K3: remote control

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Re: K3: remote control

GREG WILSON
I think this may interest some of you...provides for its own IP with no
computer and contains the required FCC (if you're a US ham) for failsafe
operation...

http://www.glentekcorp.com/ 

73 de Greg-N4CC

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Re: K3: remote control

Nate Bargmann
In reply to this post by Alan Bloom
This would be somewhat advanced, but I'm thinking that with a router
capable of running OpenWRT (a Linux distribution for embedded hardware)
that a Perl script run as a cron job could query a site like
http://www.displaymyip.com/ , scrape the page, and email the IP address
every few hours.  In fact, that is what I do except the script runs on
my workstation and instead of email uploads a small file to my webhost.
Fortunately, my ISP's DHCP server has been assigning my router the same
address for a while.

73, de Nate N0NB >>

--

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://www.n0nb.us
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Re: K3: remote control

Nate Bargmann
In reply to this post by Rick Prather-2
* On 2011 05 Jul 17:58 -0500, Rick Prather wrote:
> I would visualize an internal modem board like Ten-Tec does in the VII that can be assigned it's own IP address and connected directly to the Internet without a computer at the remote location.  This would be an option, so not required if someone isn't interested in remote operation - unlike TT.

I like the Ethernet idea, I would rather the rig be placed behind a
firewall and the only access be via Secure Shell with public key
authentication, or SSL in some way.  That might be a bit tricky to
setup at first, but I'm sure there is someone out there doing it or who
could figure it out with a bit of Perl glue magic.

Bundled with Hamlib we have a network daemon, rigctld.  It has not been
vetted for security and I would not expose it directly to the Internet.
I can imagine a capable piece of hardware running OpenWRT (or another
router distribution) and Hamlib using a USB-serial converter to talk to
the K3 (or any other supported rig or rotor) and then using SSL to
handle the connection over the 'Net and then some Javascript on the
browser end for a Web based rig control program.  That sounds like an
interesting hacking project for when I get the time.  Sigh...

> Of course, this can be done now with the Remoterig set up but for a healthy cost.  Whereas, the direct ethernet connection with appropriate software (like TT's One Plug) would be easier, neater and a lot cheaper.

I won't speculate on the security ramifications, which always exist for
any network connected device, but a device like that would need to be
vetted rather thoroughly.  I'm not the guy to do that, however.  :-(

73, de Nate N0NB >>

--

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://www.n0nb.us
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Re: K3: remote control

k6dgw
In reply to this post by kevinr@coho.net
On 7/5/2011 4:00 PM, Kevin Rock wrote:
> Plus it is only a few chips on a board to get the job done.  Firmware is
> dead simple too.  Simple solution, why hasn't anyone built it yet?

Oooh and the phrase, "only a few chips on a board."  I'll skip over the
"dead simple."

Forgive me folks, but I got "promoted" to Division Chief Engineer ...  a
little more money, a lot more headaches, and it wasn't worth it, I
retired as soon as I could.

I'm jaded, I admit it, completion estimates never actually happen, ever,
ever.  It keeps the contract techs and lawyers busy.  We once had a
board going into a mobile radio control box.  In 4WD trucks ... in 4WD
territory.  Our creation actually worked, and we were a week ahead of
schedule!  All our electrical and software tests said it worked.  I was
pretty happy as, for a final test, I gave it to our Mech E and said,
"Stick it in your Shake and Bake, and see what comes off," expecting
nothing, of course.

All the caps came off, at amplitudes and frequencies that coincided with
what the 4WD trucks would subject them to.  A huge lesson for that
Project Engineer -- which was me, and I was 45 by then.  All 0.01 mfd
caps are not created equal.

Almost nothing really important these days that involves technology is
done by an individual in isolation.  Engineering, all of it, is a team
effort, and I submit Elecraft as a huge example ... I happen to
personally know a number of the E-folks, and I respect their individual
skills, talent, and genius.  But I respect them far more for their teamwork.

Teamwork kept me and most of my guys alive in war, it still works today.
  It's just a lot harder than it looks from the head end, and it takes a
lot more people to do their jobs to make it all work.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2011 Cal QSO Party 1-2 Oct 2011
- www.cqp.org
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Re: K3: remote control

Sverre Holm (LA3ZA)
In reply to this post by kevinr@coho.net
Kevin Rock-2 wrote
Plus it is only a few chips on a board to get the job done.  Firmware is  
dead simple too.  Simple solution, why hasn't anyone built it yet?
    Kevin.  KD5ONS
Quite like the solution you can get here I would say, notice the solution showing a K2/K3 at the remote rig side in the block diagram:

http://www.remoterig.com/wp/?page_id=465

It also supports control of a PA as well as a antenna rotator. I am considering one, but haven't gotten around to it yet.
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
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Re: K3: remote control

Iain Haywood
In reply to this post by David Windisch
I use Splashtop and HDR, it also streams your mic input while using HRD,
which VNC & RDP don't.
Saves having to use skype for the audio side.

--
*Iain Haywood* G4SGX
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