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Subject: PacketRadioDigest 99/38
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Packet-Radio Digest Sun, 21 Feb 99 Volume 99 : Issue 38
Today's Topics:
AEA PK232 MBX SOFTWARE LATEST..
BayPac TNC and fast serial ports
cancel <36CF23F3.1B002FEB@radix.net>
PCI bus HDLC card?
Why a TNC? (2 msgs)
Send Replies or notes for publication to: <Packet-Radio@UCSD.Edu>
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Archives of past issues of the Packet-Radio Digest are available
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Loop-Detect: Packet-Radio:99/38
----------------------------------------------------------------------
Date: Sun, 21 Feb 1999 02:19:21 GMT
From: jdouglas@timewave.com (John Douglas)
Subject: AEA PK232 MBX SOFTWARE LATEST..
In article <7amc8g$ae0$1@news7.svr.pol.co.uk>, "paul wright" <paul @
gw6ncp.freeserve.co.uk> wrote:
>hello i have an old pk232 which i have been using for some years now
>i have the pakratt dos software which i bought in 1994
>which works fine but is there something more up to date,
>
>ie windows 95/98 the unit i have does not have the pactor option
>or dsp filtering its quite an early unit..
>
>please e-mail if you can help...
>
>with thanks paul gw6ncp
>
>
Hello Paul:
Check out our home page http://www.timewave.com for full details on PK-232
repair, upgrades, and software.
John Douglas
Timewave Technology
See http://www.timewave.com for the latest DSP upgrade for the PK-232 and
PK-232MBX
>.
------------------------------
Date: 18 Feb 1999 04:54:56 GMT
From: kb7vkl@aol.com.NOSPAM (KB7VKL)
Subject: BayPac TNC and fast serial ports
>kf6ilr said:
>try booting into dos normally with outsafe mode safe mode doest load all
>the drivers for your computer so your ports may not work
Tried that, tried booting up with DOS 6.22 and it still didn't work.
So I bought an old used laptop and the BayPac works fine on it.
Case closed!
>.
------------------------------
Date: Sat, 20 Feb 1999 16:11:07 -0500
From: Bill Smith <whsmith@radix.net>
Subject: cancel <36CF23F3.1B002FEB@radix.net>
This message was cancelled from within Mozilla.
>.
------------------------------
Date: Thu, 18 Feb 1999 03:17:18 -0600
From: "Charles Brabham" <n5pvl@texoma.net>
Subject: PCI bus HDLC card?
Has anyone heard of an HDLC card (like DRSI cards) for PCI bus?
73 DE Charles Brabham,
N5PVL @ N5PVL.#NTX.TX.USA.NOAM
http://www.texoma.net/~n5pvl
>.
------------------------------
Date: 20 Feb 99 15:38:09 GMT
From: emayler@juno.com (Eugene R. Mayler)
Subject: Why a TNC?
Hi Chuck,
>My question is do I really need a TNC? It appears to me that
>all the TNC does as make the computer act as a dumb terminal. It would
seem
>that the whole thing can be done with software and a xcvr. I'm probably
wrong
>but had to ask.
You're almost correct. You do need a modem which is an integral part of
a TNC. Baycom makes makes modems that plug into your serial or parallel
port. The rest of the TNC functions are done in software. You can also
use a sound card to act as a modem with an appropriate software driver.
Flexnet uses this approach. There is also a sound card driver that is
used with Linux and its AX25 software.
The easiest way for most people to get on the air is to just buy a TNC,
but if you are computer literate and don't mind some frustrations along
the way, the approaches that I have described are a cheaper answer.
73,
Gene Mayler - K8EE
..
Internet: emayler@juno.com or emayler@stratos.net
AmPRNet: k8ee@k8ee.ampr.org
PBBS: K8EE@K8EE.#NEOH.OH.USA.NA
___________________________________________________________________
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>.
------------------------------
Date: Sat, 20 Feb 1999 16:06:59 -0500
From: Bill Smith <whsmith@radix.net>
Subject: Why a TNC?
SV - I too am new to ham radio. In fact I just took the exams this
morning and became a 'Technician' today. I have a lot of experience in
LAN/WAN networks and now want to get a handle on RF networks, so I've
been looking at the literature on packet radio real close. OK, now to
get to the question you asked, I'll give you a squirt from my limited
experience. I haven't seen a TNC yet, so be kind.
First, it will depend on the TNC and software selected, as to how many
'functions' it and the accompanying workstation software accommodate.
The one function that you MUST have in the TNC itself is the 'modem'.
This function will convert 'analog' radio and 'digital' computer signals
between your radio and the computer. RTTY uses only this function and
terminal emulation software in your computer. A TNC is itself a
programmable device and you will be sending it commands to activate
available modes and make necessary settings. The flexibility of both the
device and the the software that runs on your workstation varies in
capabilities and costs. I am far from an expert, remember. Auto-sensing
data rates, efficiently handling the data stream, and KISS are examples
of hardware features (I think). Various terminal modes capability such
as RTTY, AX25, AMTOR, TCPIP, etc. are workstation programs. Generically
speaking, TNC2 hardware is a standard.(I forget where I saw it but at
least one manufacturer was working on a 'software" implementation that
would take care of everything except the modem, so your idea isn't far
off.) TNC2 operations are discussed in an article on Packet Radio in
the ARRL Operations Manual and if you can get out on the Web you'll find
a site on Packet Radio with lots of info -try
http:\\www.tapr.org/tapr/html/pktf.html
Bill Smith
whsmith@radix.net
_*_*_*_*_*_*_*_*_*_*_*_*_*_*
SV Windigo wrote:
>
> I'm an experieced computer type and a long time Ham. However, I am new to
> digetal radio. My question is do I really need a TNC? It appears to me
that
> all the TNC does as make the computer act as a dumb terminal. It would
seem
> that the whole thing can be done with software and a xcvr. I'm probably
wrong
> but had to ask.
>
> 73
> Chuck
>.
------------------------------
End of Packet-Radio Digest V99 #38
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