Hi all,
I've just joined the group and thought you might be interested in the "bare
bones" WSPR transmitter I've been working on.

It uses the technique from 
http://www.icrobotics.co.uk/wiki/index.php/Turning_the_Raspberry_Pi_Into_an_FM_T\
ransmitter to produce a WSPR signal directly on either the 2200m band or the
630m band (frequencies over 1MHz won't work.)

The output is a square wave so it must be filtered before going to an antenna. 
I've also not put code in to turn off the transmitter if Ctrl-C is pressed yet.

If anyone's interested, the code is at https://github.com/DanAnkers/WsprryPi

Dan MD1CLV

Nigel A. Gunn G8IFF/W8IFF wrote:
>
>
> How do you "pull up an RDP session" on a Windows box?
>
> > On February 22, 2013 at 6:37 AM Kerry McKenzie kermck@...
> <mailto:kermck%40gmail.com>> wrote:
> >
> >
> >
> > Greetings all and great to be on this list.
> > I am a total newby to the Rasberry PI having no linux backround at all
> > and have a working RPI for only 10 days.
> > I now have mine playing Minecraft and I am able to RDP into it from my
> > windows 7 box upstairs
> > Ok here what I eventually found what to do
> >
> > Step One....
> > Fire up your PI and open a terminal window
> > ---------------------------------------------------
> > Step Two...
> > from the prompt type the following
> >
> > sudo apt-get update
> >
> > and let it do its thing
> > -------------------------------------------------
> > Step Three
> > from the prompt type the following
> >
> > sudo apt-get install xrdp
> >
> > and let it do its thing
> > --------------------------------------------------
> > Reboot your RPI
> >
> > Now go to your windows box and pull up a rdp session
> > Type in the IP address of your PI
> > default is 192.168.0.10
> >
> > You will get a login screen
> > Default Login for the RPI is "PI"
> > and enter the password that you used on the inital setup
> > and thats it.......enjoy
> >
> > --
> > Kind Regards
> > Kerry McKenzie
> >
> > Mobile 041 971 4876
> >
> > PO Box 4492
> > Kirwan QLD 4817
> > Australia
> >
> >
> >
> >
>
> Nigel A. Gunn, 1865 El Camino Drive, Xenia, OH 45385-1115, USA. tel +1
> 937 825 5032
> Amateur Radio G8IFF W8IFF (was KC8NHF 9H3GN), e-mail nigel@...
> <mailto:nigel%40ngunn.net> www http://www.ngunn.net
> Member of ARRL, GQRP #11396, QRPARCI #11644, SOC #548, Flying Pigs QRP
> Club International #385,
> Dayton ARA #2128, AMSAT-NA LM-1691, MKARS, GCARES, EAA382.
>
>
greetings Nigel
to pull up and RDP session in windows do the following
click start
then program
then accessories
look down the list and you will find  "Remote Desktop Conection"
in windows 7 if you right click on it you are able to send it as a short
cut to your desktop

OK thats the long way using your GUI
part two
click start
then click run
In the box type the following    mstsc and press enter
(what you have just selected from a command prompt is Microsoft Terminal
Services)

Ok last way to do it is from your command prompt  (to get that click
start and in windows 7 you get the search box, just type in there cmd
and this will give you
the black box where in the old dos days thats all we had. Anyway in the
black box just type the same mstsc and press enter, this will lunch a
terminal service ready for you to just type in
the ip address of your rasberry pi

regards Kerry

--
Kind Regards
Kerry McKenzie

Mobile 041 971 4876

PO Box 4492
Kirwan QLD 4817
Australia

On 13-02-22 07:37 AM, Kerry McKenzie wrote:
> Step Two...
> from the prompt type the following
>
> sudo apt-get update
>
> and let it do its thing
That will as far as I know, only update the package list, you need
to also tell it to upgrade "sudo apt-get upgrade" to d/l and install
pkgs up-to-date..

 

On 13-02-22 07:37 AM, Kerry McKenzie wrote:
> Step Two...
> from the prompt type the following
>
> sudo apt-get update
>
> and let it do its thing
That will as far as I know, only update the package list, you need
to also tell it to upgrade "sudo apt-get upgrade" to d/l and install
pkgs up-to-date..

