venues.  Looking at some of the paths, both in
Drew's example and my reception, there are stations whose paths have not
been updated for years.

The sort of courtesy/coordination issue is not limited to space operations.
A ham relatively local to me fired up a propagation beacon on 30 meters this
month.  It is/was within 200 HZ of an APRS frequency which has been in use
for some time.  Quite a fight over who owns the frequency.  ;)

Alan
WA4SCA




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[amsat-bb] coaxial relay

2010-10-19 Thread Larry Gerhardstein
Can anyone recommend coaxial phase switching relays that will work with 
the M2 crossed beams?


73, Larry W7IN
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[amsat-bb] Re: ISS keps

2010-09-22 Thread Larry Gerhardstein
I checked against http://iss.astroviewer.net/.  Today issue is better, 
however, still actual ISS posn about 100 miles ahead of SatPC32's 
displayed posn.  My computer clock is off by no more than 1 second.  For 
the clock to throw posn off by 100 miles, clock would need to be in 
error by about 15 seconds.


Larry W7IN

On 9/20/2010 5:44 PM, Larry Gerhardstein wrote:

   Is there a special or alternate keps for ISS?  Today I listened to
NA1SS and when Col. Doug reported a QTH of North Dakota, my SatPC32 was
displaying them at about Indiana.  Still was able to copy them over my
12 degree hill when SatPC32 was reporting them over the Atlantic coast
line.  I had just done an update.
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[amsat-bb] Re: ISS keps

2010-09-21 Thread Larry Gerhardstein
  Dave, Trouble is, I could still hear them when ISS had dropped behind 
my hill and also when the footprint was way beyond my QTH.  When I go 
back out to my radio barn, I'll check my time sync.  ~Larry

On 9/21/2010 5:10 AM, Dave Taylor wrote:
 I noticed that over the weekend.  He reported being over the junction
 of Lakes Huron and Erie, when the tracking program showed him over the
 east coast.  I think he's just looking out the window at an angle
 rather than straight down.


 Dave Taylor, W8AAS
 ARISS team member
 AMSAT #8974


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[amsat-bb] ISS keps

2010-09-20 Thread Larry Gerhardstein
  Is there a special or alternate keps for ISS?  Today I listened to 
NA1SS and when Col. Doug reported a QTH of North Dakota, my SatPC32 was 
displaying them at about Indiana.  Still was able to copy them over my 
12 degree hill when SatPC32 was reporting them over the Atlantic coast 
line.  I had just done an update.
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[amsat-bb] Re: need help with satpc32 on windows 7

2010-09-19 Thread Larry Gerhardstein
Mine is V12.8a.  Try downloading that version.  If still having problem, 
come back here.


Larry W7IN

On 9/19/2010 7:16 PM, ryan woods wrote:

Ok still need help trying to install satpc32 ver12.6 on win7 home I cant even
run it as admin it keeps saying I need a 64bit version.



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[amsat-bb] Re: need help with satpc32 on windows 7

2010-09-17 Thread Larry Gerhardstein
  Try right clicking on the SatPC Install EXE and then select run as 
administrator.  If that does not work, keep asking here.  The Win7 
questions have been asked and answered many times, so checking the 
archives may also help.  I now run Win7 but had many issues to solve.  
Good luck.

Larry W7IN

On 9/17/2010 5:59 AM, ryan woods wrote:
 Hi all

 I need help I got satpc32 back in 2007-08 but just had to get a new computer 
 due
 to hard drive failure and the new computer wont let me install satpc32 Im
 running win 7 home for the os.


 thanks for the help 73 de kd8atf



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[amsat-bb] G-5500 bugs

2010-09-02 Thread Larry Gerhardstein
My G-5500 AZ rotor is up to its old tricks.  It is reading out the wrong 
angle clear across the entire range of motion.  At physical north, it 
reads about 40 degrees and everywhere else noisy between 100 and 400 
degrees.  I assume a bad pot.  Can someone guide me to the instructions 
for disassembling the rotor and fixing this problem?


Larry W7IN
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[amsat-bb] Re: G-5500 bugs

2010-09-02 Thread Larry Gerhardstein
More on this.  Last I send an item to Yaesu to fix, they kept it 3 
months and did not fix the problem.  I'd prefer to tackle it myself if 
possible.


On 9/2/2010 1:55 PM, Larry Gerhardstein wrote:
My G-5500 AZ rotor is up to its old tricks.  It is reading out the 
wrong angle clear across the entire range of motion.  At physical 
north, it reads about 40 degrees and everywhere else noisy between 100 
and 400 degrees.  I assume a bad pot.  Can someone guide me to the 
instructions for disassembling the rotor and fixing this problem?


Larry W7IN


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[amsat-bb] Re: SatPC32 stopped working!

2010-06-22 Thread Larry Gerhardstein
Erich, If I do a file explorer search for kepler, I see the AppData 
folder.  However, in SatPC32 I do not see AppData in c:\Users\Owner, 
even if I run SatPC32 as Administrator.  So I can not get at nasa.all in 
the _normal_ manner.  ~Larry W7IN


On 6/22/2010 12:27 AM, Erich Eichmann wrote:

Hello Larry,
when you get the error message (No source file was found ) click 
on OK
in the message window. A dialog window will open (the Windows Open 
dialog).
In the dialog window navigate to the folder that contains your  
SatPC32 Keps
files, normally the sub folder Kepler.  Under XP the path to that 
folder

will usually be C:\Documents and Settings\Username(i.e. your
name)\Application Data\SatPC32\Kepler. Select a data file, for example
nasa.all, and click on Open.  To store the path and filename open 
the menu

'Satelliten' and click on the 'OK' - button.

55 + 73s, Erich, DK1TB



- Original Message - From: Larry Gerhardstein 
w...@montana.com

To: AMSAT BB amsat-bb@amsat.org
Sent: Tuesday, June 22, 2010 12:09 AM
Subject: [amsat-bb] SatPC32 stopped working!



My SatPC32 stopped working.  I get an error message Warnung: No source
file was found for group Standard.  Please select a source file for this
group after the 'OK'.  IMPORTANT: In orcer to store the filename for
later starts open the menu 'Satelliten' and click on the 'OK' - button.

The SatPC32 application sort of comes up but there is nothing in its
window.

What am I supposed to do?  SatPC32ISS gives the same problem with the
word 'ISS' substituted for 'Standard'.  Should I reinstall?

Larry W7IN





 





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[amsat-bb] Re: SatPC32 stopped working!

