Gert,
If you do draw up the circuit, could I get a copy of it as well?
Thank you, Thomas - AC7A
---- Gert Meinen <pa3aav@hetnet.nl> wrote:
> Doug,
>
> On the BPF/Front End Board of the Omni 6 (81593) you can take the signal for
> each band near connector 85.
> I 've routed this to a small home made board with 13 diodes in a matrix to
> produce bcd-code for each band.
> The four wires with the bcd-code coming off this small board are routed to
> the db-25 connector on the TX Audio Board (81597)
> where they are connected to four unused pins.
> I use the bcd-coded band signals for automatic bandfilter-, and antenna
> switching.
> Works fine here for years now, I can draw up a schematic an e-mail it to you
> if you like.
>
> 73 Gert , PA3AAV
>
>
> ----- Original Message -----
> From: "John Huffman" <hjohnc@gmail.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Friday, October 26, 2007 10:29 PM
> Subject: Re: [TenTec] Omni 6 band data on RS-232
>
>
> > Doug -
> >
> > There are RS232 commands that return the frequency of VFO A and VFO B.
> > Usually these are interpreted by software which translates the hex
> > numbers into something readable. The same type of information is
> > available on the Icom compatible port. That way you can use the RS232
> > for computer logging and the Icom port to control your switch.
> >
> > The commands are in the back of the manual.
> >
> > You will need to program a chip to send the query command, to receive
> > the hex data, to translate the hex data from frequency to band, and to
> > throw the band switch. A daunting task.
> >
> > Some computer logging/rig control programs will do most of the heavy
> > lifting if you can tolerate having the bandswitch work only when the
> > logging program is working.
> >
> > Hope that helps.
> >
> > 73 de K1ESE
> > John
> >
> > Doug wrote:
> >> I'm building a remote antenna switch (2006 Handbook, pg 19-37). I'd
> >> like to pull band data from the RS-232 port for auto band
> >> switching. The Omni 6 presents band data on pins 10 (160m), 15 (10/12m),
> >> 17
> >> (15/17m), 21 (20m), 24 (40/30m) as +10v on each of these pins on a
> >> DB-25. It was done this way originally for auto band switching with
> >> I believe the Hercules amplifier.
> >>
> >> The problem as you can see is the multiple bands on some of the pins,
> >> which makes it really hard to automate the antenna selection process
> >> when using separate antennas for each band
> >> .
> >> So here's the question, is there another way to get this info out of
> >> either RS-232 or the separate serial port connector that I can
> >> decode in the context of the antenna switch in the handbook.
> >> I think there is a way as no logging software I've run across has a
> >> problem decoding band, I'm just not enough of a tech to be able to
> >> figure it out.
> >>
> >>
> >>
> >> 73, Doug W5GA
> >>
> >>
> >>
> >>
> >> 73, Doug W5GA
> >>
> >>
> >> _______________________________________________
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> >>
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> >
>
>
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