-- Kind Regards
Kerry McKenzie
Mobile 041 971 4876
PO Box 4492
Kirwan QLD 4817
Australia

From: Kerry McKenzie

To: Raspberry_Pi_4-Ham_RADIO@yahoogroups.com

Sent: Friday, February 22, 2013 6:37 AM

Subject: [Raspberry_Pi_4-Ham_RADIO] How to install and run remote desktop to your Rasberry PI

 

Greetings all and great to be on this list.
I am a total newby to the Rasberry PI having no linux backround at all
and have a working RPI for only 10 days.
I now have mine playing Minecraft and I am able to RDP into it from my
windows 7 box upstairs
Ok here what I eventually found what to do

Step One....
Fire up your PI and open a terminal window
---------------------------------------------------
Step Two...
from the prompt type the following

sudo apt-get update

and let it do its thing
-------------------------------------------------
Step Three
from the prompt type the following

sudo apt-get install xrdp

and let it do its thing
--------------------------------------------------
Reboot your RPI

Now go to your windows box and pull up a rdp session
Type in the IP address of your PI
default is 192.168.0.10

You will get a login screen
Default Login for the RPI is "PI"
and enter the password that you used on the inital setup
and thats it.......enjoy

--
Kind Regards
Kerry McKenzie

Mobile 041 971 4876

PO Box 4492
Kirwan QLD 4817
Australia

 

On 13-02-22 07:37 AM, Kerry McKenzie wrote:
> Step Two...
> from the prompt type the following
>
> sudo apt-get update
>
> and let it do its thing
That will as far as I know, only update the package list, you need
to also tell it to upgrade "sudo apt-get upgrade" to d/l and install
pkgs up-to-date..

On 22 Feb 2013 at 15:39, Raspberry_Pi_4-Ham_RADIO@yaho wrote:

> There are 6 messages in this issue.
>
> Topics in this digest:
>
> 1a. How to install and run remote desktop to your Rasberry PI
>     From: Kerry McKenzie
> 1b. Re: How to install and run remote desktop to your Rasberry PI
>     From: Nigel A. Gunn  G8IFF/W8IFF
> 1c. Re: How to install and run remote desktop to your Rasberry PI
>     From: John Ferrell
> 1d. Re: How to install and run remote desktop to your Rasberry PI
>     From: Kerry McKenzie
> 1e. Re: How to install and run remote desktop to your Rasberry PI
>     From: jj

All a bit long winded I suspect, though it obviously works...

I seem to remember using the Pi'd version of VNC server, and a VNC viewer
on my Windows box.   Much less hassle.  Forget where I got the server app
from, the Repository I suspect, as I knew even less then than I do now.

That and a PuTTy SSH session or two also running, and it's just like
sitting in front of a "real" Debian box!

There are some nice and low cost self contained HDMI to VGA converters
available too now, for a Tenner (£10 UKP) you can have a decent screen.
Everyone seems to have at least one surplus VGA display kicking about,
but HDMI stuff is either non existant or reserverd for watching East
Enders (or someother crud.)

Some initial SSH tweaking of a config file is needed at first with the
Debian OS's to get the settings "just right".   The original Fedora remix
distro, just worked with it straight out of the box.  Impressive.

Cheers.

Dave G0WBX.

My raspberry after a few hours of operation I understood that the SD card is
corrupted and crashes. how can I fix this?

Thanks for the help ik7ytq Luigi

Inviato da iPad

Remote Desk top connection is about the seventh item down in the acessories
folder in the Programs panel on my Win 7 Machine. You get to the Programs panel
by clicking on the Start button in the bottom left corner.