2010-06-22 Thread Larry Gerhardstein
Erich,  FIXED.  For whatever reason, Windows 7 hides many of the files 
and folders in AppData, including the AppData folder.  What I did was to 
search for Kepler, opened that folder, and then entered by hand 
'nasa.all'.  That seems to have fixed the problem.  So why did it get 
messed up in the first place?  We had a power outage the day this 
happened.  Maybe SatPC32 had the folders/files open when the power 
glitched and left the files in a critical state.  I might suggest 
opening the file(s) and leave a copy in memory, then close the file (if 
that is even the case).  If I think to, I always download a new keps 
when I begin operation, but I have not thought to restart SatPC32 
afterward.  Please comment. Thanks much for the help.  I've _got_ to get 
a good UPS for my station computer.


~Larry W7IN

73, Larry W7IN

On 6/22/2010 2:34 PM, Erich Eichmann wrote:
Larry, I don't know why you don't see the Application Data folder. You 
can
also navigate to the folder Kepler  from the SatPC32  menu File, 
Open.


If nothing helps uninstall SatPC32 and re-install it.

55+ 73s, Erich, DK1TB

- Original Message - From: Larry Gerhardstein 
w...@montana.com

To: Erich Eichmann erich.eichm...@t-online.de
Cc: amsat-bb@amsat.org
Sent: Tuesday, June 22, 2010 9:14 PM
Subject: Re: [amsat-bb] SatPC32 stopped working!



Erich, If I do a file explorer search for kepler, I see the AppData
folder.  However, in SatPC32 I do not see AppData in c:\Users\Owner,
even if I run SatPC32 as Administrator.  So I can not get at nasa.all in
the _normal_ manner.  ~Larry W7IN

On 6/22/2010 12:27 AM, Erich Eichmann wrote:

Hello Larry,
when you get the error message (No source file was found ) click
on OK
in the message window. A dialog window will open (the Windows Open
dialog).
In the dialog window navigate to the folder that contains your
SatPC32 Keps
files, normally the sub folder Kepler.  Under XP the path to that
folder
will usually be C:\Documents and Settings\Username(i.e. your
name)\Application Data\SatPC32\Kepler. Select a data file, for example
nasa.all, and click on Open.  To store the path and filename open
the menu
'Satelliten' and click on the 'OK' - button.

55 + 73s, Erich, DK1TB



- Original Message - From: Larry Gerhardstein
w...@montana.com
To: AMSAT BB amsat-bb@amsat.org
Sent: Tuesday, June 22, 2010 12:09 AM
Subject: [amsat-bb] SatPC32 stopped working!


My SatPC32 stopped working.  I get an error message Warnung: No 
source
file was found for group Standard.  Please select a source file for 
this

group after the 'OK'.  IMPORTANT: In orcer to store the filename for
later starts open the menu 'Satelliten' and click on the 'OK' - 
button.


The SatPC32 application sort of comes up but there is nothing in its
window.

What am I supposed to do?  SatPC32ISS gives the same problem with the
word 'ISS' substituted for 'Standard'.  Should I reinstall?

Larry W7IN





 






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[amsat-bb] Re: SatPC32 stopped working!

2010-06-22 Thread Larry Gerhardstein
Peter et.al., SatPC32 screen was blank.  No world map at all.  No 
nothing |:^]

~Larry W7IN

On 6/22/2010 4:20 PM, Peter Scheller wrote:

Larry,

I did not get back to you because of Erich's post. He said
exactly what I tried to convey to you, just in much more detail.

Regardless of operating system used, SatPC 32 behaves much the
same. My question however is: What did you see when you brought
up SatPC32? The world map? Please answer that for me. The way you
fixed your problem was not wrong, by any means. You just done it
the hard way. Good to hear that you are back up. Maybe we can have
a chat about SatPC32 on one of the birds.

Aloha from Hawaii
Peter, NH6VB

 Date: Tue, 22 Jun 2010 15:50:06 -0600
 From: w...@montana.com
 To: erich.eichm...@t-online.de; amsat-bb@amsat.org
 Subject: [amsat-bb] Re: SatPC32 stopped working!

 Erich, FIXED. For whatever reason, Windows 7 hides many of the files
 and folders in AppData, including the AppData folder. What I did was to
 search for Kepler, opened that folder, and then entered by hand
 'nasa.all'. That seems to have fixed the problem. So why did it get
 messed up in the first place? We had a power outage the day this
 happened. Maybe SatPC32 had the folders/files open when the power
 glitched and left the files in a critical state. I might suggest
 opening the file(s) and leave a copy in memory, then close the file (if
 that is even the case). If I think to, I always download a new keps
 when I begin operation, but I have not thought to restart SatPC32
 afterward. Please comment. Thanks much for the help. I've _got_ to get
 a good UPS for my station computer.

 ~Larry W7IN

 73, Larry W7IN

 On 6/22/2010 2:34 PM, Erich Eichmann wrote:
  Larry, I don't know why you don't see the Application Data folder. 
You

  can
  also navigate to the folder Kepler from the SatPC32 menu File,
  Open.
 
  If nothing helps uninstall SatPC32 and re-install it.
 
  55+ 73s, Erich, DK1TB
 
  - Original Message - From: Larry Gerhardstein
  w...@montana.com
  To: Erich Eichmann erich.eichm...@t-online.de
  Cc: amsat-bb@amsat.org
  Sent: Tuesday, June 22, 2010 9:14 PM
  Subject: Re: [amsat-bb] SatPC32 stopped working!
 
 
  Erich, If I do a file explorer search for kepler, I see the AppData
  folder. However, in SatPC32 I do not see AppData in c:\Users\Owner,
  even if I run SatPC32 as Administrator. So I can not get at 
nasa.all in

  the _normal_ manner. ~Larry W7IN
 
  On 6/22/2010 12:27 AM, Erich Eichmann wrote:
  Hello Larry,
  when you get the error message (No source file was found ) 
click

  on OK
  in the message window. A dialog window will open (the Windows Open
  dialog).
  In the dialog window navigate to the folder that contains your
  SatPC32 Keps
  files, normally the sub folder Kepler. Under XP the path to that
  folder
  will usually be C:\Documents and Settings\Username(i.e. your
  name)\Application Data\SatPC32\Kepler. Select a data file, for 
example

  nasa.all, and click on Open. To store the path and filename open
  the menu
  'Satelliten' and click on the 'OK' - button.
 
  55 + 73s, Erich, DK1TB
 
 
 
  - Original Message - From: Larry Gerhardstein
  w...@montana.com
  To: AMSAT BB amsat-bb@amsat.org
  Sent: Tuesday, June 22, 2010 12:09 AM
  Subject: [amsat-bb] SatPC32 stopped working!
 
