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Subject: PacketRadioDigest 99/156A
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Packet-Radio Digest Thu, 8 Jul 99 Volume 99 : Issue 156
Today's Topics:
Advice for TNC
HELP Running 2 or more Baycom Modems in FBB
I am new to the hobby
Internet email via ham radio? (3 msgs)
tsthwin + agw problem
Send Replies or notes for publication to: <Packet-Radio@UCSD.Edu>
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Loop-Detect: Packet-Radio:99/156
----------------------------------------------------------------------
Date: Wed, 7 Jul 1999 20:59:13 +0200
From: anders.lageras@bigfoot.com (Anders Lageras)
Subject: Advice for TNC
JPNOLL wrote:
> I am going to start using Packet and need advice.
>
> 1) What equipment and software is needed?
Some kind of modem and a pc, at least a 386 or 486.
For low speed packet, speeds up to 19k2 is the best alternative some sort
of modem.
Baycom modem for 1k2, baycoms picpar or yam for 9k6 and so on.
Or maybe a uscc card if you are going to use more than one radio port.
There are often no need for tncs at low speeds.
What packet driver you are going to use is important for the performance,
a cheap modem with a good packet driver are much better than an expensive
tnc with a bad packet driver.
Most tncs available for low speeds are so slow that they can't handle a
good packet driver.
This problem does people sometimes try to solve with using a computer
based packet driver and to use the tnc as if it where a modem (which
would have been both cheaper and better working if kiss is used) with
help of kiss or 6pack.
6pack works fine, but it is no use in buying a tnc for that use, and it
must be tnc2 or tnc3 compatible if 6pack should be available.
Kiss should never be used, it works very poorly.
If you still for some special reason want a tnc shall it be tnc2 or
tnc3 compatible.
Not some with brands specific software and so one, like kantronics
or paccoms non tnc2 compabile models.
Kantronics tncs are not especially good, rather the opposite since no
good firmwares are avliable. You have to pay for firmware upågrades etc.
The only tncs I know of that have processor power and memory enough to
handle a proper packet driver, node etc to day are tnc3 and tnc4.
It is good. But a better alternative for nodes is often the rmnc/flexnet
hardware and software.
Most packet users who seems to be "clueless newbies" when it comes to
tncs, kiss etc even if they have practised packet for many years.
Think of that if you are going to take advices from packet users you
know. They will maybe fool you because they don't know much them selves!
They maybe prefer the worst crap you can find, that is not very unusual.
You should really try to learn something about packet radio, a problem is
that most users know nothing at all about packet.
The packet driver that is the best is flexnet.
The terminal that I prefer is T4, but there are also other terminals with
support for fbbs unproto headers, compressed forwarding, offline reading
and writing etc. Like tsthost, winpack tpk and some more.
But T4 have a nice mail filtering feature that the other programs
doesn't.
A good operating system is dr-dos or pc-dos, ms-dos is the least good of
all dos operating systems and should not be used!
The ax25 support for linux have not been very good so far, but in the
future will also linux be good for packet radio I hope.
> 2) What works and what doesn't?
Kiss doesn't and should never be used.
If you are going to use a old packet driver of the kind without adaptive
parameters can't the factory settings be used, that is not good.
The best is of corse to use a good packet driver with adaptive parameters
like flexnet, it is not any good in using old crap.
Most packet users don't know a shit about how to set the parameters, that
is why misconfigured parameters, aggressive parameters etc are a major
problem often.
You should in that case find out what the parameters are and try to make
a proper configuration.
--
73 de SM7UZI Anders Lagerås
To be continued in digest: pr_99_156B
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