--- In Raspberry_Pi_4-Ham_RADIO@yahoogroups.com, "Rick Simpson" <goatguy101@...>
wrote:
>
> You were doing great until you got to "Now go to your windows box and pull up
a rdp session". What is an RDP session on Windows? Where do you get it?
>
> K3IND
>
> ----- Original Message -----
>   From: Kerry McKenzie
>   To: Raspberry_Pi_4-Ham_RADIO@yahoogroups.com
>   Sent: Friday, February 22, 2013 6:37 AM
>   Subject: [Raspberry_Pi_4-Ham_RADIO] How to install and run remote desktop to
your Rasberry PI
>
>
>
>   Greetings all and great to be on this list.
>   I am a total newby to the Rasberry PI having no linux backround at all
>   and have a working RPI for only 10 days.
>   I now have mine playing Minecraft and I am able to RDP into it from my
>   windows 7 box upstairs
>   Ok here what I eventually found what to do
>
>   Step One....
>   Fire up your PI and open a terminal window
>   ---------------------------------------------------
>   Step Two...
>   from the prompt type the following
>
>   sudo apt-get update
>
>   and let it do its thing
>   -------------------------------------------------
>   Step Three
>   from the prompt type the following
>
>   sudo apt-get install xrdp
>
>   and let it do its thing
>   --------------------------------------------------
>   Reboot your RPI
>
>   Now go to your windows box and pull up a rdp session
>   Type in the IP address of your PI
>   default is 192.168.0.10
>
>   You will get a login screen
>   Default Login for the RPI is "PI"
>   and enter the password that you used on the inital setup
>   and thats it.......enjoy
>
>   --
>   Kind Regards
>   Kerry McKenzie
>
>   Mobile 041 971 4876
>
>   PO Box 4492
>   Kirwan QLD 4817
>   Australia
>

Greetings all
when searching out all things Rasberry PI,   I quickly discovered that
all things are not equal when using google

Being in Australia my default browser windows explorer will default to
google .com.au and as a result the searches for all things rasberry pi
including retail purchases
are redirected back locally in Australia. in other words I am not
getting a true search, and found this to be the same for google hongkong
and google uk etc etc.

To get around this is a simple matter of going into tools and in the
drop down menu at the very bottom is internet options
When you click on this if you are using google as you default screen as
i am,... you will see the google url and i will guess and say that it
will automatically be defaulting to your home country.

If you change this to the country that you wish to search out of it will
look like the following

http://www.google.com/hk          this is for Hongkong

http://www.google.co.jp/             this is to search out of Japan

http://www.google.co.nz/           this is to search out of New Zealand

Now what the hell is he on about you might wonder???  however the
advantage is that google will favour the local area
as they get paid advertising revenue  to do this.

Here is a good example of just how you can save heaps by serarching the
correct area rather than be rounded up like cattle into where google wants
you to go.

my wife was looking for a lounge suite and did the usual google search
and found one in our local area for $1800.
I got her to type in http://google.com/ncr and type in the same company
where she had found the lounge suite only to find
the exact same thing from the same company chain down in Brisbane for $1300
We then contacted a freight company and could get it shipped to our door
for $150 so even with the freight taken out she still
saved herself $350 just by searching out of here country but the
redirect went to Brisbane and not Townsville.
The lesson is that the company chain will not sell the same product for
the same price across Australia

my searches for accessories for my Rasberry PI worked very much the same
way and i brought items out of china freight free
for a quarter of what it was going to cost me to buy the same thing from
the USA
I also search out of google Hongkong a lot and get some fantastic deals
that i would have otherwise missed out on.

So the moral of this is search out of different countries when looking
for your PI accessories and save yourself quite a bit of money
and time doing so,... as you can get pretty much anything.

So beware google is not google @ww
the closest google@ww I could find is in the usa and that is to search
using http://www.google.com/ncr however it is not perfect either!

I hope this might help you find that Rasberry accessory faster and cheaper

--
Kind Regards
Kerry McKenzie

Mobile 041 971 4876

PO Box 4492
Kirwan QLD 4817
Australia

 

My raspberry after a few hours of operation I understood that the SD card is corrupted and crashes. how can I fix this?

Thanks for the help ik7ytq Luigi

Inviato da iPad

-- Kind Regards
Kerry McKenzie
Mobile 041 971 4876
PO Box 4492
Kirwan QLD 4817
Australia

The day started out well. The second Raspberry Pi that I ordered on the 19th
from Adafruit came today (the 22nd) so I thought I would get it online. I took a
brand new 8G Kingston sd out and started to load it. The image program balked,
saying that the card was locked. Try the other Win 7 machne, same thing! Google
coughs up a lengthy todo list. http://oddsnsods.net/blog/?p=100 looked scarey
but promising. All these years and I never saw a command line disk partition
program before today. I deleted the partition in the sd card as instructed and
went back to the disk image program. Now it says the image won't fit on the 8G
sd card. OK, I am no stranger to trouble, I will restore the format on the sd
card and work up a plan for the next step. Uh-Oh! The windows format command
says it cannot do the format. So here I am reporting back. Some where there is a
special format program for sd cards, I need to find it.
Next, I suspect th image sved was a complete image and not just the install
programs. The empty locations were probably included in the dump. I also suspect
the Dump-restore was done by Linux and it is more efficient with the sd card.
That is the story for today.
I doubt I am ready to build that image from the insructions...YET.
de John    W8CCW