 
  My SatPC32 stopped working. I get an error message Warnung: No
  source
  file was found for group Standard. Please select a source file for
  this
  group after the 'OK'. IMPORTANT: In orcer to store the filename for
  later starts open the menu 'Satelliten' and click on the 'OK' -
  button.
 
  The SatPC32 application sort of comes up but there is nothing 
in its

  window.
 
  What am I supposed to do? SatPC32ISS gives the same problem 
with the

  word 'ISS' substituted for 'Standard'. Should I reinstall?
 
  Larry W7IN
 
 
 
 
  
 


 
 
 
 
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[amsat-bb] SatPC32 stopped working!

2010-06-21 Thread Larry Gerhardstein
My SatPC32 stopped working.  I get an error message Warnung: No source 
file was found for group Standard.  Please select a source file for this 
group after the 'OK'.  IMPORTANT: In orcer to store the filename for 
later starts open the menu 'Satelliten' and click on the 'OK' - button.


The SatPC32 application sort of comes up but there is nothing in its window.

What am I supposed to do?  SatPC32ISS gives the same problem with the 
word 'ISS' substituted for 'Standard'.  Should I reinstall?


Larry W7IN

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[amsat-bb] HO-68 question

2010-06-18 Thread Larry Gerhardstein
Sometimes when HO68 is not advertised by Alan to be ON, I can hear 
myself on the down-link frequency.  Why is that.  Is the sat really ON, 
or am I hearing intermod in my own equipment?  BTW, this was during a 
near overhead pass.


Tnx, Larry W7IN
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[amsat-bb] My $0.02 worth

2010-06-17 Thread Larry Gerhardstein
I don't feel a bit sorry for those who gripe on this BB about there not 
being enough HEO birds, too many FM birds (operators), not enough linear 
transponders, or the like.  Yesterday, I encountered a nice FO-29 pass 
with maxEL about 60 degrees here at my QTH.  I heard no one, yet I could 
hear my CW/SSB downlink signal from the bird loud and clear.  For awhile 
the footprint covered the entire 48 state region.  I thus called CQ for 
nearly 15 minutes, but no one (that's zero, na-da) came back to my calls.


Then later there was a good VO-52 pass and I did manage to work N6PAA, 
very good clear SSB signals both ways.  But during the 10-15 minutes of 
that pass, I heard no one else in a QSO or calling CQ etc.


I think before we start making complaints about the current state of 
affairs, we seriously consider making use of those resources we do have 
at present.  And then make a financial donation to the various AMSAT's 
and teams working to make future birds possible.  We all want another 
HEO with lots of modes/bands, but complaining will not make one 
magically appear.


73, Larry W7IN, DN27, Plains Montana.
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[amsat-bb] Re: First QSO

2010-06-07 Thread Larry Gerhardstein
WB8ZOM Don,  Congrats to you!!  I'll always recall my first satellite 
QSO.  It was with KA4KYI 2+ years ago.  I was using my HF/VHF/UHF mobile 
station for those early contacts.  It grows on you; I now have automated 
xcvr and rotor steering on 2M and 70CM and am getting ready to erect 
antennas for 1.2G and 2.4G.  Hope to work you soon.

73, Larry W7IN, DN27 Montana
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[amsat-bb] Re: SatPC32 with 64 bit VISTA

2010-05-19 Thread Larry Gerhardstein
Jeff,

I have SatPC32, G-5500 Yaesu AZ/EL rotors working together on 64-bit 
Windows 7--but not via a USB interface.  I am using a PCI board--2 Port 
serial card to drive both Yaesu rotots and Icom IC910H and a driver 
compatible with Win7.  The board cost $20 and the driver $0.00.  Far far 
less than the USB to Serial box I purchased along the way.

All info on difficulties I had with my set up, including labors with 
USB, were posted on this list within the past month or so.  Contact me 
via BB or Off-List for more details.

The bad news is either Vista or Windows 7 64-bit MUST have drivers which 
were designed and coded for 64-bit operation.  Even though numerous 
listers and vendors suggested I use the 32-bit drivers with Win7... They 
did not work for me, and based on what I read on other news groups, I 
believe many many others have had the same problems with USB to Serial 
interfaces and other kinds of USB gadgets in the 64-bit Windows o/s's.

Larry W7IN Plains, Montana

On 5/19/2010 7:10 PM, Jeff KB2M wrote:
 I'm trying to help a new SAT op get his 64 bit VISTA laptop running with
 SatPC32, LVB Tracker Box(USB), and a Yaesu az el rotor. Does anyone have all
 of this running on a 64 bit VISTA machine?

 73 Jeff kb2m


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[amsat-bb] Re: PC clock

2010-05-09 Thread Larry Gerhardstein
Thanks all for the many many replies, (almost too many to count) both 
here and off-list, to my post about PC time being in error.  After 
considering many, I have taken the advice of Mike DK3WN and Alan VE4YZ 
and performed the registry edit they both recommended.  I have my PC now 
updating time once every hour, a 3600 second delta.  So far, my PC time 
is no more than one second off compared to WWV time.  I do not like 
messing with the windows registry, but in this case, it was sound 
advice.  Tnx and 73,

Larry W7IN in DN27, Plains Montana

On 5/8/2010 5:13 PM, Larry Gerhardstein wrote:
 Some of the internet time syncing tools recommended are not compliant
 with Win 7 64-bit O/S.  I will not be chasing those further and hope to
 edit the time sync service that already exists in Win 7.

 Larry W7IN

 On 5/8/2010 2:48 PM, Larry Gerhardstein wrote:

 My PC's clock keeps getting off by enough to cause problems on near
 overhead passes.  I've seen it off by more than 30 seconds.  It is using
 Internet synchronization, which happens once a week.  Is there a way to
 force Windows 7 to automatically update clock more frequently than once
 per week.  Please don't tell me to monkey with the Windows Registry.  I
 know PC clocks are notoriously inaccurate, but this is ridiculous.

 Larry W7IN
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[amsat-bb] Re: PC clock

2010-05-09 Thread Larry Gerhardstein
Greg,

During the process of getting a serial port interface that worked 
properly with W7-64b, I experienced a myriad of system crashes.  This is 
possibly why my clock got off by about +30 seconds.  I often check my 
PC's clock against the WWV clock on my wall, especially when tracking 
birds.  It's now on to within a second.  If it got off by more than 2 or 
3, I'd want to corrected it; the problem is not Doppler, it's a near 
overhead pass (that's when I discovered the PC time error).  Plus, I 
want correction automatic and not have to mess with it for a long time.  
I believe the once-a-week default in Win7 for syncing PC time with 
Internet server time is too loose.  Once a day or even once an hour 
seems better to me.

