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PA2AGA > HDDIG 05.12.99 17:05l 236 Lines 6624 Bytes #-9661 (0) @ EU
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From: pa2aga
To: hd_broadcast@pa2aga
Subject: HamDigitalDigest 99/306B
X-BBS-Msg-Type: B
> >Pactor
> >> channel too, so you'd be able to do Packet and Pactor at the same time.
> >>
> >> But WA8DED doesn't know the difference in radio ports. The way this is
> >> accomplished, is that the SCS appends a 1: or 2: to the first two bytes
> of
> >> the data packet, and you have to parse those, to tell it which window
to
> >go
> >> to. All WA8DED knows, is that a host channel got a packet, and it
tells
> >> which channel it's on.
> >>
> >> And you have to leave WA8DED host mode to use the other modes i.e. Term
5
> >> (which is what XPWin uses).
> >>
> >> I've mentioned to Peter at SCS that it might be a good idea to allow
the
> >> other modes work through the packet channel. For sure, it would allow
> >other
> >> modes than Pactor to allow simultaneous dual port session, and not
> having
> >> to deal with two types of HOST interfaces.
> >>
> >> You're probably aware of the PTC-Term program we're working on. It will
> >> support WA8DED HOST in the configuration above, and all that remains
> >> outstanding for us to do, is to add the TERM 5 interface for the other
HF
> >> modes.
> >>
> >>
> >> --
> >> Rick Ruhl
> >> President, Creative Services Software
> >> http://www.cssincorp.com
> >>
> >> Rob wrote in message ...
> >> >I am looking for a good packet terminal program for my SCS PTC II
which
> >> >supports the WA8DED host mode. The SCS PTC II has two packet ports -
> one
> >> >for 1200 baud and one for 9600 baud. I would like it to run under
> >windows
> >> >98.
> >> >
> >> >Unfortunately most the programs for the SCS PTC just handle the HF
modes
> >> not
> >> >Packet.
> >> >
> >> >Will WinPak work?? There is any consensus out there on what is the
best
> >> >windows packet terminal program that supports WA8DED host mode (and
> >> >multiple ports)??
> >> >
> >> >73's
> >> >Rob
> >> >
> >> >
> >>
> >>
> >
> >
>
>
>.
------------------------------
Date: Sun, 28 Nov 1999 15:40:33 +0100
From: "boboevale" <boboevale@dada.it>
Subject: Clover and Pactor II
I have a kam plus. I' m interested in clover and pactor II modes. Which
modem do I need? Thanks .
73 de IZ4BFC.
>.
------------------------------
Date: Sun, 28 Nov 1999 07:55:46 -0800
From: Patricia Gibbons <wa6ube@ix.netcom.com>
Subject: Clover and Pactor II
boboevale wrote:
>
> I have a kam plus. I' m interested in clover and pactor II modes. Which
> modem do I need? Thanks .
> 73 de IZ4BFC.
For Pactor II, it would be the PTC-II or PTC-II(e)
made by SCS.
See: <http://www.scs-ptc.com/>
I believe that plug-in, or external Clover boards
are available from HAL..
Trish
--
Patricia E. Gibbons
Acting Chief Communications Technician
City of San Jose - ITD/communications
<http://www.qrz.com/callsign.html?callsign=wa6ube>
.......................................
My Public Key is available at:
<http://pgp5.ai.mit.edu:11371/pks/lookup?op=vindex&search=0xEDECB44F>
Key ID: 0xEDECB44F
This key is RSA, NOT Diffie-Hellman !!
Medco3625 163 166 S.E.T. Team USCODE ufo SAS CLOVERLEAF
1080H ERSTER FAMILIE SONDERKOMMANDOC Offizier
>.
------------------------------
Date: Sun, 28 Nov 1999 12:56:24 -0500
From: "Bob Lewis" <aa4pb@erols.com>
Subject: Clover and Pactor II
Check out http://www.scs-ptc.com for Pactor II modems. Check out
http://www.halcomm.com/ for Clover modems. I don't believe there are
any other mfgs. of modems for these two modes.
boboevale <boboevale@dada.it> wrote in message
news:38413f33.0@news.dada.it...
> I have a kam plus. I' m interested in clover and pactor II modes.
Which
> modem do I need? Thanks .
> 73 de IZ4BFC.
>
>
>.
------------------------------
Date: Sun, 28 Nov 1999 14:42:44 -0600
From: W6RCecilA <Cecil.A.Moore@IEEE.org>
Subject: Clover and Pactor II
boboevale wrote:
>
> I have a kam plus. I' m interested in clover and pactor II modes. Which
> modem do I need? Thanks .
> 73 de IZ4BFC.
Both are proprietary modes. HAL Communications P38 or DXP38 for
Clover and SCS PTCII or IIe for Pactor II.
--
73, Cecil, W6RCA http://www.mindspring.com/~w6rca
>.
------------------------------
Date: Mon, 22 Nov 1999 11:39:15 -0500
From: Robert Cook <captcook@mindspring.com>
Subject: Computer RF noise in HF SSB
All,
Perhaps someone will have a suggestion re a noise problem I have with my
Toshiba Computer used in an HF E-mail configuration. The computer is a
Toshiba Tecra 500 CDT computer. I have begun using it in conjunction
with an Icom 728. Other system components are a dipole antenna and a
Kantronics Kam Plus TNC. .
The problem is that the computer puts out a lot of RF noise, significant
enough to interfere with reception, at various freqs primarily in 7 and
8 mhz bands, ie from about 6.0 mhz through to about 9.0 mhz. I have done
some preliminary testing and have tried some fixes but so far still have
problem. I have just posted an inquiry with one of the Toshiba
Authorized Service Centers and am awaiting a reply.
There is a law which this computer is supposed to comply with which says
that a device may not cause such interference. It is FCC Part 15. The
FCC's Rule 15 compliance ID number is CJ6UK333. The decal on the bottom
of the unit references the law and
the FCC ID number.
1. Noise seems to be generated by CPU or internal power supply, ???,
(80%?), but LCD screen adds (20%?).
2. Freqs of major interferrence seem to be spaced at roughly 110 khz, ie
7070, 7180, 7290, 7400, 7510, etc.
3. Noise is stopped if computer is turned off or put in "suspend" mode
and powered down
4. Noise is significantly reduced, (perhaps acceptable), at freqs lower
than 6.0 mhz, and higher than 9 mhz
5. Have tried grounding computer chassis to TNC and to Icom 728. This
helps reduce noise by 5-10%
6. Have tried ferrite chokes / cable clamps on data caple and computer
110 vac cord. Effect is negligible
7. Have tried unplugging 110 vac power cord. Effect is dramatic. Much
reduced noise, 80-90%.
8. I have seen somewhere where someone suggested trying rf bypass caps
to bleed off RF. Where ?????
9. I have not tried but heard than using a 500 hz filter may help with
noise or SNR, ?????
Thanks for any suggestions, a reference elsewhere, or for forwarding my
request for help to somone experience in the area.
To be continued in digest: hd_99_306C
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