Greeting all
First I am sorry for assuming that everyone knows about the windows side
of RDP.
I am a Rasberry Newby and I am also one week into Linux so I am
certainly no expert and hardly make even a beginner, however I have been
doing pc stuff since the first XT came out gods knows when.
And I wrongly assumed that most of us on this forum were windows savey
and rasberry PI poor as I am very much the latter.

I digress slight however pertinent to this discussion that using the
old  terms back in the days of Dos were there was no GUI's and
everything was done from a command line
When the GUI appeared in windows from that point on everyone in order to
do dos stuff if you were using windows had to pull up a dos window to
get the command prompt.
So as time progressed people used the GUI more and more and the art of
command line became less and less.

Since we have already covered how to get remote desktop enabled in the
Rasberry PI and I will paste it in here so save anyone not sure where
this all started from....can at least get on the right page.

--------------------------------------------------------------------------------
  > Greetings all and great to be on this list.
  > I am a total newby to the Rasberry PI having no linux backround at all
  > and have a working RPI for only 10 days.
  > I now have mine playing Minecraft and I am able to RDP into it from my
  > windows 7 box upstairs
  > Ok here what I eventually found what to do
  >
  > Step One....
  > Fire up your PI and open a terminal window
  > ---------------------------------------------------
  > Step Two...
  > from the prompt type the following
  >
  > sudo apt-get update
  >
  > and let it do its thing
  > -------------------------------------------------
  > Step Three
  > from the prompt type the following
  >
  > sudo apt-get install xrdp
  >
  > and let it do its thing
  > --------------------------------------------------
  > Reboot your RPI
  >
  > Now go to your windows box and pull up a rdp session
  > Type in the IP address of your PI
  > default is 192.168.0.10
  >
  > You will get a login screen
  > Default Login for the RPI is "PI"
  > and enter the password that you used on the inital setup
  > and thats it.......enjoy

-----------------------------------------------------------------------
Now lets cross to the dark side and open an RDP session in windows so we
can see the Rasberry PI's desktop on our windows box.

I do everything here with RDP as all my pc stuff is in a rack mount down
stairs and because I live 19 degrees from the equator it is pretty
hot right now and steamy as we are in the midst of our wet session.
My work station is in a much nicer and cooler surround and so i use RDP
to to talk to my packet radio BBS and webserver plus the file
server and now also my  Rasberry PI all from my cooler workstation.

Right lets get on with it....

-----------------------------------------------------------
to pull up and RDP session in windows do the following
click start
then program
then accessories
look down the list and you will find  "Remote Desktop Connection"
in windows 7 if you right click on it you are able to send it as a short
cut to your desktop
OK thats the long way using your GUI
------------------------------------------------------------
part two another option and my preferred
click start
then click run
In the box type the following    mstsc and press enter
(what you have just selected from a command prompt is Microsoft Terminal
Services)
This will open up and RDP session on your windows desktop ready to
connect to a remote computer
and for the Dos boffin the quickest way to get to an RDP

------------------------------------------------------------------

Ok last way to do it is from your command prompt  (to get that click
start and in windows 7 you get the search box, just type in there cmd
and this will give you
the black box where in the old dos days thats all we had. Anyway in the
black box just type the same mstsc and press enter, this will lunch a
terminal service ready for you to just type in
the ip address of your raspberry pi and the rest is covered above

Ok this now covers both sides of Remote Desk toping both the Rasberry PI
and a windows box  part two is the best for me but you may prefer other
ways....enjoy!

--
Kind Regards
Kerry McKenzie


Australia

Don't worry about your inaccurate assumption. We all so it sometime.

Many of us here are running Linux and do not have a Windows box available.
Whilst anybody can switch to Linux for, relatively, free to try something, doing
the same with Windows requires a
payment of a couple of hundred dollars.


>>First I am sorry for assuming that everyone knows about the windows side of
RDP.


