Date: Mon, 3 Sep 2007 23:57:26 -0700
Reply-To: David Kao <dtkao0205@YAHOO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Kao <dtkao0205@YAHOO.COM>
Subject: Re: Radio
In-Reply-To: <c4e7c5f90709032331o6480d5a4sd76b2fc56bb14e45@mail.gmail.com>
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People are still making them and use them I think.
I made one when I was young. Frankly it was not fun
really. The sensitivity was too little. You hear nothing
most of the time.
David
--- neil N <musomuso@GMAIL.COM> wrote:
> Oh there's always someone who wants to "hop up" the signal.
>
> Whatever happened to "flea power" SW transcievers??
>
> Neil.
>
> On 9/3/07, Sudhir Desai <sudhir.desai@gmail.com> wrote:
> > But it's ALWAYS more fun with a 250watt 11-meter amp. >:D
> >
> > Sudhir
> >
> > On 9/4/07, David Kao <dtkao0205@yahoo.com> wrote:
> > > SSB is one of AM radio mode. CB is AM so it has SSB and so is SW. HF
> > > is radio frequencies below 30 MHz. HF band can communicate world wide
> > > because HF waves can bounce off from the sky and reach greater distance.
> > > CB is in the 27 MHz band. It was intended for short distance communication
> > > but people quickly discovered that it is more capable than that. It
> > > became a nightmare for HAM operators.
> > >
> > > I think a Beat Oscillator is for SSB receivers. SSB signal itself does
> > > not contain a carrier signal. So a SSB radio uses a beat oscillator
> > > to add a carrier signal to the SSB signal in order for the AM receiver
> > > to detect the audio signal out of it. You have to adjust it to the correct
> > > frequency for a SSB signal to be correctly detected.
> > >
> > > SSB is a very narrow band AM signal. Because its narrow band it is highly
> > > efficient in terms of watts needed to transmit for a greater distance.
> > > A regular CB can get to about 7 miles. But a SSB CB can get to 15 miles
> > > at a same power. So if you want to get a CB try to get one with SSB in it.
> > > You won't need a RF power amp to reach far. Just need to tune the antenna.
> > > It can offer lots of fun in a group camping trip.
> > >
> > > David
> > >
> > >
> > > --- neil N <musomuso@GMAIL.COM> wrote:
> > >
> > > > I thought SSB was for CB radios. Does it apply to SW signals as well?
> > > >
> > > > And is there such a thing as a "Beat Occillator" (not the exact term.
> > > > this attempted memory is from 30+ years ago) used anymore to help hear
> > > > conversations clearly?
> > > >
> > > > Neil.
> > > >
> > > >
> > > >
> > > > On 9/3/07, David Kao <dtkao0205@yahoo.com> wrote:
> > > > > Don, Grundig makes really good radios. But you need to set up some simple
> > > > > antenna in order to get the most out of it. Camping sometimes can be quite
> > > > > lonely. A good radio with some clear voice can be a best companion in a
> > > > > camping night before sleeping. Does your Grundig have SSB (single side
> > > > > band) AM functions? If it does you may be able to listen to people
> > > > > communicating worldwide on some HAM radio bands. BAJA will be a very good
> > > > > place for AM SSB reception as there is very little interference generated
> > > > > from busy cities. The radio will sound really good when the sky is quiet.
> > > > >
> > > > > Don't know if you can transmit anything out of Baja California if you have a
> > > > > HF HAM transceiver. Will Mexican government allow Americans operate a HAM
> > > > > transceiver in Baja? If you can it will be fun to communicate with some
> > > > > folks back in the states while you are out in Baja. It's fun to operate a
> > > > > radio in a camping event.
> > > > >
> > > > > Somehow I do not see any discussions among camper owners in this list about
> > > > > HAM radio stuff. In my opinion a Westy without a radio transceiver is not
> > > > > complete. At least you should have a good CB SSB transceiver in it.
> > > > >
> > > > > David
> > > > >
> > > > >
> > > > >
> > > > > --- Don Hanson <dhanson@GORGE.NET> wrote:
> > > > >
> > > > > > I have one of those little Grundig World radios that I've used constantly
> > > > > > when I camp.. Very cool, with a bunch of short wave bands as well as FM and
> > > > > > AM. When in Baja, I often rise a little before the sun to catch the last of
> > > > > > the AM reception from the USA and to listen to BBC, Radio Canada. VOA, etc.
> > > > > > on the shortwave bands..The one I have is quite compact, about the size of a
> > > > > > paperback book, so I can take it down to the shore or away from camp to not
> > > > > > disturb the sleeping SO.
> > > > > > In the desert southwest where we sometimes winter, we can mostly get just
> > > > > > AM right wing hate radio, which is quite amusing. It is fun to listen to
> > > > > > Glen Beck, Sean Hannity, or any of that ilk and then tune over to short
> > > > > > wave and listen to a 'rest of the world' news broadcast on the same
> > > > > > subject..like there are two universes or something...Very instructive to
> > > > > > listen to what other countries think about what we in the US think we are
> > > > > > doing...
> > > > > > Don Hanson
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> ____________________________________________________________________________________
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> > > >
> > > >
> > > > --
> > > > Neil Nicholson. 1981 Air Cooled Westfalia -
> > > > "Jaco" (Bustorius)
> > > >
> > > > http://web.mac.com/tubaneil
> > > >
> > > > Please send fav Vanagon/Westfalia links to me at:
> > > > musomuso1963@hotmail.com
> > > >
> > >
> > >
> > >
> > > ____________________________________________________________________________________
> > > Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user panel and lay it on
> us. http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7
> > >
> >
>
>
> --
> Neil Nicholson. 1981 Air Cooled Westfalia -
> "Jaco" (Bustorius)
>
> http://web.mac.com/tubaneil
>
> Please send fav Vanagon/Westfalia links to me at:
> musomuso1963@hotmail.com
>
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