73, Larry W7IN

On 5/9/2010 7:05 PM, Greg D. wrote:
 Hi Larry,

 I know PC clocks are not all that accurate, but we're talking seconds 
 per month.  Needing to update a clock more often than that probably 
 isn't due to the PC hardware.  I've never had one be off this much 
 unless the clock battery was dead, and any PC new enough to run Win-7 
 isn't going to have that issue.  I would suspect that there is a some 
 software you are running that is messing it up.  Back in the DOS days, 
 this was a common occurrence, and I'm surprised to hear about it under 
 something more modern, but my gut feel tells me that is what is happening.

 Maybe a device driver or something else low-level.  Try booting 
 something else (a Live CD of Linux, for example) to prove the 
 hardware is good.  Go back to Windows piece by piece.  If you can 
 figure out which it is, then this whole idea of applying bandaids can 
 go away.

 Just a thought,

 Greg  KO6TH

snip

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[amsat-bb] Re: PC clock

2010-05-08 Thread Larry Gerhardstein
Some of the internet time syncing tools recommended are not compliant 
with Win 7 64-bit O/S.  I will not be chasing those further and hope to 
edit the time sync service that already exists in Win 7.

Larry W7IN

On 5/8/2010 2:48 PM, Larry Gerhardstein wrote:
 My PC's clock keeps getting off by enough to cause problems on near
 overhead passes.  I've seen it off by more than 30 seconds.  It is using
 Internet synchronization, which happens once a week.  Is there a way to
 force Windows 7 to automatically update clock more frequently than once
 per week.  Please don't tell me to monkey with the Windows Registry.  I
 know PC clocks are notoriously inaccurate, but this is ridiculous.

 Larry W7IN
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[amsat-bb] thanks

2010-05-07 Thread Larry Gerhardstein
Greetings,

I want to thank all of the good folks who helped me get my satellite 
station on the air.  This has been a process since about last fall.  We 
were gone during the winter and restarted the project when I returned 
home.  I'd like to recognize W4AS, K7WIN, PE0SAT, KB7ADL, K0VTY, N6NKF, 
Scott Hagerman (non ham), AA5PK, K6LCS, G8IFF, certainly others ... and 
most of all Erich DK1TB, author of SatPC32, who spent much time 
researching drivers, answering questions, and attempting to duplicate 
problems I have been having.

A few lessons learned... from all this.

1) Don't jump to conclusions.  My rotor control spent about 3 months at 
Yaesu service only to learn nothing wrong with it.  The technician at 
Yaesu never suggested the trouble could be fixed by optical isolation of 
the RS232 line going to the rotor control box.

2) Do not assume the nature of a RS232 cable.  Use an ohm meter and 
determine if it is good or bad, straight through or cross-over or 
null-modem.  If I had started out using the ohm meter on my cables, that 
would have saved me much time and frustration.  Both GS-232 and CI-17 
call for straight through serial cables.  I made the mistake of using 
two null modem cables; unfortunately I did not know they were not 
straight through until later when I thought to use an ohm meter.

3) Don't assume you can construct a straight through RS232 cable by 
connecting two null modem cables in series.  This may work, and it may not.

4) Before installing optical isolators in the RS232 lines, make certain 
the devices are compliant with the isolators.  I tried optical isolation 
in both the rotor control and the rig control lines.  An isolation 
device between computer and GS232 rotor interface was needed.  However, 
the CI-17 does not like them.

5) The optical isolators from CF that I used seem to have polarity.  
Make certain the female end of the isolator is against the computer's 
male connector.  Do not turn the isolator around and use sex-changers 
between computer and isolator.  This was just a random thing I tried 
it did not work.

6) When running into difficulty as I did, document everything.  I kept 
repeating the same trials over and over, wasting time, and about driving 
myself to madness.

7) In my opinion when using Windows 7 of Vista 64-bit, only install 
drivers designed for those systems.  Drivers for 32-bit are not reliable 
in 64-bit applications and may cause the computer to crash to blue screen.

8) Before ordering USB to serial conversion devices make certain the 
drivers that come with those gadgets are compatible with the computer 
operating system you plan to use.  Many days after I received my KeySpan 
device, I called Tripp Lite.  The sales person there told me they do not 
presently have a 64-bit driver for the USA49WG.  Wish I had known that.

9) Make sure the baud rate in the transceiver matches the baud rate 
being set up in the CAT setup menu.  If you can affort it, get a RS232 
serial data analyzer.  I downloaded the free version of 232Analyzer.  
Full version is about $140.  232Analyzer helped a lot and allowed me to 
see both data transmitted and received.  This led me to the mismatched 
baud rates in the ICOM and SatPC32.

These are the issued I stumbled on.  Different computer hardware, 
different ham gear, different operating systems may produce different 
results.  Beware of Murphy.

73, Larry W7IN

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[amsat-bb] Re: USB to Serial Converters

2010-05-05 Thread Larry Gerhardstein
I used USB to Serial converters on a XP laptop successfully.  But the XP 
laptop died and I now have Windows 7 64-bit.  I have had no luck with 
USB to serial on this one.  See the multitude of my posts to this list.

Larry W7IN

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[amsat-bb] Re: Hardware or software problems?

2010-05-02 Thread Larry Gerhardstein
Glenn, Where do you see this?  I went to 
http://www.microsoft.com/windows/virtual-pc/download.aspx and entered 
Windows 7 Home Premium 64-bit.  Immediately came up You are not 
eligible to download Windows XP Mode.  You must have Windows 7 
Professional, Enterprise, or Ultimate to run Windows XP Mode. To upgrade 
visit Windows 7 Anytime Upgrade 
http://windows.microsoft.com/en-us/windows7/products/windows-anytime-upgrade. 
  Clicked in there.  Upgrades are $200 and more.

73, Larry W7IN

On 5/1/2010 9:10 PM, Glenn AA5PK wrote:
 It's a free download compatible with Home Premium 32- and 64-bit.

 Just a thought.

 - Original Message - From: Larry Gerhardstein 
 gerhardst...@montana.com
 To: Glenn AA5PK aa...@suddenlink.net
 Cc: AMSAT BB amsat-bb@amsat.org
 Sent: Saturday, May 01, 2010 8:11 PM
 Subject: Re: [amsat-bb] Re: Hardware or software problems?


 I have Windows 7 Home Premium.  I believe I would need to upgrade to 
 something different in order to run XP virtual.  If the $20 PCI card 
 works, that is cheaper.

 Larry

 On 5/1/2010 6:50 PM, Glenn AA5PK wrote:
 Larry,

 If you still suspect it's an OS issue, downloading XP Mode for 
 Windows 7 may solve the problem.

 http://www.microsoft.com/windows/virtual-pc/download.aspx

 It may be worth having in any case.

