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PA2AGA > HDDIG 25.09.99 03:28l 245 Lines 7871 Bytes #-9764 (0) @ EU
BID : HD_99_239L
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for system utility routines.
Thanks again
Tony -- KF3BX
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>.
------------------------------
Date: Wed, 22 Sep 1999 19:40:11 -0700
From: "Cathryn Mataga" <cathryn@junglevision.com>
Subject: Those Wide, Open Spaces
Tony Giroux wrote in message <37E981DA.DB7EC179@cvn.net>...
>I think the next one is for Cathryn -- I use Linux at home. I am
>working on the Ham net
>AX.25 routines for VHF/UHF packet. Is there software available for Unix
>Based machines?
>As I said, I'm not a programmer. I know some C & assembly, but mostly
>for system utility routines.
Well, if you have the PCT2, everything is plug and go with Linux, as xfbb
supports this directly. I have some code I'm working on that works for
calling out with my Pk232 -- though the setup is a little weird that you
need
to make a alias in Linuxnode, and then use a loopback device to
call back your own node from FBB, though this code seems to work,
at least for me. I have written some code for receiving, though this is a
bit
on hold until I get two pactor modems here at my house, so I can check
both ends off the air. So, figure on a few more weeks for that.
>.
------------------------------
Date: Wed, 22 Sep 1999 19:41:25 -0700
From: "Hank Oredson" <horedson@att.net>
Subject: Those Wide, Open Spaces
Tony Giroux <agiroux@cvn.net> wrote in message
news:37E981DA.DB7EC179@cvn.net...
>
> Thanks for the info -- between you and Cathryn, I'm learning some really
> neat stuff.
> I read ahead a couple of messages before responding, this time.
> Unfortunately, more questions. I can understand how the software should
> be controlling what the TNC does. Can software determine, through the
> TNC, what are the best frequencies to use? Does the
> average Clover or Pactor controller have the capability of relaying that
> kind of data to the software?
The software running on the computer controls the TNC and the radio.
That software simply tries a connect, and if the connect fails, it tries on
a different frequency or band. Very simple actually.
> Also, what are the requirements for power & antennas for the HF Node?
100W and tribander will do quite well. "More is better" particularly for
multi-hop long haul paths (e.g. across oceans). On 40M, I have found
an inverted vee to be optimal for the short paths I use.
> I, like Cathryn,
> am limited in what I can fit into a small backyard without iritating
> spouse and neighbors. I do have one radio (IC-746) that is software
> controllable and one DX-70T that isn't. I don't have any amplifier to
> get past 100 (+change) watts output. I, also
> have a TS-520, but the requirement for retuning the finals sort of
> eliminates automated
> frequency changes.
Like I mentioned, I run one system fixed frequency (the 40M one).
Can be very useful. The 746 will work fine ... nice radio!
> I think the next one is for Cathryn -- I use Linux at home. I am
> working on the Ham net
> AX.25 routines for VHF/UHF packet. Is there software available for Unix
> Based machines?
Nothing much yet. I may port SNOS to Linux, since that would be
fairly easy to do, and there is a Linux machine in the shack. In particular,
I don't know of any drivers for PACTOR/CLOVER in Linux. The basic
AX.25 and NET/ROM stuff is there, and included, for example, in
the Red Hat distribution. It builds into the kernel ok, but have not
actually tried doing anything with it. Sources are included.
I hope Cathryn has had more luck finding applications for Linux.
> As I said, I'm not a programmer. I know some C & assembly, but mostly
> for system utility routines.
>
> Thanks again
>
> Tony -- KF3BX
--
... Hank
http://horedson.home.att.net
>.
------------------------------
Date: Wed, 22 Sep 1999 21:02:05 -0400
From: Tony Giroux <agiroux@cvn.net>
Subject: Those Wide, Open Spaces
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Charles Brabham wrote:
>
> Cathryn Mataga <cathryn@junglevision.com> wrote in message
> news:bEuF3.2012$1i3.34385@nuq-read.news.verio.net...
> >
> > Charles Brabham wrote in message <7s5d9d$1m4h@enews4.newsguy.com>...
> >
snip snip
> >
> > Here, the issue seems to be, as I've been told by locals, not so much of
> > duplicating effort, but of knowing which messages go to HF forwarding,
> > and which go to the satellite gateway.
>
> That would be part of the HF coordinators' job; To get together with the
> various SYSOPS, work out such questions and pass on the drill he works out
> to all the HF SYSOPs on that net. Nobody has to wonder what to do, or how to
> handle things.
>
> --
>
> Charles Brabham, N5PVL
> N5PVL @ N5PVL.#NTX.TX.USA.NOAM
> http://www.texoma.net/~n5pvl
More dumb questions --- sorry:
As far as deciding on HF Forwarding or Satellite forwarding -- should
the HF Sysop have to work that hard? Can the software transmit packets
via a "shortest known path" -- then if there are no acknowledgements
resend via other routes?
BTW -- Thanks for the discussion -- I'm learning things, here.
Tony -- KF3BX
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------------------------------
Date: Wed, 22 Sep 1999 21:11:48 -0400
From: Tony Giroux <agiroux@cvn.net>
Subject: Those Wide, Open Spaces
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Cathryn Mataga wrote:
>
> Tony Giroux wrote in message <37E81A6A.E3B69A49@cvn.net>...
> > What HF frequency has the most reliability for what distance at
> >all hours of the day? When we find that answer we would know how far
> >apart HF Gateway/BBS nodes should be. Or can we have the software
> >determine the MUF for a given time period? Then we can have primary
> >and secondary frequencies for the node to use without a lot of time
> >used scanning for DX. Can we have the network house keeping routines
> >keep each node aprised of the distance or locations of the other nodes?
> >MUG/LUF stats are available all the time and normally predictable. There
> >should be an easy way to get them into the HF node software.
>
> Well, the scoop is that the super duper new generation of BBS's equiped
> with the ultra-nifty, but slightly expensive PCTII boxes are able to scan
> scan many bands and many HF frequencies. If I want to call one of these
> systems, I just need to guess at which frequency is best, usually 20m
> lately -- probably 30m or 40m when sunspots aren't so good. And, if
> conditions are good, they decode my call and answer on any number
To be continued in digest: hd_99_239M
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