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Re: Fw: Rotator/Elevator controled using LAN?



There are several boxes floating around that provide parrallel and/or serial
ports via a LAN.  I am using one as switch and firewall in my home.  I would
assume hooking a FODtrack up to this shared port would be fairly straight
forward.

73,
Joe
ka0yos@amsat.org

----- Original Message -----
From: "Howard Long" <howard@howardlong.com>
To: "Murray Peterson VK2KGM" <vk2kgm@ihug.com.au>; "AMSAT-BB"
<amsat-bb@AMSAT.Org>
Sent: Wednesday, January 17, 2001 6:33 PM
Subject: RE: [amsat-bb] Fw: Rotator/Elevator controled using LAN?


> Hi Murray
>
> I have thought about this to some extent over the past few months - after
> all you can buy cameras which just plug into a LAN.
>
> You can get enough on a PIC chip to run IP over a serial PPP connection.
> It's not Ethernet though.
>
> FWIW I can control the whole of my station from the internet...
>
> This includes antenna positions, antenna polarization, antenna selection,
> preamps, audio and video feeds, and radio frequency. I run a Media Encoder
> server for the audio/video and either PC Anywhere or Citrix for the
control
> if the automatic Wisp/WispDDE antenna & frequency tracking is not quite
> right.
>
> Indeed during the first few weeks of AO-40 when the 2m beacon was
generating
> telemetry that's what I used most of the time. Left a laptop at work in
one
> corner permanently monitoring the whole thing, so if I wasn't too far away
> from the laptop I'd know straight away if there was something that needed
> attention.
>
> But none of this is exactly what you want, even though the end result had
> the desired function. A much neater solution is exactly what you suggest -
> albeit with a load of computer hash at your antenna!
>
> A less ambitious solution I've been toying with would be something like
the
> ICOM CI-V interface to the rotator and any other mast (or shack!) mounted
> equipment (CI-V is a very low bandwidth CSMA/CD bus), and then supply the
IP
> interface at your computer. Indeed I run something close to this already
in
> order to control my antenna selection and polarizations, and the preamps,
> but it's only unidirectional.
>
> Maybe someone on the bb can give us a pointer to a three pin ethernet
> interface chip and then we really can have Internet enabled preamps,
> rotators and toasters. It's gonna happen one day real soon... I can
already
> Telnet into my house from my cellular phone and switch the lights on and
> off, and put the coffee on (if I remembered to re-fill the filter that
> is...).
>
> 73 Howard G6LVB
>
> -----Original Message-----
> From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
> Behalf Of Murray Peterson VK2KGM
> Sent: 17 January 2001 22:25
> To: AMSAT-BB
> Subject: [amsat-bb] Fw: Rotator/Elevator controled using LAN?
>
>
>
> ----- Original Message -----
> From: Murray Peterson VK2KGM
> To: AMSAT-BB
> Sent: Wednesday, January 17, 2001 3:44 PM
> Subject: Rotator/Elevator controled using LAN?
>
>
>     Has anyone tried or succeeded contoling a rotator/elevator unit by
> connect it to a Local Area Network and asigning it an IP address? I have
> some 10 Base 2 (coaxial) ethernet cards and I am thinking whether they
might
> be a great way of controling a rotator/elevator unit via a single length
of
> RG58. It might be a great way of being able control the rotator/elevator
> unit from several different PCs or at least have several PCs able to read
> the position information.
>
>     A standard LAN connection might be a good standard feature for
> rotator/elevator manufactures to include in their units.
>
> What do you think?
>
> regards,
> Murray Peterson
> VK2KGM
> Sydney, NSW,
> Australia
>
> ----
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>
> ----
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