 Glenn AA5PK




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[amsat-bb] Re: Keyspan Acquired by TrippLite

2010-05-02 Thread Larry Gerhardstein
Since I am the one being quoted below, I feel compelled to reply to the 
pseudo-flames.  I don't give a rip about KeySpan's or Tripp-Lite's 
market strategy; only whether they are going to continue support of 
their legacy product.  If you all wish to have a discussion about 
market strategy, let's talk about Microsoft's.  That will _really_ get 
some discussion going.

73, Larry W7IN

On 5/2/2010 12:26 PM, Clint Bradford wrote:
 ... as I can tell they DO NOT have a Windows 7 driver for the KeySpan ...

 Keyspan seemed optimistic when they were acquired in May, 2008 by TrippLite:

 We at Keyspan have created a strong brand name associated with high quality 
 products, said Mike Ridenhour, Keyspan President. We're pleased that Tripp 
 Lite will continue providing Keyspan's customers with the reliable products 
 they expect, world-class service and support and unmatched channel loyalty. 
 The combination of the Tripp Lite and Keyspan brands under the umbrella of 
 Tripp Lite will provide increased efficiency by streamlining production, 
 distribution and shipping.

 I have no idea if the Keyspan development team is still working on their old 
 product line or not.

 Clint, K6LCS





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[amsat-bb] Re: Hardware or software problems?

2010-05-01 Thread Larry Gerhardstein
Thanks to all who have answered both on and off the list.  I have had my 
sat station working on a prior computer, an XP laptop, not with the 
KeySpan but with one serial adapter cable plus the real serial 
interface in that computer.  I've not tried those on the Win7's.  I no 
longer have the XP's; they both died this past winter.

Interfaces are the GS232 from Yaesu, and the CT-17 level converter from 
ICOM.

Though I have a lot of stuff on USB, 4 ports out of 6 total, I have 
tested with only the KeySpan attached.

I will try the alternate programs suggested off-list.

I may try the real serial interface approach--a good idea.  Though I 
live in a small town, there is a computer geek who lives nearby me.  I 
have at least one salvaged serial port interface from a previous 
computer.  I have another junked computer that possibly has one in it 
also.  I'll check that out.

I will get the additional information from the crash screen and display 
here.

73, Larry

On 5/1/2010 1:45 AM, Erich Eichmann wrote:
 Larry,
 I will answer your mail off the list.
 73s, Erich, DK1TB




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[amsat-bb] Re: Hardware or software problems?

2010-05-01 Thread Larry Gerhardstein
Win7 can run an executable in compatibility mode.  I let it figure out 
which one to use and it chose XP S/P 2.  Even so, the computer crashed 
anyway.

I am investigating driver options and other serial interfaces.

Larry W7IN


On 5/1/2010 8:11 AM, N9IJ wrote:
 Another possible option is to go back to XP. It was my understanding that new 
 machines with Vista could be licensed to revert to XP, though MS is stopping 
 XP support. Dunno if this applies to Win7 as well.  Good luck with it, I will 
 return to my iMac and MacDoppler...sorry, couldn't resist. I do use XP 
 still...


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[amsat-bb] Re: Hardware or software problems?

2010-05-01 Thread Larry Gerhardstein
Here is the crash screen essential info...

DRIVER_IRQL_NOT_LESS_OR_EQUAL
STOP: 0x00D1 (0x0068, 0x0002, 
0x0001, 0xF88004FC2EF1)
USA49WGx64p.SYS
Address: F88004FCEF1 base at F88004FC2000, Datestamp 45cc305b

Clearly, this crash occurred inside the KeySpan USA-49WG device driver.  
The downloaded driver is for Vista, not Win7.  This may be the problem.  
I will call Tripp-Lite on Monday when they are open.  I also will 
purchase the 2 serial port PCI interface ($20) that I found on the 
Internet.  It is plug-n-play and utilizes only one IRQ slot.  We'll give 
that a go and see what happens.

If anyone knows of a Win7 driver for the KeySpan adapters, please let me 
know where to find them.

I have read via google that drivers for Vista may or may not work well 
in Win7.  Symptoms are computer locking up, computer crashing, device 
malfunction, incorrect data being sent or received, and others.  I've 
seen both crash and data malfunction.

Someone suggested I go back to XP; thanks for the advice.  If I still 
had an XP computer, I'd gladly try it.  But both of my XP boxes died 
last winter and I replaced both of them with Win7 computers.  Unless 
someone donates a working XP box to me, I'm sticking with Win7.

Manual control of the two rotors and the Doppler is out of the 
question.  I tried it and managed one contact, I forget which bird.  But 
then the bird's AZ/EL shifted and I never found it again.

Onward!

73, Larry W7IN -- DN27 -- Plains, Montana

On 5/1/2010 4:39 AM, Larry Gerhardstein wrote:
 Thanks to all who have answered both on and off the list.  I have had my
 sat station working on a prior computer, an XP laptop, not with the
 KeySpan but with one serial adapter cable plus the real serial
 interface in that computer.  I've not tried those on the Win7's.  I no
 longer have the XP's; they both died this past winter.

 Interfaces are the GS232 from Yaesu, and the CT-17 level converter from
 ICOM.

 ...

 I may try the real serial interface approach--a good idea.  Though I
 live in a small town, there is a computer geek who lives nearby me.  I
 have at least one salvaged serial port interface from a previous
 computer.  I have another junked computer that possibly has one in it
 also.  I'll check that out.

 I will get the additional information from the crash screen and display
 here.

 73, Larry

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[amsat-bb] Re: Hardware or software problems?

2010-05-01 Thread Larry Gerhardstein
Franklin, Thanks for the advice.  I also checked their web page.  So far 
as I can tell they DO NOT have a Windows 7 driver for the KeySpan.  Yes, 
awful.  I'll call them on Monday when they're open again.  If they can 
not offer up a driver for W-seven, I'm going to give them heck and then 
ask them to take the KeySpan back.

I'll then get a 2 port PCI to serial interface for the Inspiron.  I can 
get one for about $20.

http://www.usconverters.com/index.php?main_page=indexcPath=69

73, Larry W7IN

On 5/1/2010 5:40 PM, Franklin Antonio wrote:
 At 06:58 PM 4/30/2010, Larry Gerhardstein wrote:

 I have a Keyspan 4-port USB to RS232 box with optical isolators from
 CommFront
  
 It seems most likely that you have defective driver software for the
 USB device.  That's the most likely cause of this sort of a crash.

 I suggest you go to Keyspan's web site and attempt to find the very
 latest driver.  Their web site has a support tab with a downloads
 submenu, and finally a software/drivers page.  Install the latest
 driver and try again.

