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[TenTec] HP GPS Receiver

To: <tentec@contesting.com>
Subject: [TenTec] HP GPS Receiver
From: mark@microenh.com (Mark Erbaugh)
Date: Sat Jun 21 09:53:00 2003
Paul,

Try a null modem adapter.  For my first attempt, I just connected up the 3
wire cable that I used to control the RX340. It didn't work, but when I put
in a null modem adapter (which essentially just swaps pins 2 and 3 - as none
of the other pins are connected in my cable), it worked fine. I just need to
get my satellite antenna installed and I should be in business. I guess I do
need to build a new cable so I can hook the RX340 back up.

Mark

----- Original Message -----
From: "Paul Christensen, Esq." <w9ac@arrl.net>
To: <tentec@contesting.com>
Sent: Friday, June 20, 2003 22:06 PM
Subject: Re: [TenTec] HP GPS Receiver


> After inspecting my serial port mods to the Z3801A, it appears there are
no
> operator errors after I made the internal RS-422 to RS-232 mod.
>
> I am using a standard RS-232 DB-9 to DB-25 serial cable (e.g., same as
used
> for a dial up modem).  On AD6A's web page he suggested only connecting the
> essential pins which comprise three connections...and similar to Jim's mod
> while leaving the serial port configured for RS-422.
>
> Question: Has anyone else had trouble communicating with their Z3801A
units
> while using a standard RS-232 serial cable after making the internal
serial
> port mod?  Just to keep this on-topic, we are discussing the external
> frequency reference to the Ten Tec RX-340 receiver.  Thanks.
>
> -Paul, W9AC
>
> ----- Original Message -----
> From: "Jim Reid" <jimr.reid@verizon.net>
> To: <tentec@contesting.com>
> Sent: Friday, June 20, 2003 20:54 PM
> Subject: Re: [TenTec] HP GPS Receiver
>
>
> >
> >
> >
> > > I have my HP Z3801A installed with SatStat but I cannot seem to find
> > the
> > > references to the COMM port settings.  Can someone please come to my
> > rescue?
> >
> > Paul,
> >
> > Right at the top of the SatStat screen is an item called,
> > "Com port";  it is right next to File and Edit up there.
> > Click on that,  then click on Settings,  and there is all
> > the needed stuff.  Note that when you "minimize" the
> > main window,  another window appears called, "Control
> > and Query"  Click on the item at the top called, "Control"
> > and in that drop down click on "survey",  and the unit
> > is off to find satellites and its' own place in the world.
> >
> > Oops,  after you have the Com Port settings correct,
> > don't forget to click on the item called Open Port,  hi.
> >
> > 73,  Jim  KH7M
> >
> >
> > _______________________________________________
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> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
>
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