[PCR-1000] Re: antenna switch box 2-->1

Tue, 16 Apr 2002 16:51:55 -0400

Tom
yeah if you can point me to a brand/model that would help for sure.
Regards,
Krat
----- Original Message ----- 
From: "Tom Waters" <[email protected]>
To: <[email protected]>
Sent: Monday, 15 April, 2002 14:28
Subject: RE: [PCR-1000] Re: antenna switch box 2-->1


> Krat-
> The device I was referring to is NOT a Dual LNB that is on the dish,
> this is a small box, looks like a regular splitter box (2 in 1 out) for
> coax, but slightly bigger. This box has relay, etc. in it, and is not
> normally sold with a system, it is purchased seperately.  If you need me
> to I can go on the roof and look at mine, get numbers, etc.  Email
> direct.
> 
> Tom
> 
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Krat
> Sent: Thursday, April 11, 2002 16:46
> To: [email protected]
> Subject: Re: [PCR-1000] Re: antenna switch box 2-->1
> 
> 
> I open up the sealed lnbf, and found just a PCB with a lot of surface
> mount components.  no relay. it seems to only have 1 input for the
> antenna, and the coaxial connector I can't see how I may use that for my
> application. krat
> 
> ----- Original Message -----
> From: "krat" <[email protected]>
> To: <[email protected]>
> Sent: Thursday, April 11, 2002 1:54 PM
> Subject: Re: [PCR-1000] Re: antenna switch box 2-->1
> 
> 
> > Very good idea, I already have a spare Dish500 (2 lnbf) dish that is
> > not used.
> >
> > Thanks for all the reply.
> > krat
> > ----- Original Message -----
> > From: "Tom Waters" <[email protected]>
> > To: <[email protected]>
> > Sent: Thursday, 11 April, 2002 08:55
> > Subject: RE: [PCR-1000] Re: antenna switch box 2-->1
> >
> >
> > > There is a switch-box made for folks like myself who have an older
> > > Dish Network (18" satellite tv system) that has the older dish, not
> > > capable of getting all 500 channels.  I had to pick one up, and
> > > install a second dish on my roof, and the switching is done
> > > automatically, dependant upon the channel I select. It works
> > > identical to what is described below, as mini-dish receivers have an
> 
> > > 18v on their line. It was 30 bucks, is weatherproof, and an instant
> > > install, in this scanner scenario, you will need to build the
> > > interface on the house end to do the switching. Check your local
> > > satellite tv store/installer guy. It is an LNB Switchbox.
> > >
> > > Tom Waters
> > > KE4RXM
> > >
> > > -----Original Message-----
> > > From: [email protected]
> > > [mailto:[email protected]] On Behalf Of Ubbe
> > > Sent: Wednesday, April 10, 2002 13:53
> > > To: [email protected]
> > > Subject: [PCR-1000] Re: antenna switch box 2-->1
> > >
> > >
> > > There are plenty of coax relays available if you look at the
> > > satellite receiver business. They need relays to switch between
> > > LNB's, so you have good relays designed to work with GHz signals and
> 
> > > that are very inexpensive to buy. You have several options,
> > > controlled by applying 18v to the coax line, insert a 22KHz tone or
> > > tone pulse coded DiseqC signalling. If you get the 18v DC relay type
> 
> > > and mount that at the mast foot, you can switch to the discone when
> > > 18v are applied and use the longwire when there's no voltage in the
> > > coax. Normally scanner antennas and longwires aren't DC grounded so
> > > there shouldn't be any problems. But you can easily modify the relay
> 
> > > by opening it up and remove a bypass choke. Then there will be no
> > > voltage going out to the antennas.
> > >
> > > Inserting the voltage into the coax line can be done by using
> > > readybuilt boxes, that only consist of a choke and a capacitor, or
> > > you could open up that relay switch and remove the wires going to
> > > the relay coil and solder your own wires there and feed the relay
> > > seperatly with a 12v source. The 2GHz relay switch normally costs
> > > around $10.00
> > >
> > > Ubbe.
> > >
> > > krat wrote:
> > > >
> > > > I am looking for an electronic switch to select between 2 coaxial
> > > > line
> > >
> > > > (1 long wire, 1 discone).  I want a device that can be remotely
> > > > controled (or activated by a relay).  I need that because my
> > > > pcr-1000 is located in the basement and most of the time I'm
> > > > listening to the scanner via netmeeting on my laptop upstair.
> > > >
> > > > Anyone knows if something like that exist on the market?  but I
> > > > don't want to add a loss in the signal or an impedance drop.
> > > >
> > > > Regards,
> > > > Krat
> > > >
> > >
> > >
> > > _______________________________________________
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> > >
> > >
> > >
> > >
> >
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