 One hangup.  I just checked their website, and it appears that they
 have NO drivers listed for windows 7.  Perhaps you should call their
 support folks and ask about this.  If they've never tested with Win7,
 or have known problems, then you may need to give 'em hell.  If you
 can't get a driver they've specifically tested with Win7, then they
 are officially weenies.  At that point you should at least try the
 very latest Vista driver.

 If that doesn't help, buy a different brand.  To have the best chance
 of something that works right, buy the brand which you believe sells
 in the very highest volume.
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[amsat-bb] Re: Hardware or software problems?

2010-05-01 Thread Larry Gerhardstein
I have Windows 7 Home Premium.  I believe I would need to upgrade to 
something different in order to run XP virtual.  If the $20 PCI card 
works, that is cheaper.

Larry

On 5/1/2010 6:50 PM, Glenn AA5PK wrote:
 Larry,

 If you still suspect it's an OS issue, downloading XP Mode for Windows 7 may 
 solve the problem.

 http://www.microsoft.com/windows/virtual-pc/download.aspx

 It may be worth having in any case.

 Glenn AA5PK



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[amsat-bb] Hardware or software problems?

2010-04-30 Thread Larry Gerhardstein
All,  I feel like I'm no closer to a working sat station than I was one 
month ago.  I have two computers to run SatPC32 on.  Both are DELL 
Windows 7 Home Premium, one a desktop, the other a laptop.  I have a 
Keyspan 4-port USB to RS232 box with optical isolators from CommFront 
connected to G-5500 and ICOM 910H interfaces.

When I run SatPC32, I set up the COM ports and then enable R+ and C+.  
The computer then controls the xcvr and the rotors.  After clicking on R 
and/or C a few times, or after clicking the transmit button on the ICOM, 
the computer crashes... Blue Screen, screen of death.  IRQ_LESS_OR_EQUAL 
message.  Both computers do the same thing.  They crash after a short while.

I've tried connecting the computer to an isolated power source, not part 
of the power company a.c. feeding my shack.  This would be the generator 
in my RV.  Same problem.  SatPC32 ran for quite a time, but eventually 
the computer crashed.

I have disconnected everything from the computer except for the USB 
going to the monitor, Keyspan box, mouse, and keyboard.  Still same 
thing, computer crashes after awhile.  The laptop crashes with only the 
Keyspan connected.

I need expert advice again.  I run SatPC32 as administrator; what about 
compatibility modes?  What about critical o/s or driver upgrades or 
service packs?  What about adding ferrite toroid to all wires going into 
and coming out of the computer?  What about a power source isolator, 
like a UPS with a full-time inverter to get good isolated sinusoidal 
a.c. power to the computer and everything connected directly to it (like 
the monitor)?  The Keyspan is USB powered.  The good UPS's get expensive.

Please reply on this BB (preferred) or to private email w...@montana.com 
or call 406-826-7373.

73, Larry W7IN

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[amsat-bb] Re: SatPC32 and SDX won't talk

2010-04-29 Thread Larry Gerhardstein
I applied the suggested fix to get the Speech SDX.  That worked, but on 
the computer in question, I do not have sound coming from my speakers.  
I'm working with the vendor on that.

But there are more troubles with my set setup and I will detail those in 
separate postings.

Larry W7IN

--

Hello Larry,
 I suppose you run V. 12.8 or 12.8a.
  
  From the list in menu Rotor Setup choose the item Yaesu GS-232.
 Save the

 change with the upper Save button and restart SatPC32.

  


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[amsat-bb] Re: usb to serial adapter woes

2010-04-29 Thread Larry Gerhardstein
Problem reported in this thread solved.  Bought and installed two 
optical isolators.  One in ICOM serial line and one in GS232/G5500 
serial line.  Rotor position now reading correctly, but there was one 
more issue.  Cables that I believed to be straight through were not; 
they were null modem.  Should have used an ohm meter right away.  Tests 
of pins 2 and 3 at both ends proved what the cables really were.

A warning: two null modem cables back-to-back to not make a straight 
through cable.

But there still are more problems with my sat system, which I will 
discuss in further posts.

Larry W7IN

On 4/15/2010 6:41 PM, Larry Gerhardstein wrote:
 Jim, et. al.,  Thanks for the advice.  However, after installing the
 USA-49WG and driver install for Windows 7 with help from Tripp Lite
 technical support, my system still does the same thing.  I plug the
 serial cables to both rotor and transceiver digital interfaces and then
 to the 49WG and the same thing happens.  Azimuth meter drops to zero and
 there is no control.  Further it is now working worse than before, as I
 have neither control of rotor or transceiver.  If measure the voltage
 between metal shields of the two cables, there is about 2 volts there.
 It sure looks like a ground loop, but where and how.  I have no idea at
 this point.  In 56 years a ham operator, I've never run into anything
 like this.  Maybe RS232 isolators would fix this???  Seems like overkill.

 Larry W7IN


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[amsat-bb] Re: usb to serial adapter woes

2010-04-15 Thread Larry Gerhardstein
Jim, et. al.,  Thanks for the advice.  However, after installing the 
USA-49WG and driver install for Windows 7 with help from Tripp Lite 
technical support, my system still does the same thing.  I plug the 
serial cables to both rotor and transceiver digital interfaces and then 
to the 49WG and the same thing happens.  Azimuth meter drops to zero and 
there is no control.  Further it is now working worse than before, as I 
have neither control of rotor or transceiver.  If measure the voltage 
between metal shields of the two cables, there is about 2 volts there.  
It sure looks like a ground loop, but where and how.  I have no idea at 
this point.  In 56 years a ham operator, I've never run into anything 
like this.  Maybe RS232 isolators would fix this???  Seems like overkill.

Larry W7IN


On 4/10/2010 6:01 PM, kq...@verizon.net wrote:
 I bought one of the Keyspan 4-port boxes some years ago, and it's 
 never missed a beat.
 I mostly use it on Field Day with my laptop so I can have SatPC32 
 control my Ft-847, btu now that I've built both the Las Vegas Tracker 
 *and* the Fox Delta unit, I'll be using it to control the radio and my 
 Uaesu Az/El rotor.
 They've not inexpensive, but then you always get what you pay for!
 73, Jim  KQ6EA

 On Apr 10, 2010, *Larry Gerhardstein* gerhardst...@montana.com wrote:

 I hope someone can shed light. I'm using SatPC32, but that does not
 affect this problem.

 Awhile back I was forced to recycle both of my older computers
 that had
 one built in 9-pin serial port. Then, I connected the built-in
 port to
 the GS-232B rotor interface. I also purchased some HL USB-RS232
 USB-to-Serial adapters, a cable with USB on one end and a 9 pin
 RS232 on
 the other end. I used this gadget to control my transceiver (which
 is a
 IC910H).