--------------------------------------------------------------------------------\
---------------
Nigel A. Gunn,  1865 El Camino Drive, Xenia, OH 45385-1115, USA.  tel +1 937 825
5032
Amateur Radio G8IFF W8IFF (was KC8NHF 9H3GN),  e-mail nigel@...   www 
http://www.ngunn.net
Member of  ARRL, GQRP #11396, QRPARCI #11644, SOC #548,  Flying Pigs QRP Club
International #385,
            Dayton ARA #2128, AMSAT-NA LM-1691,  MKARS, GCARES,  EAA382.

Need help in figuring out how to setup a USB soundcard modem on the RPI using
qMSFK

I have downloaded qMFSK and have it installed on my Raspberry Pi rev B.  I have
a problem with it recognizing a USB sound card.  The device menu / sound menu /
sound card device is set to /dev/dsp as default did not find a sound card and
presented a error message with qMFSK is started.

Error received: sound_open_for_read: opensnd: open: /dev/dsp: No such file or
directory


I did look at the RPi and found: 
/dev/snd/by-id/usb-0d8c_C-Media_USB_Headphone_Set-00

Entered this in to qMFSK under device menu / sound menu / sound card and still
get a error: sound_open_for_read: opensnd: ioctl: SNDCTL_DSP_SETFMT:
Inappropriate ioctl for device

I have a USB signallink USB soundcard as well.   Looking for a QRP setup that
can run digital modes PSK31 and MT63.

V/R

-Michael KB4JHU

Very interesting.  I compiled the code and spotted myself straight away! Perhaps
10Hz off target but who knows really! I didn't bother with an antenna yet. It
makes me wonder if a transverter is needed at all for digital modes on the LF
bands. Can they all be generated directly on final frequency? Worth further
exploration. Off to build an LPF and connect an antenna.

Bob
G3WKW

1. Click on the link above
2. Right click on the file and select "Extract All..."
3. Open the extracted folder
4. Right click on the program and select "Run as administrator"
5. When you load a image it auto cleans the SD card first.

John
that little link you sent out ....just tried it and works a treat, I
have now unbricked my 32gig SD card there is a bit more to it after you
unbrick it using the manage function in windows 7 but can cover this
later as i should be working and not sitting on here and having  lots of
fun doing Rasperry PI stuff and replying to this list..:-))...ha ha will
come back tonight and give you the instructions if you havent already
worked it out
regards Kerry

--
Kind Regards
Kerry McKenzie

Mobile 041 971 4876

PO Box 4492
Kirwan QLD 4817
Australia

John
i am in the same boat as you, i managed to turn my 32gig sd into a 53meg
sd card.
I am still trying to find some software to get it back to something that
I can use again ,...it was not cheap
so i hope i haven't frontal lobotomized it for good!!

If I find some software that will fix it and restore my 32gigs i will
post it here as I am sure we wont be the last ones that this will happen to.
Kerry

--
Kind Regards
Kerry McKenzie

Mobile 041 971 4876

PO Box 4492
Kirwan QLD 4817
Australia

On Fri, Feb 22, 2013 at 4:14 PM, John  <john@...> wrote:

> Buy a new SD card  --  -- some last a long time, some go quickly.  If you are
running
> a program that writes to "disk" regularly (e.g. logs, databases, etc.) they
> will go quicker.

Hopefully this is a silly question - but are the running Linux from
Flash good practices, like 'noatime' being followed?

   http://www.cyrius.com/debian/nslu2/linux-on-flash.html

I would expect a CF card to last a long time unless something really
silly is done like writing a test loop that gets stuck writing
thousands to times to one location - guess how I know about that
one...

Bill, WA7NWP

--- In Raspberry_Pi_4-Ham_RADIO@yahoogroups.com, Kerry McKenzie <kermck@...>
wrote:
>
> Greetings all and great to be on this list.
> I am a total newby to the Rasberry PI having no linux backround at all
> and have a working RPI for only 10 days.
> I now have mine playing Minecraft and I am able to RDP into it from my
> windows 7 box upstairs
> Ok here what I eventually found what to do


OR:

Use the customised image here:
http://vk4tux.no-ip.org/Cpi/

It is all done, with a couple of VNC servers (one for root, one for pi), SSH
server, FTP server and Web server.

It was a project for a colleague at school and I've made it available to the R
Pi community. VK4TUX kindly offered to host it.

73

Brian
G8OSN