[Lowfer] 1750 meter frequency for Part 5?

[Paul Daulton]

One can also use two ne602 one for osc at 5.0mhz as a bal mod and 
another for mixer at 5.185mhz to get to 185khz. Then warp one to get 
right on 185.3. Or just 5.0osc driving mixer with 5.185. 

KISS is important thing. Keep it simple.... 

Quoting Bill Ashlock <ashlockw at hotmail.com>:
>
> "Some commonly available crystal that can be used with a 4060 
> oscillator/divider
> would make it a lot easier. Otherwise you get
> faced with either having to order a custom oscillator or crystal or going the
> DSS route"
>
> Not totally true Jim. All one has to do is use a common 5.188 microprocessor
> Xtal in a four component oscillator circuit (probably more stable than the
> 4060's oscillator)and then divide by 14 and 2 using two std divider chips. At
> least that's what I do. Far more important is whether or not 187.5 is a good
> area of the band for Lowfering, from a lack of interference standpoint. 
>
> Bill
>
> > From: w4jbm at bellsouth.net
> > To: k5wms at centurytel.net; lowfer at mailman.qth.net
> > Date: Thu, 29 Oct 2009 03:28:59 -0400
> > Subject: Re: [Lowfer] 1750 meter frequency for Part 5?
> >
> > > What ever watering hole we pick lets keep in mind the attraction to
> > > newcomers of a simple way to get on. 
> >
> > I have to agree with that. Some commonly available crystal that can be used
> > with a 4060 oscillator/divider would make it a lot easier. 
> Otherwise you get
> > faced with either having to order a custom oscillator or crystal or 
> going the
> > DSS route. To me that changes it from a "simple weekend project". 
> >
> > It would also make it very reasonable for someone to "kit up" the crystal,
> > 4060, and a couple of pairs of transistors. I've got a PIC programmer and
> > could program the K1EL K8 chip or the PICBeacon (that's the one I use) for
> > anyone who needed it. Or you can order a K12 very reasonably. Or 
> you can just
> > use a 555 chip and build a dasher with some unique dash length. 
> >
> > I like the idea of a watering hole, but it's just such an offbeat 
> frequency to
> > get to with off the shelf parts. I remember when I first started looking at
> > building a beacon I kept doing the math just certain that the watering hole
> > had to come from some common combination of readily available crystal and
> > common divider. 
> >
> > I should have my DSS going soon and it will be a moot point. But I do think
> > it's a "barrier to entry" for people interested in building a beacon. 
> >
> > If you look at the interest in building simple QRP rigs, there's really no
> > reason to think that there shouldn't be more interest in Part 15. 
> But there's
> > got to be some critical mass of 1) xmitters and 2) grabbers. 
> >
> > 73 de
> > Jim W4JBM
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> >
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Paul Daulton K5WMS
beacon WMS 187.492 khz qrss30/slow 24/7
Jacksonville,Ar 72076
em34wu