 Now I have a new computer which has no (zero) built in serial ports.
 I'm trying to use two of the USB-to-Serial gadgets and have run into
 trouble. If I disconnect all grounding back through the power, I can
 get one of the two to work, either the rotor or the rig-control,
 but not
 both at the same time. Without disconnecting grounding, neither work.
 It does not matter whether I'm plugging the USB ends directly into
 the
 computer, using a passive USB hub, or a powered hub--same result.

 All I have to do to get this to fail...is... Even if the USB ends are
 not plugged into the computer and the rig control box is powered
 off and
 unplugged from power, if I just touch the metal shield on the USB
 cable
 going to the rig control onto the shield connection in the
 computer or
 hub, that causes the rotor control to fail. When it fails, The
 azimuth
 reading on the G-5500 drops all the way to zero. The elevation
 meter is
 unaffected.

 It acts like a ground loop somewhere, but where and how? I've tried
 disconnecting the coaxes from the transceiver but no change.

 I'm thinking about scrapping these USB-to-Serial things and going
 to a
 4-Port Keyspan box.

 HELP!!

 73, Larry W7IN - DN27 in Plains, Montana

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[amsat-bb] Re: Moon

2010-04-11 Thread Larry Gerhardstein
In my satellites drop down in SatPC32, I have a file called moon.txt.  I 
can not recall now where I found it.  I think it was from a comment here 
on this BB.  I tested it once and went outside to see where the moon was 
at that time; and that tracking seemed to be correct.  If I find the 
original email, I'll send it on.

73, Larry W7IN

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[amsat-bb] moon.txt

2010-04-11 Thread Larry Gerhardstein
moon.text file:

MOON
1 0U 0A   10019.90529622  .   0-0  0-0 0  0004
2 0  25.1631 348.5977 0637000  142.8591 221.8486 00.0366009966

Posters of this information include Colin Hurst, Louis House KD5GM, Dale 
Hershberger, and mlengrus...@aol.com (who possibly is the source).  This was 
posted on 2/17/2010.

Larry W7IN


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[amsat-bb] Re: moon.txt

2010-04-11 Thread Larry Gerhardstein
I just tested the keps below from moon.txt.  SatPC accepts them ok, but 
unfortunately here in Plains, Montana right now we have 100% overcast so 
I can not sight the moon.

Larry W7IN

On 4/11/2010 2:30 PM, Larry Gerhardstein wrote:
 moon.text file:

 MOON
 1 0U 0A   10019.90529622  .   0-0  0-0 0  0004
 2 0  25.1631 348.5977 0637000  142.8591 221.8486 00.0366009966

 Posters of this information include Colin Hurst, Louis House KD5GM, Dale 
 Hershberger, and mlengrus...@aol.com (who possibly is the source).  This was 
 posted on 2/17/2010.

 Larry W7IN


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[amsat-bb] usb to serial adapter woes

2010-04-10 Thread Larry Gerhardstein
I hope someone can shed light.  I'm using SatPC32, but that does not 
affect this problem.

Awhile back I was forced to recycle both of my older computers that had 
one built in 9-pin serial port.  Then, I connected the built-in port to 
the GS-232B rotor interface.  I also purchased some HL USB-RS232 
USB-to-Serial adapters, a cable with USB on one end and a 9 pin RS232 on 
the other end.  I used this gadget to control my transceiver (which is a 
IC910H).

Now I have a new computer which has no (zero) built in serial ports.  
I'm trying to use two of the USB-to-Serial gadgets and have run into 
trouble.  If I disconnect all grounding back through the power, I can 
get one of the two to work, either the rotor or the rig-control, but not 
both at the same time.  Without disconnecting grounding, neither work.  
It does not matter whether I'm plugging the USB ends directly into the 
computer, using a passive USB hub, or a powered hub--same result.

All I have to do to get this to fail...is...  Even if the USB ends are  
not plugged into the computer and the rig control box is powered off and 
unplugged from power, if I just touch the metal shield on the USB cable 
going to the rig control onto the shield connection in the computer or 
hub,  that causes the rotor control to fail.  When it fails, The azimuth 
reading on the G-5500 drops all the way to zero.  The elevation meter is 
unaffected.

It acts like a ground loop somewhere, but where and how?  I've tried 
disconnecting the coaxes from the transceiver but no change.

I'm thinking about scrapping these USB-to-Serial things and going to a 
4-Port Keyspan box.

HELP!!

73, Larry W7IN - DN27 in Plains, Montana

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[amsat-bb] install satpc32 trouble

2010-03-15 Thread Larry Gerhardstein
I'm having trouble [re]installing satpc32.  For reason I don't know, 
satpc32 began could not open configuration files it needed upon 
startup.  Thus would not start.

So I uninstalled satpc32 and am trying to reinstall it.  Setup gets part 
way through the install and then issues error message #1925: 
insufficient privileges to install for all users.  This terminates the 
install.

What should I do?  I am logged in as Admin or as my personal account 
which also has admin privilege.  Same thing happens both ways.

My computer has Windows 7.

Larry - W7IN

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[amsat-bb] Re: Hawaii AO-51 pass today

2010-03-05 Thread Larry Gerhardstein
Thanks to Robert NH7WN for the new grid and new state on AO-51.

73, Larry W7IN

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[amsat-bb] Re: AO-51 Contact

2010-02-20 Thread Larry Gerhardstein
I occasionally work AO-51 using my mobile FT-857D and a VHF/UHF mobile 
whip.  I use the instruction manual procedure to set up the FT-857D for 
Doppler.

~Larry W7IN
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[amsat-bb] Re: probably simple

2010-01-07 Thread Larry Gerhardstein
Bob W7LRD,

I disagree that Doppler shift will be zero when your window to work 
northern EU is optimum.

In SatPC32, I just did a Tracking-Preview and determined that when the 
AO-07 footprint includes both the northwest USA and northern Europe, the 
down link Doppler is +2.8 and up link Doppler is -8.3.

Note, the numbers +2.8 and -8.3 were for orbit #60844.  I also 
determined that if a different orbit, then you get different Doppler 
shifts.  Determine the pass that you wish to attempt a contact and use 
the Doppler numbers you get from Tracking-Preview for that pass.

Next pick a frequency using VFO mode in SatPC32 and do some 
experimenting.  You may need to waste a window of opportunity, but using 
a ratio of -8.3/2.8 uplink to downlink Doppler, you should be able to do 
a respectable calculation.

