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Date:         Tue, 4 Sep 2007 02:23:28 -0400
Reply-To:     Sudhir Desai <sudhir.desai@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Sudhir Desai <sudhir.desai@GMAIL.COM>
Subject:      Re: Radio
Comments: To: David Kao <dtkao0205@yahoo.com>
In-Reply-To:  <465228.12795.qm@web82702.mail.mud.yahoo.com>
Content-Type: text/plain; charset=ISO-8859-1

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 > > > > > > > > > > > > > > > > ____________________________________________________________________________________ > > > Park yourself in front of a world of choices in alternative vehicles. Visit the Yahoo! Auto > > Green Center. > > > http://autos.yahoo.com/green_center/ > > > > > > > > > -- > > 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 >


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