Another problem: The Doppler for the station in northern-EU will likely 
be different than yours.  This means you might wish to coordinate with 
the station over there as you attempt contact. When I tried to enter 
grid JPnn into SatPC32, it would not accept it.  It calculated NAN (not 
a number) for latitude.  Don't know what that's about.

However if you're using CW  not SSB, this may make little difference.  
As long as you're getting a CW signal in the band pass of your RX, you 
should be able to copy.

And remember, the squeaky wheel gets the oil.  Keep making noise about 
this on this BB until something works.

I know you wanted a simpler answer.  Hope this does not seem too 
complicated.  The Trig/Math to work this out is possible, but tricky.

Good luck.

73, Larry W7IN (home=DN27 Plains, Montana)

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[amsat-bb] multiple sats

2009-12-28 Thread Larry Gerhardstein
Whats the trick to get SatPC32 to display multiple satellites via the 
M button?

Larry W7IN

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[amsat-bb] g-5500 gs-232b trouble

2009-11-02 Thread Larry Gerhardstein

I have a G-5500 and GS-232B being commanded from SatPC32.  These items 
used to work fine 5 months ago while I was using a temporary antenna set 
up.  Since then, I've been building a new permanent antenna system. 
Now, SatPC32 transceiver controls work, but not the rotor controls.

The G-5500 control box works fine as long is it's not connected into the 
computer via GS-232B.  I can run the antennas up and down and left and 
right and the meteres display the correct values.

When I connect the GS-232B into the G-5500 using the supplied AZ/EL 
cable, the control box still works and displays correct Azimuth and 
Elevation on the G-5500 meters.

But when I next connect the GS-232B into the serial port on the 
computer, the Azimuth meter suddenly goes to zero setting.  The 
Elevation meter displays the correct value.  If I then disconnect the AZ 
half of the cable from the GS-232B, both meters display correctly.  This 
is true whether the power on the GS-232B is On or Off.

The GS-232B manual shows 10 wires going from the G-5500 to the GS-232B 
AZ/EL connectors on the pin-out diagram.  My cable has only 7 wires 
total.  What's with that?

In any case, computer control of the G-5500 from SatPC32 is not working.

I'm wondering if I may have fried the GS-232B.  Right now, I'm letting 
SatPC32 control the rig and I'm manually adjusting the AZ/EL rotors to 
values SatPC32 has displayed; it's tricky.

Any help in troubleshooting this system will be greatly appreciated. 
Later today, I will make certain that the computer serial port is still 
working.

73, Larry W7IN, Plains, Montana DN27.

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[amsat-bb] Re: accidental satellite ops

2009-09-13 Thread Larry Gerhardstein
Certainly word needed to local clubs, vhf clubs, contesting clubs about 
this anamoly.  Indeed they are oblivious to where their signal is going 
and how.  Too little attention is paid to band plans.  Good snooping 
Bob.

See you soon on the birds.

73, Larry W7IN DN27 Montana -- see you soon on the birds. 

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[amsat-bb] Re: Antenna pointing

2009-08-13 Thread Larry Gerhardstein
I use a plumb bob and plumb line.  When north star is first visible, I 
use these to determine true north on my horizon.  I then create in my 
mind a picture of where that point is on the horizon.  Then during 
daytime, I adjust antenna to point at that point on the horizon.  A 
south-north road near my QTH is aligned with the same horizon point.

Larry W7IN

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[amsat-bb] Re: WL7H in AK?

2009-07-18 Thread Larry Gerhardstein
According to QRZ, he's in BP40, Alaska.


- Original Message - 
From: Luc Leblanc luclebla...@videotron.ca
To: amsat-bb@amsat.org
Cc: tjja...@earthlink.net
Sent: Saturday, July 18, 2009 3:52 AM
Subject: [amsat-bb] Re: WL7H in AK?


 On 17 Jul 2009 at 20:39, ANTHONY JAPHA wrote:

 Hi All,
 This morning on AO-7 at about 1229 UTC, I heard WL7H on cw with good 
 sigs.  Are you (or is he) in KL7 or somewhere else?  I've not heard 
 KL7 from here in NYC before.

 A different question: any hints on shading a laptop's screen so that 
 it can be viewed when operating outdoors (to avoid sunshine)?

 Tnx and 73,
 Tony, N2UN
 LM 183

 Go on www.qsl.net/ve2dwe in the middle of the page you will see what 
 we build... during a recent Field Day not too costly and very
 effective.

 -


 Luc Leblanc VE2DWE
 Skype VE2DWE
 www.qsl.net/ve2dwe
 WAC BASIC CW PHONE SATELLITE


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[amsat-bb] Re: true duplex radios

2009-06-01 Thread Larry Gerhardstein
Since some of the radios suggested are 'old', a column about sub-tones 
available would be helpful.  Also computer interface.

- Original Message - 
From: RFI-EMI-GUY rhyol...@nettally.com
To: OZ1MY oz...@privat.dk
Cc: amsat-bb@amsat.org
Sent: Monday, June 01, 2009 8:57 AM
Subject: [amsat-bb] Re: true duplex radios


True; This list would be a good start. I suggest a table with mode
capabilities and frequency bands, both standard and optional.

OZ1MY wrote:
 Hi,
 I do not see the Kenwood TS-790 base station ?
 73 OZ1MY
 Ib
/listinfo/amsat-bb 

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[amsat-bb] More Yaesu G5500 rotor trouble.

2009-05-04 Thread Larry Gerhardstein
I have my own set of G5500 rotator woes.  Mine was purchased few months 
ago, and just now getting around to testing on the ground.  I made up 2 
cables with the connectors supplied.

First attempt: UP, LEFT, RIGHT worked, but DOWN switch did nothing. 
After reading the schematic diagram I concluded that DOWN and LEFT 
voltage is on pins 4-to-6 and UP and RIGHT voltage is on pins 5-to-6. 
All 4 rotor control switches generate voltage between those screws on 
the back of the controller.

So I swapped the 2 connectors at the G5500.  Problem moved from DOWN to 
LEFT.  So I concluded there is something wrong with my connector to the 
Elevation rotator.  I've checked voltages at the connector end with 
connector disconnected, checked continuity: all appear ok.

I have unscrewed and replaced the 2 connectors so many times that now 
both cables are displaying the identical problem: UP and RIGHT switches 
work; DOWN and LEFT do not.

Sometimes I can hear the inoperative motor humming, mostly no noise at 
all.  I suspect high resistance or bad connection in the connectors pin 
4, the center pin that carries the DOWN singnal to the Elevation rotator 
and the LEFT signal to the Azimuth rotator.

What should I try next?  Re-solder the whole thing?  Get new cable end 
connectors?  Are there any connectors for this rotator of better quality 
than the ones delivered with it?

73, Larry W7IN, DN27

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